Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
003
FNUS55 KRIW 201842
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
1242 PM MDT Thu Jun 20 2024
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Dry conditions through this evening with a small chance (20-30%)
of storm development over zone 416 after midnight through the
early Friday morning. Another chance for thunderstorm development
(15-25%) after noon Friday for all zones pushing eastward by 4PM.
Otherwise, relatively light west to southwesterly winds 5 to 15
mph outside of any outflow with minimum relative humidity values
above 20 to 30 percent. Warming trend this weekend and dry
conditions heading into next week as elevated fire weather
concerns return Sunday onward.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Dry conditions through this evening with a small chance (20-30%)
of storm development over zone 288 after midnight through the
early Friday morning pushing across all other zones during that
time. Another round of thunderstorms (70-80% coverage) after 2PM
Friday for all zones pushing northeastward and eastward through
6PM before diminishing by sunset. Otherwise, relatively light
west to southwesterly winds 10 to 20 mph outside of any outflow
with minimum relative humidity values above 20 to 30 percent.
Warming trend this weekend and dry conditions heading into next
week as elevated fire weather concerns return Sunday onward.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Dry conditions through this evening with a small chance (20-30%)
of storms after midnight through the early Friday morning for
zones 280-300. Another round of thunderstorms (70-80% coverage)
after 2PM Friday for mainly the same zones pushing northeastward
and eastward through 6PM before diminishing by sunset. Zones
277-279 will remain relatively dry with less than 15% chance of
storms between noon and 2PM. Otherwise, flooding concerns for
zone 281 with up to an inch possible. Otherwise, relatively light
west to southwesterly winds 10 to 20 mph outside of any outflow
with minimum relative humidity values above 20 to 30 percent.
Warming trend this weekend and dry conditions heading into next
week as elevated fire weather concerns return Sunday onward.
...Thunderstorms imply strong gusty and erratic winds...
...Haines Index is high level Haines both day and night...
WYZ280-212045-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms in the
evening. Scattered showers and thunderstorms
after midnight. Isolated showers and
thunderstorms late in the night. Chance of
precipitation 50 percent.
Min temperature.....54-59.
24 hr trend......10 degrees warmer.
Max humidity........81-87 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph. Gusts up to 20
mph until 0300.
Ridge top winds.....Northeast 15 to 20 mph.
LAL.................3 until 2400, then 4 until 0300, then 3.
Chc of wetting rain.5 percent.
Transport winds.....East 15 to 20 mph.
Mixing Height.......3000-4800 ft agl until 2000, then 600-2200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........4.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous rain showers and scattered
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Max temperature.....76-81.
24 hr trend......3 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....East around 10 mph until 0900, then southwest
until 1400, then west 15 to 20 mph.
LAL.................1 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 40 percent.
Transport winds.....East around 10 mph until 0800, then southwest
until 1300, then around 20 mph.
Mixing Height.......1000-3000 ft agl until 1100, then 3800-5800 ft
agl until 1300, then 6000-8000 ft agl until
1600, then 4000-4800 ft agl until 1700, then
2200-2800 ft agl.
Smoke dispersal.....Good until 1700, then poor to fair.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming mostly clear.
Isolated showers and thunderstorms in the
evening. Chance of precipitation 20 percent.
Min temperature.....53-58.
24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2100, then southwest 10
to 15 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Southwest 15 to 20 mph until 2200, then around
10 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....83-88.
24 hr trend......7 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......18 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1200, then west
around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1200, then around 25
mph.
Mixing Height.......400-2200 ft agl until 1000. 11000-12600 ft agl
after 1500.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 10 mph.
.SUNDAY THROUGH TUESDAY...Mostly clear. Lows 56 to 61. Highs
90 to 95. North winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s.
$$
WYZ283-212045-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Min temperature.....52-57.
24 hr trend......7 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast 10 to 15 mph until 0500, then north.
LAL.................2 until 2100, then 3.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......5200-7200 ft agl until 2000, then 600-2400 ft
agl.
Smoke dispersal.....Good until 2000, then poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms early in the
afternoon. Chance of precipitation 50 percent.
Max temperature.....74-79.
24 hr trend......2 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph and gusty.
Ridge top winds.....North around 10 mph until 0700, then south
until 0800, then southeast until 1100, then
south until 1200, then west.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....Northeast around 10 mph until 0900, then south
until 1200, then west.
Mixing Height.......600-2600 ft agl until 1000. 4200-6200 ft agl
after 1400.
Smoke dispersal.....Fair to good.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......2 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......2 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 15 mph until 2000, then
southeast until 2300, then southwest.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph until 0200, then southwest.
Mixing Height.......2400-4400 ft agl until 2000, then 400-1600 ft
agl.
Smoke dispersal.....Poor.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....83-88.
24 hr trend......10 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1600, then west
around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Mixing Height.......400-2400 ft agl until 1000. 11600-13200 ft agl
after 1400.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1400.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the upper 50s. West winds around
10 mph.
.SUNDAY...Mostly clear. Lows around 60. Highs in the mid 90s.
Southwest winds around 10 mph.
.MONDAY...Clear. Lows in the upper 50s. Highs in the lower 90s.
West winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows around 60. Highs
in the lower 90s.
$$
WYZ285-212045-
South Bighorn Mountains-
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Chance of precipitation 50
percent.
Min temperature.....53-58.
24 hr trend......7 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds 10 to 15 mph and gusty.
Ridge top winds.....East 15 to 20 mph.
LAL.................3.
Chc of wetting rain.Zero percent until 2400, then 15 percent.
Transport winds.....East 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 2000, then 200-1600 ft
agl.
Smoke dispersal.....Poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the morning. Scattered
showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Max temperature.....68-73.
24 hr trend......1 degree warmer.
Min humidity........40-46 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph until 1500, then west.
Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 0900. West after
1400.
LAL.................2 until 0900, then 1 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 40 percent.
Transport winds.....Southeast around 10 mph until 0900, then
southwest until 1400, then west 15 to 20 mph.
Mixing Height.......200-2000 ft agl until 1000, then 2200-4000 ft
agl until 1300, then 4400-6400 ft agl until
1700, then 2600-3000 ft agl.
Smoke dispersal.....Fair to good.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the evening. Chance of
precipitation 40 percent.
Min temperature.....50-55.
24 hr trend......1 degree cooler.
Max humidity........76-82 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2100, then east until
2300, then southwest.
LAL.................3 until 2400, then 1.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 20 mph until 1900, then south until
2200, then southwest.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Sunny.
Max temperature.....76-81.
24 hr trend......7 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......21 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts
until 1500, then west with higher gusts.
Ridge top winds.....Southwest 15 to 20 mph until 1700, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1200, then west 20
to 25 mph.
Mixing Height.......200-2000 ft agl until 1000. 8800-10800 ft agl
after 1500.
Smoke dispersal.....Poor until 1100, then good until 1200, then
excellent until 1700, then very good to
excellent.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the mid 50s. Northeast winds
around 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Southwest winds around 15 mph.
.MONDAY...Clear. Lows in the mid 50s. Highs in the mid 80s. West
winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. North winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ281-212045-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and thunderstorms. Chance of
precipitation 40 percent.
Min temperature.....53-58.
24 hr trend......8 degrees warmer.
Max humidity........84-90 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East 10 to 15 mph.
LAL.................3.
Chc of wetting rain.7 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......3800-5400 ft agl until 2000, then 600-2200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers and thunderstorms early in the
morning. Scattered showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Max temperature.....72-77.
24 hr trend......3 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph until 1500, then northwest. Gusts
up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph until 1600, then
northwest.
LAL.................3 until 0900, then 1 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 40 percent.
Transport winds.....South 10 to 15 mph until 1500, then northwest
until 1700, then east.
Mixing Height.......600-2200 ft agl until 1000, then 3200-5200 ft
agl.
Smoke dispersal.....Fair to good.
Haines Index........3.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the evening. Chance of
precipitation 50 percent.
Min temperature.....54-59.
24 hr trend......1 degree cooler.
Max humidity........85-91 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North 15 to 20 mph until 2000, then southeast
until 2200, then west until 0500, then west
around 10 mph.
LAL.................4 until 2100, then 3 until 2400, then 1.
Chc of wetting rain.30 percent until 2400, then zero percent.
Transport winds.....Southeast 15 to 20 mph until 2100, then
southwest 10 to 15 mph until 0200, then west.
Mixing Height.......600-2600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....76-81.
24 hr trend......5 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph with higher gusts.
Ridge top winds.....West around 10 mph until 0900, then north until
1000, then east until 1100, then southeast
until 1400, then north.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1500, then northwest 15
to 20 mph.
Mixing Height.......400-2000 ft agl until 1000, then 5800-7800 ft
agl.
Smoke dispersal.....Good to very good.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Lows in the lower 60s. Highs in
the mid 90s. Southwest winds around 10 mph.
.MONDAY...Clear. Lows in the upper 50s. Highs in the lower 90s.
Northwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Northeast winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs around
90.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s.
$$
WYZ282-212045-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Scattered
showers and thunderstorms after midnight, then
isolated showers and thunderstorms late in the
night. Chance of precipitation 40 percent.
Min temperature.....53-58.
24 hr trend......9 degrees warmer.
Max humidity........77-83 percent.
24 hr trend......24 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2400, then
northwest until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 15 mph until 0100, then
northwest until 0300, then southwest.
LAL.................2 until 2400, then 3.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast 10 to 15 mph until 0300, then west
until 0500, then north.
Mixing Height.......5200-6800 ft agl until 2000, then 400-1800 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the morning. Isolated
showers and thunderstorms late in the morning,
then scattered showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Max temperature.....70-75.
24 hr trend......2 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph.
Ridge top winds.....Southwest around 10 mph until 0900, then
southeast until 1300, then northwest until
1400, then north.
LAL.................2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....West around 10 mph until 0800, then south until
1300, then west.
Mixing Height.......400-2200 ft agl until 1000, then 3000-5000 ft
agl until 1400, then 4000-6000 ft agl until
1700, then 3200-3600 ft agl.
Smoke dispersal.....Fair to good.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......Unchanged.
Max humidity........79-85 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast 10 to 15 mph until 2200, then south
until 0500, then south around 10 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2000-3400 ft agl until 2000, then 400-1200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....78-83.
24 hr trend......11 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph and gusty.
Ridge top winds.....Southwest around 10 mph until 1100, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1400, then west 15
to 20 mph.
Mixing Height.......400-2000 ft agl until 1000. 10200-12000 ft agl
after 1500.
Smoke dispersal.....Fair to good until 1300. Excellent after 1500.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the upper 50s. Winds generally
less than 10 mph.
.SUNDAY...Warmer. Mostly clear. Lows in the lower 60s. Highs in
the mid 90s. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 50s. Highs
90 to 95. North winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 90s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 90s.
$$
WYZ275-212045-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the night. Chance of
precipitation 20 percent.
Min temperature.....52-57.
24 hr trend......9 degrees warmer.
Max humidity........74-80 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1 until 0300, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......5200-7200 ft agl until 2000. 400-800 ft agl
after 2100.
Smoke dispersal.....Fair to good until 2100, then poor.
Haines Index........4.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the morning. Isolated
showers and thunderstorms late in the morning,
then scattered showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Max temperature.....69-74.
24 hr trend......2 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph.
Ridge top winds.....Northwest around 10 mph until 0800, then south
until 1700, then northeast.
LAL.................2 until 0900, then 3 until 1200, then 4.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 0800, then south
until 1600, then southwest.
Mixing Height.......400-2000 ft agl until 1000. 4400-6200 ft agl
after 1300.
Smoke dispersal.....Fair to good.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........75-81 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then west
until 2400, then downslope/downvalley 4-7 mph.
Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2000, then west until
2300, then south until 2400, then east until
0200, then northwest.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2000, then south until
0500, then west.
Mixing Height.......2600-4600 ft agl until 2000, then 400-1800 ft
agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....76-81.
24 hr trend......8 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph with higher gusts.
Ridge top winds.....Southwest around 10 mph until 0800, then
northwest until 1100, then southeast until
1400, then north.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 0800, then
southwest until 1600, then northwest.
Mixing Height.......400-2200 ft agl until 1000. 7800-9800 ft agl
after 1500.
Smoke dispersal.....Good until 1500, then very good.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the upper 50s. Winds generally
less than 10 mph.
.SUNDAY...Warmer. Mostly clear. Lows in the lower 60s. Highs in
the mid 90s. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Clear. Lows in the upper 50s. Highs
89 to 94. North winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower
60s. Highs in the lower 90s.
$$
WYZ276-212045-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the night. Chance of
precipitation 20 percent.
Min temperature.....49-54.
24 hr trend......9 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
15 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....North around 15 mph until 2300, then west.
LAL.................1 until 0300, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph until 0200, then west.
Mixing Height.......5000-7000 ft agl until 2000. 600-1000 ft agl
after 2100.
Smoke dispersal.....Good until 2000, then poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated rain showers early in
the morning. Isolated thunderstorms late in the
morning, then scattered showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....70-75.
24 hr trend......Unchanged.
Min humidity........32-38 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph until 1500, then
northeast.
Ridge top winds.....West around 10 mph until 0800, then southeast
until 1200, then around 15 mph until 1500, then
northeast.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....West around 10 mph until 0800, then south until
1600, then northwest.
Mixing Height.......600-2200 ft agl until 1000. 5400-7400 ft agl
after 1300.
Smoke dispersal.....Good.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......1 degree warmer.
Max humidity........66-72 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 15 mph until 2000, then west.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 2400, then west.
Mixing Height.......4600-6000 ft agl until 1900. 600-1000 ft agl
after 2100.
Smoke dispersal.....Poor.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....79-84.
24 hr trend......9 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
10 to 15 mph with higher gusts.
Ridge top winds.....West around 10 mph until 0800, then north until
1700, then northwest around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1200, then 20 to 25
mph.
Mixing Height.......800-2800 ft agl until 1000. 9200-11200 ft agl
after 1500.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1500.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows 57 to 62. Highs in
the lower 90s. Southwest winds 10 to 15 mph.
.MONDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
West winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ287-212045-
Owl Creek Mountains-
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Scattered showers
and thunderstorms after midnight. Isolated
showers and thunderstorms after midnight.
Chance of precipitation 40 percent.
Min temperature.....52-57.
24 hr trend......7 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
northwest until 0300, then downslope/downvalley
4-7 mph. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2400. Southwest after
0300.
LAL.................1 until 2400, then 3 until 0300, then 2.
Chc of wetting rain.Zero percent until 2400, then 10 percent.
Transport winds.....North around 15 mph until 0200. West after
0300.
Mixing Height.......4400-6400 ft agl until 2000, then 200-1600 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
Haines Index........3.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms late in
the morning. Scattered rain showers late in the
morning. Scattered thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........37-43 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then northwest.
Ridge top winds.....South 10 to 15 mph until 1500, then northwest.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 35 percent.
Transport winds.....South 10 to 15 mph until 1500, then west until
1700, then south.
Mixing Height.......200-2200 ft agl until 1000, then 2400-4400 ft
agl until 1300, then 4400-6400 ft agl until
1600, then 3600-4400 ft agl.
Smoke dispersal.....Fair to good.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......Unchanged.
Max humidity........69-75 percent.
24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph until 2300, then west.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0200, then west.
Mixing Height.......1400-3400 ft agl until 2000, then 200-1200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....77-82.
24 hr trend......11 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......20 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with higher gusts until
1500, then northwest with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph until 1400, then west
around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1100, then west 20
to 25 mph.
Mixing Height.......400-2400 ft agl until 1000. 10000-12000 ft agl
after 1500.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1200.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the upper 50s. West winds around
10 mph.
.SUNDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s. Southwest winds around 15 mph.
.MONDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
West winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ286-212045-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the evening. Isolated rain showers early in the
evening. Isolated showers and thunderstorms
late in the night. Chance of precipitation 20
percent.
Min temperature.....45-50.
24 hr trend......10 degrees warmer.
Max humidity........74-80 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast 10 to 15 mph.
LAL.................2 until 2100, then 1 until 0300, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph until 2000, then east
until 0300, then southeast.
Mixing Height.......4000-6000 ft agl until 2000, then 400-2200 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
Haines Index........4.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
morning. Scattered rain showers through the
day. Scattered thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Max temperature.....64-69.
24 hr trend......2 degrees warmer.
Min humidity........34-40 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1300, then west.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1000, then west 15 to
20 mph.
Mixing Height.......600-2600 ft agl until 1000. 7400-9400 ft agl
after 1100.
Smoke dispersal.....Poor to fair until 1100, then very good to
excellent.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........60-66 percent.
24 hr trend......11 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West 10 to 15 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2200, then 10 to 15
mph.
Mixing Height.......6600-8600 ft agl until 1900. 400-2200 ft agl
after 2000.
Smoke dispersal.....Very good until 1900. Poor after 2000.
Haines Index........5.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....69-74.
24 hr trend......6 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......14 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 1500, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....West 15 to 20 mph until 1400, then 20 to 25
mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1000, then 25 to 30
mph.
Mixing Height.......400-2200 ft agl until 0800. 8800-10800 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH TUESDAY...Clear. Lows 49 to 54. Highs 74 to 79.
West winds 10 to 15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 72 to 77.
$$
WYZ140-212045-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....44-49.
24 hr trend......14 degrees warmer.
Max humidity........77-83 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....West around 10 mph until 2100, then east.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 2100, then northeast
until 2300, then southeast.
Mixing Height.......8800-9800 ft agl until 1900. 400-1600 ft agl
after 2000.
Smoke dispersal.....Very good until 1900. Poor after 2000.
Haines Index........6.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated rain showers in the
morning. Scattered showers and thunderstorms in
the afternoon. Chance of precipitation 40
percent.
Max temperature.....67-72.
24 hr trend......1 degree warmer.
Min humidity........28-34 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph and gusty.
Ridge top winds.....Southeast around 10 mph until 0900. West after
1400.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph until 1000, then southwest
15 to 20 mph.
Mixing Height.......400-2000 ft agl until 1000. 9000-11000 ft agl
after 1100.
Smoke dispersal.....Poor to fair until 1100, then excellent.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....43-48.
24 hr trend......Unchanged.
Max humidity........73-79 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph until 2300, then
southeast.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2100, then around 10
mph until 0200, then south.
Mixing Height.......8400-9600 ft agl until 1900. 400-1600 ft agl
after 2000.
Smoke dispersal.....Very good to excellent until 1900. Poor after
2000.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....72-77.
24 hr trend......5 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 1000, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1100, then west 20
to 25 mph.
Mixing Height.......600-2600 ft agl until 1000. 8600-10600 ft agl
after 1200.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the upper 70s. Southwest winds around 10 mph.
.MONDAY...Clear. Lows in the mid 40s. Highs in the mid 70s.
Southwest winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ415-212045-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated rain showers late in the evening.
Chance of showers 20 percent.
Min temperature.....43-48.
24 hr trend......11 degrees warmer.
Max humidity........70-76 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
east around 10 mph.
Ridge top winds.....Northwest around 10 mph until 2000. East after
2200.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2000, then north until
2200, then east.
Mixing Height.......6000-8000 ft agl until 1900. 400-1200 ft agl
after 2000.
Smoke dispersal.....Fair to good until 2000, then poor.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated rain showers through
the day. Isolated thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Max temperature.....67-72.
24 hr trend......Unchanged.
Min humidity........31-37 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1000. West after
1300.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph until 1000, then west 15
to 20 mph.
Mixing Height.......400-2200 ft agl until 1000. 7800-9200 ft agl
after 1300.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....43-48.
24 hr trend......Unchanged.
Max humidity........64-70 percent.
24 hr trend......7 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph until 2300, then
southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2000, then southwest
around 10 mph until 2400, then south.
Mixing Height.......7000-8800 ft agl until 1900. 400-1600 ft agl
after 2000.
Smoke dispersal.....Very good until 1900. Poor after 2000.
Haines Index........5.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....71-76.
24 hr trend......5 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 0900, then southwest
until 1600, then west 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1000, then west 20
to 25 mph.
Mixing Height.......800-2800 ft agl until 1000. 9000-10600 ft agl
after 1200.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH TUESDAY...Clear. Lows 47 to 52. Highs 74 to 79.
Southwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows around 50. Highs in the mid 70s.
.THURSDAY...Partly cloudy. Slight chance of showers in the
morning, then slight chance of showers and thunderstorms in the
afternoon. Highs in the lower 70s.
$$
WYZ416-212045-
West Wind River Mountains/East Zone Bridger Teton NF-
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered rain showers after
midnight. Isolated thunderstorms after
midnight. Isolated rain showers after midnight.
Chance of precipitation 40 percent.
Min temperature.....45-50.
24 hr trend......8 degrees warmer.
Max humidity........66-72 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
east around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2000, then east until
0500, then around 10 mph.
LAL.................1 until 2400, then 2 until 0300, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 2000, then east
until 2300, then 15 to 20 mph until 0400, then
southeast around 10 mph.
Mixing Height.......8000-9600 ft agl until 1900. 400-1400 ft agl
after 2000.
Smoke dispersal.....Very good until 1900. Poor after 2000.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms in the afternoon,
then isolated showers and thunderstorms late in
the afternoon. Chance of precipitation 50
percent.
Max temperature.....62-67.
24 hr trend......2 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 0900. West after
1500.
LAL.................1 until 0900, then 2 until 1200, then 4 until
1500, then 3.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....South around 10 mph until 1000, then southwest
15 to 20 mph until 1600, then west.
Mixing Height.......600-2600 ft agl until 1000. 6600-8400 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1200, then very good.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....43-48.
24 hr trend......2 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph until 2400, then north until
0200, then southeast until 0500, then
southwest.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2100, then southwest
around 10 mph.
Mixing Height.......5800-7000 ft agl until 1900. 400-1400 ft agl
after 2000.
Smoke dispersal.....Good to very good until 1900, then poor.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....67-72.
24 hr trend......7 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southeast around 10 mph until 0800, then
southwest until 1200, then west around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1000, then west 20
to 25 mph.
Mixing Height.......600-2600 ft agl until 0900. 8400-10200 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1000. Excellent after 1200.
Haines Index........4.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the upper 40s. Winds generally
less than 10 mph.
.SUNDAY THROUGH TUESDAY...Mostly clear. Lows in the upper 40s.
Highs 72 to 77. West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs 69 to 74.
$$
WYZ288-212045-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers and thunderstorms in the
evening. Scattered showers and thunderstorms
after midnight, then isolated showers and
thunderstorms after midnight. Chance of
precipitation 50 percent.
Min temperature.....44-49.
24 hr trend......6 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......20 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 15 mph until 0200, then west until
0500, then southwest.
LAL.................2 until 2100, then 3 until 0300, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1900, then east.
Mixing Height.......5400-7400 ft agl until 1900. 400-1400 ft agl
after 2000.
Smoke dispersal.....Fair to good until 2000, then poor.
Haines Index........4.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Max temperature.....64-69.
24 hr trend......1 degree cooler.
Min humidity........30-36 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph until 1500, then west 15
to 20 mph.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....South 10 to 15 mph until 1100, then southwest
around 20 mph.
Mixing Height.......400-2400 ft agl until 1000. 6200-8200 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1200, then very good.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........62-68 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West 15 to 20 mph until 2200, then southwest 10
to 15 mph.
LAL.................3 until 2100, then 2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2200, then 10 to 15
mph.
Mixing Height.......5000-6600 ft agl until 1900. 400-1600 ft agl
after 2000.
Smoke dispersal.....Good until 2000, then poor.
Haines Index........5.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....69-74.
24 hr trend......6 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......12 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 1200, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....West 15 to 20 mph until 1300, then 20 to 25
mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100, then 25 to 30
mph.
Mixing Height.......400-2000 ft agl until 0800. 8600-10600 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows in the lower 50s. West winds around
10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. West winds around 15 mph.
.MONDAY...Clear. Lows in the lower 50s. Highs in the upper 70s.
West winds around 15 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. West winds around 15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 74 to 79.
$$
WYZ414-212045-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....45-50.
24 hr trend......9 degrees warmer.
Max humidity........75-81 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph.
Ridge top winds.....Northwest 10 to 15 mph until 2100, then
northeast until 2300, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 2000, then north
until 2200, then northeast until 0100, then
southeast.
Mixing Height.......8000-8800 ft agl until 1900. 400-1200 ft agl
after 2000.
Smoke dispersal.....Good until 2000, then poor.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated rain showers early in
the morning. Isolated thunderstorms in the
afternoon. Chance of precipitation 20 percent.
Max temperature.....66-71.
24 hr trend......Unchanged.
Min humidity........32-38 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1100, then west.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1000, then
southwest 15 to 20 mph until 1600, then west.
Mixing Height.......400-2200 ft agl until 1000. 8400-9800 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....44-49.
24 hr trend......Unchanged.
Max humidity........71-77 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West 10 to 15 mph until 2400, then south.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2100, then around 10
mph until 2400, then southwest.
Mixing Height.......6600-7600 ft agl until 1900. 400-1400 ft agl
after 2000.
Smoke dispersal.....Good to very good until 1900, then poor.
Haines Index........5.
.SATURDAY...
Sky/weather.........Sunny.
Max temperature.....72-77.
24 hr trend......5 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....South around 10 mph until 1000, then west 15 to
20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1100, then west 20
to 25 mph.
Mixing Height.......1000-3000 ft agl until 1000. 9200-11000 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH MONDAY...Clear. Lows in the lower 50s. Highs
76 to 81. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 74 to 79.
$$
WYZ278-212045-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms after midnight. Chance of
precipitation 20 percent.
Min temperature.....46-51.
24 hr trend......7 degrees warmer.
Max humidity........70-76 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
northeast. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph until 2100, then northeast
until 0200, then northeast around 15 mph.
LAL.................1 until 2400, then 2 until 0300, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 2000, then
northwest until 2100, then northeast until
2400, then east until 0500, then around 10 mph.
Mixing Height.......11200-12000 ft agl until 1900. 600-800 ft agl
after 2100.
Smoke dispersal.....Very good until 2000, then poor.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the morning. Scattered showers
and thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....67-72.
24 hr trend......4 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with higher gusts until
1500, then west with higher gusts.
Ridge top winds.....East around 10 mph until 0900, then south until
1200, then southwest.
LAL.................1 until 0900, then 2 until 1200, then 4 until
1500, then 3.
Chc of wetting rain.Less than 5 percent.
Transport winds.....East around 15 mph until 0900. West after 1200.
Mixing Height.......600-2600 ft agl until 1000, then 3200-5000 ft
agl until 1200, then 7800-9800 ft agl until
1700, then 6800-7800 ft agl.
Smoke dispersal.....Poor to fair until 1200. Very good after 1300.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....43-48.
24 hr trend......2 degrees cooler.
Max humidity........71-77 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2200, then northwest
around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2100, then around 10
mph until 2300, then east until 0200, then
northwest.
Mixing Height.......6600-7600 ft agl until 1900. 400-1800 ft agl
after 2000.
Smoke dispersal.....Very good until 1900, then poor.
Haines Index........5.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....75-80.
24 hr trend......9 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 15 mph with gusts to around 25 mph.
Ridge top winds.....Northeast around 10 mph until 0800, then south
until 1100, then west 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 0700, then southwest
until 1200, then west 20 to 25 mph.
Mixing Height.......400-2200 ft agl until 1000. 10400-12400 ft agl
after 1200.
Smoke dispersal.....Poor until 1100. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY NIGHT...Clear. Lows around 50. Winds generally less
than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. West winds around 10 mph.
.MONDAY...Clear. Lows around 50. Highs in the mid 80s. Northwest
winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 50s. Highs 81 to 86.
$$
WYZ277-212045-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....47-52.
24 hr trend......6 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......27 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
northeast around 10 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph until 2100. Northeast after
2400.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2000, then northwest
around 10 mph until 2300, then northeast until
0100, then east.
Mixing Height.......10000-11400 ft agl until 1900. 400-1800 ft agl
after 2000.
Smoke dispersal.....Excellent until 1900. Poor after 2000.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Chance of
precipitation 40 percent.
Max temperature.....70-75.
24 hr trend......3 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 15 mph with higher gusts.
Ridge top winds.....Northeast around 10 mph until 0900, then
southeast until 1000, then southwest until
1400, then around 20 mph.
LAL.................1 until 1200, then 3 until 1500, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 0800, then southeast
until 1000, then southwest until 1200, then
west 20 to 25 mph.
Mixing Height.......400-2200 ft agl until 1000. 9200-11200 ft agl
after 1200.
Smoke dispersal.....Poor until 1100. Excellent after 1200.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear.
Min temperature.....45-50.
24 hr trend......1 degree cooler.
Max humidity........73-79 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2100, then around 10
mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2100, then around 10
mph.
Mixing Height.......8400-9000 ft agl until 1900. 400-2000 ft agl
after 2000.
Smoke dispersal.....Very good to excellent until 1900. Poor after
2000.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....76-81.
24 hr trend......8 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 15 mph with gusts to around 25 mph.
Ridge top winds.....North around 10 mph until 0700, then southwest
until 1400, then west around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Mixing Height.......400-1800 ft agl until 1000. 10400-12400 ft agl
after 1200.
Smoke dispersal.....Poor until 1100. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH MONDAY...Clear. Lows in the lower 50s. Highs in
the mid 80s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.
$$
WYZ279-212045-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....53-58.
24 hr trend......8 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph until 2100, then
southeast. Gusts up to 20 mph.
Ridge top winds.....West 15 to 20 mph until 2100, then east until
2300, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 2000, then around
15 mph until 2200, then southeast.
Mixing Height.......10200-12200 ft agl until 2000, then 400-2400 ft
agl.
Smoke dispersal.....Excellent until 1900. Poor after 2000.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms late in the morning. Scattered
showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Max temperature.....69-74.
24 hr trend......5 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......17 percent wetter.
20-foot winds.......South winds 15 to 20 mph with gusts to around
30 mph until 1500, then southwest with gusts to
around 25 mph.
Ridge top winds.....South 15 to 20 mph until 1000, then southwest
around 25 mph.
LAL.................1 until 0900, then 2 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....South 15 to 20 mph until 0800, then southwest
around 25 mph.
Mixing Height.......600-2600 ft agl until 1000, then 3400-4000 ft
agl until 1100, then 5200-6400 ft agl until
1200, then 8000-10000 ft agl until 1500, then
4800-6800 ft agl.
Smoke dispersal.....Fair to good until 1100, then very good until
1200, then excellent until 1600, then good to
very good.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....49-54.
24 hr trend......5 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South winds 10 to 15 mph and gusty until 0300,
then downslope/downvalley 4-7 mph.
Ridge top winds.....South 15 to 20 mph until 0400, then around 10
mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 20 to 25 mph until 2000, then south
10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2000, then 400-1800 ft
agl.
Smoke dispersal.....Poor.
Haines Index........4.
.SATURDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....77-82.
24 hr trend......8 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph until 1300, then west 15
to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Mixing Height.......400-1800 ft agl until 1000. 10000-12000 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH TUESDAY...Mostly clear. Lows 53 to 58. Highs in
the upper 80s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ289-212045-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms until early
morning. Chance of precipitation 20 percent.
Min temperature.....53-58.
24 hr trend......9 degrees warmer.
Max humidity........80-86 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph until 0300, then 10 mph.
Ridge top winds.....Northeast 10 to 15 mph until 0500, then east.
LAL.................2 until 2400, then 3 until 0300, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast 15 to 20 mph until 0400, then east
around 10 mph.
Mixing Height.......6600-8600 ft agl until 1900. 400-2400 ft agl
after 2000.
Smoke dispersal.....Good to very good until 2000, then poor.
Haines Index........5.
.FRIDAY...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....73-78.
24 hr trend......1 degree cooler.
Min humidity........31-37 percent.
24 hr trend......8 percent wetter.
20-foot winds.......South winds around 10 mph and gusty until 1200,
then southwest with gusts to around 25 mph.
Ridge top winds.....Southeast 10 to 15 mph until 0800, then
southwest 15 to 20 mph.
LAL.................1 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 35 percent.
Transport winds.....South 10 to 15 mph until 0900, then southwest
20 to 25 mph.
Mixing Height.......600-2600 ft agl until 1000, then 3400-5400 ft
agl until 1200, then 6800-8000 ft agl until
1300, then 8600-10400 ft agl until 1500, then
6000-7200 ft agl until 1600, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair until 1100, then good to very good
until 1200, then very good to excellent until
1600, then good to very good.
Haines Index........5.
.FRIDAY NIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Min temperature.....51-56.
24 hr trend......3 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds 10 to 15 mph and gusty until
0300, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 15 to 20 mph until 0400, then around
10 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 2000, then 400-1600 ft
agl.
Smoke dispersal.....Poor.
Haines Index........5.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....79-84.
24 hr trend......7 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......16 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 30 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1100, then west
around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1200, then west
around 25 mph.
Mixing Height.......400-2000 ft agl until 1000. 11800-12600 ft agl
after 1500.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH TUESDAY...Mostly clear. Lows 54 to 59. Highs
86 to 91. Northwest winds 10 to 15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs in the
upper 80s.
$$
WYZ300-212045-
Casper Mountain-
1242 PM MDT Thu Jun 20 2024
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and thunderstorms early in
the evening, then isolated showers and
thunderstorms early in the evening. Isolated
showers and thunderstorms after midnight.
Chance of precipitation 50 percent.
Min temperature.....54-59.
24 hr trend......8 degrees warmer.
Max humidity........82-88 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 15 mph until 0200, then southeast.
LAL.................4 until 2100, then 2 until 0300, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....East 15 to 20 mph until 0100, then south 10 to
15 mph.
Mixing Height.......1600-3600 ft agl until 2000, then 200-1200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........4.
.FRIDAY...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....71-76.
24 hr trend......3 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....South around 10 mph until 0900. Southwest
around 20 mph after 1400.
LAL.................1 until 1200, then 4.
Chc of wetting rain.Zero percent until 1200, then 45 percent.
Transport winds.....South 10 to 15 mph until 0900, then southwest
around 20 mph until 1600, then west 25 to 30
mph.
Mixing Height.......400-2400 ft agl until 1000, then 3200-5000 ft
agl until 1200, then 6000-8000 ft agl until
1600, then 3800-4600 ft agl until 1700, then
2000-2600 ft agl.
Smoke dispersal.....Fair to good until 1200, then very good until
1700, then poor to fair.
Haines Index........4.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers and thunderstorms in the
evening. Chance of precipitation 30 percent.
Min temperature.....51-56.
24 hr trend......3 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 15 to 20 mph until 2200, then around
10 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 2200, then 10 to
15 mph.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.SATURDAY...
Sky/weather.........Mostly sunny.
Max temperature.....77-82.
24 hr trend......6 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......20 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1200, then west 15
to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 1100, then west 25
to 30 mph.
Mixing Height.......200-2200 ft agl until 1000. 9400-11400 ft agl
after 1200.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
Haines Index........5.
.Forecast days 3 through 7......
.SATURDAY THROUGH TUESDAY...Mostly clear. Lows 55 to 60. Highs
82 to 87. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.THURSDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s.
$$