Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
597
FNUS55 KRIW 191108
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
508 AM MDT Sun May 19 2024
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Isolated rain and snow showers are expected throughout the day
across zone 140. Otherwise, it will be another gusty day with
humidity dropping below 25 percent for most areas. A cold front
will begin pushing in this evening, quickly decreasing wind after
sunset. Cooler and wetter conditions are expected Monday and
Tuesday.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
One more day of elevated to critical fire weather conditions is
expected today. Wind gusts of 30 to 40 mph will be widespread
through the afternoon. Humidity will drop below 15 percent in the
Wind River Basin. Otherwise, a few showers are possible across
zones 275, 276, and 286. Wind will decrease quickly after sunset.
Wetter and cooler conditions are expected Monday and Tuesday.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
One more day of elevated to critical fire weather conditions is
expected today. Wind gusts of 30 to 40 mph will be widespread
through the afternoon. Humidity will drop to below 20 percent for
most zones and below 15 percent for zones 278 and 289. Otherwise,
a few showers are possible across zones 281 and 285. Wind will
decrease quickly after sunset. Wetter and cooler conditions are
expected Monday and Tuesday.
...Thunderstorms imply strong gusty and erratic winds...
...Haines Index is high level Haines both day and night...
WYZ280-201315-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Max temperature.....69-74.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Breezy. Southwest winds around 15 mph with
higher gusts until 0900, then west around 25
mph with gusts to around 35 mph.
Ridge top winds.....Southwest around 20 mph until 0900, then west
around 30 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 0900, then west
30 to 35 mph.
Mixing Height.......600-2200 ft agl until 1200, then 10600-12200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
Haines Index........5.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers late in the evening.
Chance of showers 20 percent.
Min temperature.....38-43.
24 hr trend......7 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph with gusts to around
30 mph until 2400, then northeast around 10 mph
with gusts to around 15 mph.
Ridge top winds.....North 20 to 25 mph until 2400, then northeast
around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph until 2100, then northeast
15 to 20 mph.
Mixing Height.......8200-9200 ft agl until 2100, then 1200-1800 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........5.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered rain showers in the
morning, then rain showers in the afternoon.
Isolated thunderstorms late in the afternoon.
Chance of precipitation 90 percent.
Max temperature.....47-52.
24 hr trend......22 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......40 percent wetter.
20-foot winds.......East winds 10 to 15 mph. Gusts up to 15 mph
until 1500, then 20 mph.
Ridge top winds.....East 15 to 20 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent until 1200, then 75 percent.
Transport winds.....East 15 to 20 mph.
Mixing Height.......1200-2400 ft agl until 1200, then 2800-3200 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and isolated thunderstorms in the
evening, then showers after midnight. Lows in the mid 30s.
Northeast winds around 15 mph.
.TUESDAY...Mostly cloudy with showers and slight chance of
thunderstorms. Lows in the lower 30s. Highs in the mid 40s. North
winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy with slight chance of showers.
Lows around 40. Highs in the lower 60s. Southwest winds around
10 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 60s. West
winds around 15 mph.
.FRIDAY...Cooler. Partly cloudy with chance of showers. Lows in
the upper 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
afternoon. Highs in the mid 60s.
$$
WYZ283-201315-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....63-68.
24 hr trend......1 degree cooler.
Min humidity........11-17 percent.
24 hr trend......Unchanged.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 30 mph until 1200, then west around
25 mph with gusts to around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph until 1200, then west
around 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 1200, then west
around 35 mph.
Mixing Height.......600-2400 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers after midnight. Isolated
snow showers early in the morning, then
scattered snow showers early in the morning.
Chance of precipitation 40 percent.
Min temperature.....36-41.
24 hr trend......6 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph until 2100, then northeast 10 to
15 mph and gusty.
Ridge top winds.....Northwest around 25 mph until 2100, then
northeast 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2100, then north 15 to
20 mph until 0300, then northeast.
Mixing Height.......7600-8600 ft agl until 2100, then 1000-1400 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered rain showers and snow
showers in the morning, then numerous rain
showers and isolated thunderstorms in the
afternoon. No snow accumulation. Chance of
precipitation 70 percent.
Max temperature.....49-54.
24 hr trend......17 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......36 percent wetter.
20-foot winds.......East winds around 10 mph and gusty.
Ridge top winds.....East around 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent until 1200, then 45 percent.
Transport winds.....Northeast around 15 mph until 0900, then
southeast.
Mixing Height.......1000-2800 ft agl until 1200, then 4000-4600 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and slight chance of thunderstorms. Lows
in the upper 30s. Northeast winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers, snow showers and slight chance
of thunderstorms. Lows in the lower 30s. Highs in the upper 40s.
Winds generally less than 10 mph.
.WEDNESDAY...Warmer. Partly cloudy with slight chance of showers.
Lows around 40. Highs in the lower 60s. Southwest winds around
10 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the lower 60s. West
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
.SATURDAY...Partly cloudy with slight chance of showers. Highs in
the mid 60s.
$$
WYZ285-201315-
South Bighorn Mountains-
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Isolated rain showers in the afternoon.
Isolated thunderstorms early in the afternoon.
Chance of precipitation 20 percent.
Max temperature.....58-63.
24 hr trend......Unchanged.
Min humidity........19-25 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph with gusts
to around 30 mph until 1200, then west with
gusts to around 35 mph.
Ridge top winds.....Southwest 25 to 30 mph until 1200, then west.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph until 1200, then west
around 35 mph.
Mixing Height.......600-1800 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms early in the
evening. Isolated rain showers and snow showers
after midnight. Chance of precipitation 20
percent.
Min temperature.....33-38.
24 hr trend......11 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......34 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 25 mph until 2400, then around 10 mph
until 0300, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 15 to 20 mph until 0300, then
northeast around 10 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 20 to 25 mph until 2400, then north
10 to 15 mph.
Mixing Height.......6600-7800 ft agl until 2100, then 800-1400 ft
agl.
Smoke dispersal.....Very good to excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Cloudy. Scattered rain showers and snow showers
in the morning, then rain showers and snow
showers in the afternoon. Isolated
thunderstorms late in the afternoon. Little or
no snow accumulation. Chance of precipitation
80 percent.
Max temperature.....44-49.
24 hr trend......17 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......37 percent wetter.
20-foot winds.......East winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then east
around 10 mph with higher gusts.
Ridge top winds.....East 10 to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent until 1200, then 45 percent.
Transport winds.....Southeast around 10 mph until 1200, then around
15 mph.
Mixing Height.......600-2400 ft agl until 1200, then 3000-4000 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers, snow showers and slight chance of
thunderstorms. Lows in the mid 30s. Northeast winds around
10 mph.
.TUESDAY...Showers, snow showers and chance of thunderstorms.
Lows in the lower 30s. Highs in the lower 40s. North winds around
10 mph.
.WEDNESDAY...Warmer. Partly cloudy with chance of snow showers
and slight chance of showers. Lows in the upper 30s. Highs in the
mid 50s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Showers, snow showers likely and
slight chance of thunderstorms. Lows in the mid 30s. Highs in the
upper 50s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows in the mid 30s. Highs in the upper 40s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers in the afternoon.
Highs in the upper 50s.
$$
WYZ281-201315-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Isolated rain showers
early in the afternoon. Isolated thunderstorms
late in the afternoon. Chance of precipitation
20 percent.
Max temperature.....63-68.
24 hr trend......2 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Breezy. South winds around 15 mph until 0900,
then west with gusts to around 30 mph until
1500, then north with gusts to around 30 mph.
Ridge top winds.....South around 15 mph until 0900, then west
around 25 mph until 1500, then north.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 0900, then west 25 to
30 mph until 1500, then northwest.
Mixing Height.......400-2000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers early in the morning.
Chance of showers 20 percent.
Min temperature.....36-41.
24 hr trend......5 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds around 25 mph with gusts to
around 30 mph until 2100. Downslope/downvalley
4-7 mph after 0300.
Ridge top winds.....North around 30 mph until 2100. Around 10 mph
after 0300.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 30 mph until 2100. Around 10 mph
after 0300.
Mixing Height.......4000-5000 ft agl until 2100, then 600-2000 ft
agl.
Smoke dispersal.....Good to very good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered rain showers in the
morning, then numerous rain showers in the
afternoon. Chance of showers 70 percent.
Max temperature.....48-53.
24 hr trend......16 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 1200, then northeast.
LAL.................1.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....Northeast around 10 mph until 1200, then east.
Mixing Height.......600-2600 ft agl until 1200, then 3800-5000 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and isolated thunderstorms in the
evening, then showers after midnight. Lows around 40. North winds
around 10 mph.
.TUESDAY...Mostly cloudy with showers and slight chance of
thunderstorms. Lows in the mid 30s. Highs around 50. Northwest
winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy with slight chance of showers.
Lows in the lower 40s. Highs in the mid 60s. Southwest winds
around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 40. Highs in the upper 60s. West winds
around 10 mph.
.FRIDAY...Cooler. Partly cloudy with chance of showers. Lows in
the upper 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Chance of showers in the afternoon.
Highs in the mid 60s.
$$
WYZ282-201315-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....60-65.
24 hr trend......1 degree warmer.
Min humidity........21-27 percent.
24 hr trend......1 percent drier.
20-foot winds.......Breezy. West winds around 10 mph and gusty
until 1200, then northwest 20 to 25 mph with
gusts to around 30 mph.
Ridge top winds.....West 10 to 15 mph until 1200, then northwest
around 25 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
25 to 30 mph.
Mixing Height.......600-1800 ft agl until 1200. 10600-11000 ft agl
after 1500.
Smoke dispersal.....Poor until 1200. Excellent after 1500.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers after midnight. Chance of
showers 20 percent.
Min temperature.....34-39.
24 hr trend......6 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 30 mph until 2400. Downslope/downvalley
4-7 mph after 0300.
Ridge top winds.....Northwest around 25 mph until 2100, then 10 to
15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 20 to 25 mph until 2400, then 10 to
15 mph.
Mixing Height.......4800-5800 ft agl until 2100, then 800-2000 ft
agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Cloudy. Scattered rain showers in the morning,
then numerous rain showers in the afternoon.
Isolated thunderstorms late in the afternoon.
Chance of precipitation 70 percent.
Max temperature.....48-53.
24 hr trend......14 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
around 10 mph and gusty.
Ridge top winds.....North around 10 mph until 1200, then northeast.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest around 10 mph until 1500, then
southeast.
Mixing Height.......800-2600 ft agl until 1200, then 4200-5600 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and slight chance of thunderstorms. Lows
around 40. North winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the lower 50s. West
winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy. Slight chance of showers.
Lows in the lower 40s. Highs in the mid 60s. South winds around
10 mph.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 60s. West
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
.SATURDAY...Partly cloudy. Chance of showers in the afternoon.
Highs in the mid 60s.
$$
WYZ275-201315-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Scattered rain showers and
isolated thunderstorms in the afternoon. Chance
of precipitation 50 percent.
Max temperature.....57-62.
24 hr trend......2 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Breezy. Northwest winds around 10 mph and gusty
until 1200, then 20 to 25 mph with gusts to
around 35 mph.
Ridge top winds.....Northwest around 15 mph until 1200, then 25 to
30 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 1200. Around 30
mph after 1500.
Mixing Height.......600-1800 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200. Excellent after 1500.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Min temperature.....33-38.
24 hr trend......6 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds around 25 mph with
gusts to around 30 mph until 2100, then 10 to
15 mph and gusty.
Ridge top winds.....Northwest around 30 mph until 2100, then 15 to
20 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 30 mph until 2100, then 15 to
20 mph.
Mixing Height.......3400-3800 ft agl until 2100, then 800-1800 ft
agl.
Smoke dispersal.....Good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Mostly cloudy. Isolated rain showers in the
morning, then numerous rain showers in the
afternoon. Isolated thunderstorms late in the
afternoon. Chance of precipitation 70 percent.
Max temperature.....47-52.
24 hr trend......8 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......800 ft agl until 0900. 4800-6600 ft agl after
1200.
Smoke dispersal.....Fair to good.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Numerous showers and isolated thunderstorms in
the evening, then showers likely after midnight. Lows in the
lower 40s. North winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 50s. North
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 40s. Highs in the mid 60s. South winds around 10 mph.
.THURSDAY...Mostly cloudy with showers likely. Lows in the upper
30s. Highs in the lower 60s. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers. Lows around 40.
Highs in the mid 50s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
mid 60s.
$$
WYZ276-201315-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
becoming partly cloudy. Isolated rain showers
early in the afternoon. Scattered rain showers
late in the afternoon. Chance of showers 50
percent.
Max temperature.....57-62.
24 hr trend......4 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Breezy. West winds around 10 mph until 0900,
then northwest 20 to 25 mph with gusts to
around 35 mph until 1500, then north with gusts
to around 30 mph.
Ridge top winds.....West around 10 mph until 0900, then northwest
25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 0900, then 25 to
30 mph.
Mixing Height.......600 ft agl until 0900. 6200-7800 ft agl after
1200.
Smoke dispersal.....Poor to fair until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated thunderstorms early in the evening.
Isolated rain showers in the evening. Chance of
precipitation 20 percent.
Min temperature.....33-38.
24 hr trend......7 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 20 mph with gusts to around
25 mph until 2100. Downslope/downvalley 4-7 mph
after 2400.
Ridge top winds.....North around 25 mph until 2100, then 10 to 15
mph until 0300, then west.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 25 mph until 2100, then 10 to 15
mph.
Mixing Height.......3600-4000 ft agl until 2100, then 800-1800 ft
agl.
Smoke dispersal.....Good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers and snow showers in the
morning, then numerous snow showers early in
the afternoon. Numerous rain showers and
isolated thunderstorms in the afternoon. No
snow accumulation. Chance of precipitation 70
percent.
Max temperature.....48-53.
24 hr trend......8 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northeast 10 to 15 mph with higher gusts.
Ridge top winds.....Northeast 10 to 15 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....North 10 to 15 mph until 1200, then northeast.
Mixing Height.......600-800 ft agl until 0900. 4600-5600 ft agl
after 1200.
Smoke dispersal.....Fair to good.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Numerous showers and isolated thunderstorms in
the evening, then showers and snow showers likely after midnight.
Lows in the upper 30s. North winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers likely with possible snow
showers and thunderstorms. Lows in the mid 30s. Highs in the
lower 50s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with showers likely and chance of snow
showers. Lows in the mid 30s. Highs in the mid 50s. Northwest
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
lower 60s.
$$
WYZ287-201315-
Owl Creek Mountains-
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....57-62.
24 hr trend......1 degree cooler.
Min humidity........13-19 percent.
24 hr trend......1 percent drier.
20-foot winds.......Breezy. Southwest winds around 15 mph with
higher gusts until 0900, then west around 25
mph with gusts to around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph until 1200, then west
around 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 1200, then west
around 30 mph.
Mixing Height.......600-2200 ft agl until 1200, then 8000-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers and snow showers early in
the morning. Chance of precipitation 20
percent.
Min temperature.....32-37.
24 hr trend......9 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......26 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph with gusts to around
25 mph until 2400. Downslope/downvalley 4-7 mph
after 0300.
Ridge top winds.....North 15 to 20 mph until 0300, then northwest
around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2100, then north 15 to
20 mph until 0300, then around 10 mph.
Mixing Height.......5800-6800 ft agl until 2100, then 800-1600 ft
agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Cloudy. Scattered rain showers and snow showers
in the morning, then rain showers, snow showers
and isolated thunderstorms in the afternoon.
Little or no snow accumulation. Chance of
precipitation 80 percent.
Max temperature.....43-48.
24 hr trend......14 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......32 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East 10 to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent until 1200, then 40 percent.
Transport winds.....North around 10 mph until 0900, then east.
Mixing Height.......800-2600 ft agl until 1200, then 4000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers, snow showers and slight chance of
thunderstorms. Lows in the mid 30s. North winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers, snow showers and slight chance
of thunderstorms. Lows in the mid 30s. Highs in the mid 40s.
Northwest winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy. Chance of showers and slight
chance of thunderstorms. Lows around 40. Highs in the upper 50s.
Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy. Showers likely and chance of snow
showers. Lows in the mid 30s. Highs in the mid 50s. West winds
around 10 mph.
.FRIDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
upper 50s.
$$
WYZ286-201315-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
afternoon. Scattered snow showers early in the
afternoon. Chance of precipitation 50 percent.
Max temperature.....47-52.
24 hr trend......2 degrees cooler.
Min humidity........26-32 percent.
24 hr trend......Unchanged.
20-foot winds.......Breezy. Southwest winds around 15 mph with
higher gusts until 0900, then west around 25
mph with gusts to around 35 mph.
Ridge top winds.....Southwest around 20 mph until 0900, then west
around 30 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 20 mph until 0900, then west
30 to 35 mph.
Mixing Height.......600-800 ft agl until 0900. 6200-7200 ft agl
after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered snow showers early in the evening.
Isolated thunderstorms early in the evening.
Isolated snow showers early in the evening.
Chance of precipitation 50 percent.
Min temperature.....27-32.
24 hr trend......9 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2400, then east around
10 mph.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 25 mph until 2100, then northwest
10 to 15 mph until 0300, then southeast.
Mixing Height.......4400-5400 ft agl until 2100, then 800-1200 ft
agl.
Smoke dispersal.....Good to very good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered snow showers in the morning, then
numerous snow showers and isolated
thunderstorms in the afternoon. Numerous rain
showers in the afternoon. Snow accumulation up
to 3 inches. Chance of precipitation 70
percent.
Max temperature.....40-45.
24 hr trend......7 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph and gusty.
Ridge top winds.....Southeast 10 to 15 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent until 1200, then 50 percent.
Transport winds.....Southeast 10 to 15 mph until 1200, then south.
Mixing Height.......600-800 ft agl until 0900. 4200-5200 ft agl
after 1200.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Snow showers, showers and scattered thunderstorms
in the evening, then snow showers likely and slight chance of
thunderstorms after midnight. Lows in the upper 20s. Northeast
winds around 10 mph.
.TUESDAY...Mostly cloudy. Snow showers, showers and slight chance
of thunderstorms. Lows in the upper 20s. Highs around 40.
Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of snow showers, showers
and slight chance of thunderstorms. Lows in the lower 30s. Highs
in the upper 40s. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers with showers likely.
Lows in the upper 20s. Highs in the lower 40s. West winds around
10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers, showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the lower 40s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and snow showers
in the afternoon. Highs in the upper 40s.
$$
WYZ140-201315-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers through the day.
Scattered rain showers and isolated
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....44-49.
24 hr trend......3 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Southwest winds around 10 mph and gusty until
0900, then west around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 15 mph until 0900, then west
around 25 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Southwest around 15 mph until 0900, then 25 to
30 mph.
Mixing Height.......600 ft agl until 0900. 6600-7200 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Very good to excellent after
1200.
Haines Index........3.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers early in the evening.
Isolated thunderstorms early in the evening.
Isolated snow showers in the evening. Chance of
precipitation 40 percent.
Min temperature.....25-30.
24 hr trend......8 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph until 2400, then
northeast.
LAL.................3 until 2400, then 1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 20 mph until 2100, then northwest
around 10 mph until 2400, then northeast.
Mixing Height.......4800-5600 ft agl until 2100, then 600-1200 ft
agl.
Smoke dispersal.....Good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers in the morning, then
numerous snow showers and isolated
thunderstorms in the afternoon. Numerous rain
showers late in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Max temperature.....43-48.
24 hr trend......2 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph and gusty.
Ridge top winds.....Northeast around 10 mph until 0900, then west.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....East around 10 mph until 0900, then southwest.
Mixing Height.......600 ft agl until 0900. 6200-6800 ft agl after
1200.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Numerous snow showers and
scattered thunderstorms in the evening, then chance of snow
showers after midnight. Lows in the upper 20s. Winds generally
less than 10 mph.
.TUESDAY...Partly cloudy. Snow showers, showers likely and slight
chance of thunderstorms. Lows in the upper 20s. Highs in the mid
40s. Winds generally less than 10 mph.
.WEDNESDAY...Snow showers, showers likely and slight chance of
thunderstorms. Lows in the upper 20s. Highs in the mid 40s. South
winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers and slight chance of
thunderstorms. Lows in the mid 20s. Highs in the lower 40s.
Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with chance of showers,
snow showers and slight chance of thunderstorms. Lows in the
upper 20s. Highs 43 to 48.
$$
WYZ415-201315-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny.
Max temperature.....46-51.
24 hr trend......4 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph. 30 mph after
0900.
Ridge top winds.....Southwest around 15 mph until 0900, then west
around 25 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 0900, then west
25 to 30 mph.
Mixing Height.......600 ft agl until 0900. 5400-6600 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Very good to excellent after
1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated snow showers in the
evening. Chance of snow 20 percent.
Min temperature.....24-29.
24 hr trend......8 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty until 2400,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 20 mph until 2100, then southwest
around 10 mph until 2400, then south.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 2400, then south around
10 mph.
Mixing Height.......5400-5600 ft agl until 2100, then 600-800 ft
agl.
Smoke dispersal.....Good to very good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers in the morning, then
numerous snow showers and scattered rain
showers in the afternoon. Isolated
thunderstorms late in the afternoon. Little or
no snow accumulation. Chance of precipitation
70 percent.
Max temperature.....44-49.
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 0900, then west
around 10 mph and gusty.
Ridge top winds.....South around 10 mph until 0900, then west.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....South 10 to 15 mph until 1200, then southwest.
Mixing Height.......600 ft agl until 0900. 6600-7000 ft agl after
1200.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Numerous snow showers with
possible showers and thunderstorms in the evening, then chance of
snow showers and showers after midnight. Lows in the upper 20s.
Winds generally less than 10 mph.
.TUESDAY...Mostly cloudy. Snow showers with possible showers and
thunderstorms likely. Lows in the upper 20s. Highs in the lower
40s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows around 30. Highs in the mid
40s. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers with possible showers
and thunderstorms likely. Lows in the mid 20s. Highs around 40.
Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow
showers, showers and slight chance of thunderstorms. Lows in the
upper 20s. Highs 43 to 48.
$$
WYZ416-201315-
West Wind River Mountains/East Zone Bridger Teton NF-
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny.
Max temperature.....48-53.
24 hr trend......4 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Breezy. South winds around 10 mph and gusty
until 0900, then west 20 to 25 mph with gusts
to around 35 mph.
Ridge top winds.....South around 15 mph until 0900, then west 25 to
30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 0900. West around
35 mph after 1500.
Mixing Height.......600 ft agl until 0900. 5800-7200 ft agl after
1200.
Smoke dispersal.....Poor to fair until 1200, then excellent.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers after midnight. Scattered
snow showers early in the morning, then
isolated snow showers early in the morning.
Chance of snow 50 percent.
Min temperature.....27-32.
24 hr trend......7 degrees cooler.
Max humidity........67-73 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 25 mph until 2100, then around 10
mph until 2400, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2100, then 10 to 15
mph until 0300, then southeast.
Mixing Height.......5200-5800 ft agl until 2100, then 600 ft agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning, then numerous snow showers, rain
showers and isolated thunderstorms in the
afternoon. Snow accumulation up to 1 inch.
Chance of precipitation 70 percent.
Max temperature.....41-46.
24 hr trend......6 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1500, then around
15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent until 1200, then 25 percent.
Transport winds.....South 10 to 15 mph until 1200, then southwest.
Mixing Height.......600 ft agl until 0900. 4400-5400 ft agl after
1200.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Numerous snow showers and isolated thunderstorms
in the evening, then snow showers likely after midnight. Lows in
the mid 20s. Winds generally less than 10 mph.
.TUESDAY...Mostly cloudy. Snow showers and chance of
thunderstorms. Lows in the lower 20s. Highs around 40. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with chance of snow showers, showers
and slight chance of thunderstorms. Lows in the upper 20s. Highs
in the mid 40s. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers likely. Lows in the
lower 20s. Highs in the lower 40s. West winds around 10 mph.
.FRIDAY...Partly cloudy with chance of snow showers and slight
chance of thunderstorms. Lows in the mid 20s. Highs in the lower
40s.
.SATURDAY...Partly cloudy. Slight chance of snow showers in the
morning, then chance of showers and snow showers in the
afternoon. Highs in the upper 40s.
$$
WYZ288-201315-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....53-58.
24 hr trend......3 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Windy. Southwest winds 20 to 25 mph with gusts
to around 40 mph until 1200, then west around
30 mph with gusts to around 45 mph.
Ridge top winds.....Southwest 25 to 30 mph until 1200, then west
around 35 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph until 1200, then west 40
to 45 mph.
Mixing Height.......600 ft agl until 0900. 6400-8000 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers after midnight. Scattered
snow showers early in the morning. Chance of
snow 50 percent.
Min temperature.....28-33.
24 hr trend......10 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......21 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 35 mph until 2100, then around 10 mph
with gusts to around 15 mph until 2400, then
southeast until 0300, then downslope/downvalley
4-7 mph.
Ridge top winds.....West around 30 mph until 2100, then around 15
mph until 2400, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph until 2100, then around 15
mph until 0300, then southeast.
Mixing Height.......5600-6400 ft agl until 2100, then 600-1000 ft
agl.
Smoke dispersal.....Very good to excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Numerous rain showers late in the
morning, then snow showers, rain showers and
isolated thunderstorms in the afternoon. Snow
accumulation up to 2 inches. Chance of
precipitation 80 percent.
Max temperature.....39-44.
24 hr trend......14 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......35 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds east
around 10 mph after 1500. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.10 percent until 1200, then 70 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2400 ft agl until 1200, then 3200-4200 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Snow showers, showers and isolated thunderstorms
in the evening, then snow showers with possible showers and
thunderstorms likely after midnight. Lows in the upper 20s. Winds
generally less than 10 mph.
.TUESDAY...Mostly cloudy. Snow showers, showers and slight chance
of thunderstorms. Lows in the mid 20s. Highs in the upper 30s.
Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. Southwest
winds around 10 mph.
.THURSDAY...Partly cloudy. Snow showers likely and chance of
showers. Lows in the upper 20s. Highs in the mid 40s. West winds
around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers, showers and
slight chance of thunderstorms. Lows around 30. Highs in the mid
40s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and snow showers
in the afternoon. Highs in the lower 50s.
$$
WYZ414-201315-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....47-52.
24 hr trend......6 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 15 to 20 mph. Gusts up to 25 mph
until 1200, then 30 mph.
Ridge top winds.....Southwest around 15 mph until 0900, then west
25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 1200, then around 30
mph.
Mixing Height.......600 ft agl until 0900. 5200-6400 ft agl after
1200.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
Haines Index........3.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers after midnight. Chance of
snow 20 percent.
Min temperature.....27-32.
24 hr trend......8 degrees cooler.
Max humidity........66-72 percent.
24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
25 mph until 2100, then around 10 mph until
2400, then downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2400, then around 10
mph until 0300, then south.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 2100, then 10 to 15
mph.
Mixing Height.......5200 ft agl until 2100, then 600 ft agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........3.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers in the
morning. Isolated rain showers late in the
morning, then numerous snow showers and
scattered rain showers in the afternoon. Little
or no snow accumulation. Chance of
precipitation 60 percent.
Max temperature.....43-48.
24 hr trend......4 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph and gusty.
Ridge top winds.....Southwest around 10 mph until 1200, then west.
LAL.................1.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest around 10 mph until 1200, then west.
Mixing Height.......600 ft agl until 0900. 5400-6400 ft agl after
1200.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered snow showers, showers
and isolated thunderstorms in the evening, then chance of snow
showers and showers after midnight. Lows in the upper 20s. Winds
generally less than 10 mph.
.TUESDAY...Mostly cloudy. Snow showers with possible showers and
thunderstorms likely. Lows in the upper 20s. Highs in the lower
40s. West winds around 10 mph.
.WEDNESDAY...Mostly cloudy with showers likely with possible snow
showers and thunderstorms. Lows in the lower 30s. Highs around
50. Southwest winds around 10 mph.
.THURSDAY...Mostly cloudy with snow showers, showers likely and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
lower 40s. West winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers,
snow showers and slight chance of thunderstorms. Lows in the
upper 20s. Highs 46 to 51.
$$
WYZ278-201315-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....53-58.
24 hr trend......4 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......Unchanged.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 30 mph until 1200, then west around
25 mph with gusts to around 35 mph.
Ridge top winds.....Southwest around 15 mph until 0900, then west
25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 0900. West around
35 mph after 1200.
Mixing Height.......600 ft agl until 0900. 7200-8800 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers early in the morning.
Isolated rain showers early in the morning.
Chance of precipitation 20 percent.
Min temperature.....30-35.
24 hr trend......6 degrees cooler.
Max humidity........69-75 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
25 mph until 2100, then northwest around 10 mph
with gusts to around 15 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West around 25 mph until 2100, then northwest
10 to 15 mph until 0300, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph until 2100, then northwest
10 to 15 mph until 0300, then north.
Mixing Height.......6400-7200 ft agl until 2100, then 600-1000 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered rain showers in the
morning. Scattered snow showers through the
day. Numerous rain showers and isolated
thunderstorms in the afternoon. No snow
accumulation. Chance of precipitation 70
percent.
Max temperature.....43-48.
24 hr trend......12 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph until 1500, then southwest.
LAL.................1 until 1200, then 2.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....Southeast around 10 mph until 0900, then
southwest.
Mixing Height.......800-2600 ft agl until 1200, then 4400-5200 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers, snow showers
and isolated thunderstorms in the evening, then chance of showers
and snow showers after midnight. Lows in the lower 30s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy. Snow showers, showers likely and slight
chance of thunderstorms. Lows in the upper 20s. Highs in the
upper 40s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. Southwest
winds around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the upper 20s. Highs in the lower 50s. West winds around
15 mph.
.FRIDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then slight chance of showers in the
afternoon. Highs in the lower 60s.
$$
WYZ277-201315-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Max temperature.....54-59.
24 hr trend......7 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Breezy. Southwest winds around 15 mph with
gusts to around 25 mph until 0900, then west
around 25 mph with gusts to around 40 mph.
Ridge top winds.....Southwest around 20 mph until 0900, then west
around 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 0900, then west
30 to 35 mph.
Mixing Height.......600 ft agl until 0900. 6400-7800 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers early in the morning.
Isolated rain showers early in the morning.
Chance of precipitation 20 percent.
Min temperature.....32-37.
24 hr trend......8 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
25 mph until 2100, then northwest around 10 mph
with gusts to around 15 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West around 25 mph until 2100, then northwest
10 to 15 mph until 0300, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph until 2100, then northwest
10 to 15 mph.
Mixing Height.......5800-6400 ft agl until 2100, then 600-1000 ft
agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered rain showers and snow
showers in the morning, then numerous rain
showers, snow showers and isolated
thunderstorms in the afternoon. Little or no
snow accumulation. Chance of precipitation 70
percent.
Max temperature.....43-48.
24 hr trend......12 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.25 percent until 1200, then 35 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-2000 ft agl until 1200, then 3400-4400 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers, snow showers
and isolated thunderstorms in the evening, then chance of showers
and snow showers after midnight. Lows in the lower 30s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy. Showers, snow showers likely and slight
chance of thunderstorms. Lows in the upper 20s. Highs in the
upper 40s. West winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy. Slight chance of showers.
Lows in the mid 30s. Highs in the upper 50s. Southwest winds
around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows around 30. Highs in the lower 50s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s.
.SATURDAY...Partly cloudy with slight chance of showers. Highs in
the lower 60s.
$$
WYZ279-201315-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Isolated rain showers in the
morning. Scattered rain showers and isolated
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Max temperature.....60-65.
24 hr trend......4 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Windy. Southwest winds around 15 mph with
higher gusts until 0900, then west 25 to 30 mph
with gusts to around 40 mph.
Ridge top winds.....Southwest around 20 mph until 0900, then west
30 to 35 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 20 mph until 0900. West around
40 mph after 1500.
Mixing Height.......600 ft agl until 0900. 8600-9800 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........4.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated rain showers and snow showers early in
the morning. Chance of precipitation 20
percent.
Min temperature.....35-40.
24 hr trend......9 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......16 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph until 2100, then northwest around 10 mph
with gusts to around 15 mph until 2400, then
downslope/downvalley 4-7 mph until 0300, then
northwest around 10 mph.
Ridge top winds.....West around 25 mph until 2100, then northwest
10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 35 mph until 2100, then northwest
10 to 15 mph.
Mixing Height.......7000-7400 ft agl until 2100, then 800-1000 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered snow showers early in
the morning. Scattered rain showers in the
morning, then numerous rain showers and
isolated thunderstorms in the afternoon. No
snow accumulation. Chance of precipitation 70
percent.
Max temperature.....49-54.
24 hr trend......17 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......28 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then
southeast and gusty until 1500, then north with
higher gusts.
Ridge top winds.....West around 15 mph until 0900, then southeast
until 1500, then north.
LAL.................1 until 1200, then 3.
Chc of wetting rain.40 percent until 1200, then 65 percent.
Transport winds.....North around 15 mph until 1200, then east until
1500, then north.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Cloudy. Numerous showers and isolated
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight. Lows in the mid 30s.
Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Showers, snow showers likely and slight
chance of thunderstorms. Lows in the lower 30s. Highs in the
upper 40s. West winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy. Lows in the upper 30s. Highs
around 60. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers,
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the upper 50s. West winds around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the mid 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.
$$
WYZ289-201315-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Isolated rain showers early in
the afternoon. Isolated thunderstorms late in
the afternoon. Chance of precipitation 20
percent.
Max temperature.....63-68.
24 hr trend......1 degree cooler.
Min humidity........14-20 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Windy. Southwest winds around 15 mph with gusts
to around 25 mph until 0900, then west 25 to 30
mph with gusts to around 40 mph.
Ridge top winds.....Southwest around 20 mph until 0900, then west
30 to 35 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 0900. West around
40 mph after 1200.
Mixing Height.......600 ft agl until 0900. 9800-11200 ft agl after
1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........5.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated snow showers early in the morning.
Isolated rain showers early in the morning.
Scattered snow showers early in the morning.
Chance of precipitation 40 percent.
Min temperature.....35-40.
24 hr trend......9 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......20 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. West winds around 25 mph with gusts to
around 30 mph until 2100, then northwest around
15 mph and gusty until 2400, then north with
gusts to around 15 mph.
Ridge top winds.....West around 30 mph until 2100, then northwest
around 15 mph until 2400, then north.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 35 mph until 2100, then northwest
around 20 mph until 2400, then northeast.
Mixing Height.......8000-9000 ft agl until 2100, then 800-1200 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Cloudy. Numerous rain showers and snow showers
in the morning, then rain showers and isolated
thunderstorms in the afternoon. No snow
accumulation. Chance of precipitation 90
percent.
Max temperature.....43-48.
24 hr trend......20 degrees cooler.
Min humidity........57-63 percent.
24 hr trend......42 percent wetter.
20-foot winds.......South winds around 10 mph and gusty until 1500,
then east with higher gusts.
Ridge top winds.....South around 15 mph until 1500, then east.
LAL.................1 until 1200, then 3.
Chc of wetting rain.15 percent until 1200, then 75 percent.
Transport winds.....Northeast around 15 mph until 0900, then west
until 1200, then south until 1500, then
northeast.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and isolated thunderstorms in the
evening, then showers with snow showers likely after midnight.
Lows in the mid 30s. Northeast winds around 10 mph.
.TUESDAY...Mostly cloudy. Showers, snow showers and slight chance
of thunderstorms. Lows in the lower 30s. Highs in the lower 40s.
Northwest winds around 10 mph.
.WEDNESDAY...Warmer. Partly cloudy with slight chance of showers.
Lows in the upper 30s. Highs in the upper 50s. Southwest winds
around 15 mph.
.THURSDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the mid 30s. Highs in the
upper 50s. West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of snow showers. Lows in the mid 30s. Highs in the mid 50s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
afternoon. Highs in the lower 60s.
$$
WYZ300-201315-
Casper Mountain-
508 AM MDT Sun May 19 2024
.TODAY...
Sky/weather.........Partly cloudy. Scattered rain showers and
isolated thunderstorms in the afternoon. Chance
of precipitation 40 percent.
Max temperature.....64-69.
24 hr trend......1 degree warmer.
Min humidity........20-26 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Breezy. Southwest winds 20 to 25 mph. Gusts up
to 25 mph until 0900, then 40 mph.
Ridge top winds.....Southwest 25 to 30 mph.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 25 to 30 mph until 1200, then west 35
to 40 mph.
Mixing Height.......600 ft agl until 0900. 10800-12000 ft agl after
1200.
Smoke dispersal.....Poor to fair until 1200. Excellent after 1500.
Haines Index........5.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms early in the
evening. Isolated rain showers after midnight.
Isolated snow showers early in the morning.
Chance of precipitation 20 percent.
Min temperature.....35-40.
24 hr trend......11 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph until 2100, then northeast 10 to 15 mph
and gusty.
Ridge top winds.....West around 25 mph until 2100, then northeast
15 to 20 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 30 mph until 2100, then north
around 20 mph until 2400, then northeast.
Mixing Height.......8400-8600 ft agl until 2100, then 800-1400 ft
agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........4.
.MONDAY...
Sky/weather.........Mostly cloudy. Numerous rain showers and snow
showers in the morning, then snow showers early
in the afternoon. Rain showers and isolated
thunderstorms in the afternoon. Little or no
snow accumulation. Chance of precipitation 90
percent.
Max temperature.....42-47.
24 hr trend......20 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......40 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 0900, then south
until 1200, then east.
LAL.................1 until 1200, then 3.
Chc of wetting rain.30 percent until 1200, then 85 percent.
Transport winds.....East 10 to 15 mph.
Mixing Height.......800-2200 ft agl until 1200, then 2400-3000 ft
agl.
Smoke dispersal.....Poor.
Haines Index........2.
.Forecast days 3 through 7......
.MONDAY NIGHT...Showers and scattered thunderstorms in the
evening, then showers and slight chance of thunderstorms after
midnight. Lows in the mid 30s. Northeast winds around 10 mph.
.TUESDAY...Showers, snow showers and chance of thunderstorms.
Lows in the lower 30s. Highs around 40. Winds generally less than
10 mph.
.WEDNESDAY...Warmer. Partly cloudy with slight chance of showers
and snow showers. Lows in the upper 30s. Highs in the mid 50s.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the mid 30s. Highs around
60. Southwest winds around 15 mph.
.FRIDAY...Cooler. Partly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows in the mid 30s.
Highs around 50.
.SATURDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers in the afternoon. Highs in the
upper 50s.
$$