Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
Versions: 1 2 3
939
FNUS55 KRIW 230936
FWFRIW

Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
336 AM MDT Thu May 23 2024


.DISCUSSION...

...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...

Low pressure will continue to bring occasional snow into the
afternoon, with the highest amounts in the northern zones. Relative
humidity will remain well above critical levels. A gusty wind will
continue across the area, with the strongest wind in the southern
zones. Mixing and smoke dispersal will be generally fair to good
in the afternoon.

...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...

Low pressure will move across the area today and bring showers and
mountain snow. The heaviest rain and snow will fall in the northern
zones with smaller chances further south. Wind will become strong
at times, mainly in the afternoon into the southern zones and in
the evening in the northern zones. Relative humidity will remain
well above critical levels. Mixing and smoke dispersal will range
from good in the north to excellent in the south.

...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...

Low pressure will move across the area today and bring showers and
mountain snow roughly from Zones 289 and 280 and northward. The
steadiest and heaviest rain and snow will be in Zone 281. Strong
wind is likely today, most of the zones will see the strongest wind
in the afternoon. The exception will be Zone 281 where the strongest
wind will be in the evening. Relative humidity will remain above
critical levels. Mixing and smoke dispersal will be generally good
to excellent.

...Thunderstorms imply strong gusty and erratic winds...
...Haines Index is high level Haines both day and night...

WYZ280-241145-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of rain early in the afternoon.
                    Chance of rain late in the afternoon. Chance of
                    rain 50 percent.
Max temperature.....49-54.
   24 hr trend......10 degrees cooler.
Min humidity........26-32 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......Windy. West winds 25 to 30 mph. Gusts up to 35
                    mph until 0900, then 45 mph.
Ridge top winds.....West 30 to 35 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 30 to 35 mph until 1200, then around 40
                    mph.
Mixing Height.......600-800 ft agl until 0900. 8400-10000 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of rain and slight chance of snow in the
                    evening. Areas of frost after midnight.
                    Widespread frost early in the morning. Chance
                    of precipitation 50 percent.
Min temperature.....29-34.
   24 hr trend......10 degrees cooler.
Max humidity........84-90 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds around 25 mph with
                    gusts to around 35 mph until 2100, then west 10
                    to 15 mph with gusts to around 25 mph.
Ridge top winds.....Northwest around 25 mph until 2100, then west
                    around 15 mph until 0300, then southwest.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 35 mph until 2100. West around
                    15 mph after 2400.
Mixing Height.......4000-5000 ft agl until 2100, then 600-2200 ft
                    agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny.
Max temperature.....60-65.
   24 hr trend......11 degrees warmer.
Min humidity........19-25 percent.
   24 hr trend......7 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400 ft agl until 0900. 8200-8600 ft agl after
                    1500.
Smoke dispersal.....Poor until 1200, then very good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 40s. South winds
around 10 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 40. Highs in the lower 60s.
Northwest winds around 10 mph.
.SUNDAY...Partly cloudy with showers likely and slight chance of
thunderstorms. Lows around 40. Highs in the lower 60s. West winds
around 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 40s. Highs around 70.
Northwest winds around 10 mph.
.TUESDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
.WEDNESDAY...Mostly sunny. Highs around 80.

$$

WYZ283-241145-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain and snow. Chance of
                    precipitation 50 percent.
Max temperature.....47-52.
   24 hr trend......10 degrees cooler.
Min humidity........31-37 percent.
   24 hr trend......6 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph until 1500,
                    then northwest. Gusts up to 40 mph.
Ridge top winds.....West 25 to 30 mph until 1500, then north.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......800 ft agl until 0900. 7200-9200 ft agl after
                    1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain early in the evening.
                    Areas of frost after midnight. Widespread frost
                    early in the morning. Chance of rain 20
                    percent.
Min temperature.....29-34.
   24 hr trend......7 degrees cooler.
Max humidity........80-86 percent.
   24 hr trend......13 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 20 mph with gusts to around
                    30 mph until 2100, then southwest around 10 mph
                    and gusty until 2400, then downslope/downvalley
                    4-7 mph.
Ridge top winds.....North 15 to 20 mph until 2400, then southwest
                    around 10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph until 2100, then north
                    around 15 mph until 2400, then southwest.
Mixing Height.......3800-4800 ft agl until 2100, then 400-1800 ft
                    agl.
Smoke dispersal.....Good until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....59-64.
   24 hr trend......12 degrees warmer.
Min humidity........21-27 percent.
   24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......400-2200 ft agl until 1200. 7800-8200 ft agl
                    after 1500.
Smoke dispersal.....Poor to fair until 1500, then good to very
                    good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
lower 60s. Northwest winds around 10 mph.
.SUNDAY...Mostly clear with chance of showers and slight chance
of thunderstorms. Lows around 40. Highs in the lower 60s. West
winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.TUESDAY...Clear. Lows around 50. Highs in the upper 70s.
.WEDNESDAY...Mostly sunny. Highs around 80.

$$

WYZ285-241145-
South Bighorn Mountains-
336 AM MDT Thu May 23 2024

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain early in the morning. Chance of
                    snow in the morning, then snow, rain likely and
                    slight chance of thunderstorms in the
                    afternoon. Snow accumulation up to 3 inches.
                    Chance of precipitation 70 percent.
Max temperature.....40-45.
   24 hr trend......13 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Windy. West winds 25 to 30 mph. Gusts up to 35
                    mph until 0900, then 45 mph.
Ridge top winds.....West around 30 mph until 1500, then northwest.
LAL.................1 until 1200, then 2.
Chc of wetting rain.10 percent until 1200, then 55 percent.
Transport winds.....West 30 to 35 mph.
Mixing Height.......600 ft agl until 0900, then 4000-4600 ft agl
                    until 1200, then 6200-7600 ft agl until 1500,
                    then 4400-5400 ft agl.
Smoke dispersal.....Poor until 0900. Very good to excellent after
                    1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow
                    likely with possible rain and thunderstorms
                    early in the evening, then chance of snow and
                    slight chance of rain late in the evening. Snow
                    accumulation up to 1 inch. Chance of
                    precipitation 70 percent.
Min temperature.....26-31.
   24 hr trend......7 degrees cooler.
Max humidity........86-92 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph with gusts
                    to around 40 mph until 2400, then west around
                    15 mph and gusty.
Ridge top winds.....Northwest around 30 mph until 2100, then west
                    15 to 20 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....Northwest 25 to 30 mph until 2400, then 15 to
                    20 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny.
Max temperature.....52-57.
   24 hr trend......12 degrees warmer.
Min humidity........28-34 percent.
   24 hr trend......13 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-2000 ft agl until 1200. 5600-6200 ft agl
                    after 1500.
Smoke dispersal.....Fair to good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the mid 50s. Northwest winds around 10 mph.
.SUNDAY...Partly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the mid 50s. Northwest winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 40s. Highs in the lower
60s. Northwest winds around 10 mph.
.TUESDAY...Clear. Lows in the upper 40s. Highs in the upper 60s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.

$$

WYZ281-241145-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain. Slight chance of thunderstorms
                    in the afternoon. Rain late in the afternoon.
                    Chance of precipitation near 100 percent.
Max temperature.....48-53.
   24 hr trend......12 degrees cooler.
Min humidity........43-49 percent.
   24 hr trend......14 percent wetter.
20-foot winds.......Windy. West winds 20 to 25 mph with gusts to
                    around 40 mph until 1500, then northwest around
                    30 mph with gusts to around 45 mph.
Ridge top winds.....West 25 to 30 mph until 1500, then northwest.
LAL.................1 until 1200, then 2.
Chc of wetting rain.15 percent until 1200, then 50 percent.
Transport winds.....West 25 to 30 mph until 1500, then northwest
                    around 35 mph.
Mixing Height.......600 ft agl until 0900. 5400-7400 ft agl after
                    1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Rain
                    and slight chance of thunderstorms early in the
                    evening, then chance of rain late in the
                    evening. Areas of frost after midnight. Chance
                    of precipitation 90 percent.
Min temperature.....29-34.
   24 hr trend......11 degrees cooler.
Max humidity........83-89 percent.
   24 hr trend......12 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph with gusts
                    to around 40 mph until 2400, then west around
                    10 mph with gusts to around 15 mph.
Ridge top winds.....Northwest around 30 mph until 2100, then around
                    20 mph until 2400, then southwest 10 to 15 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.45 percent until 2400, then zero percent.
Transport winds.....Northwest around 35 mph until 2100. Around 15
                    mph after 2400.
Mixing Height.......800-2800 ft agl until 0300, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny.
Max temperature.....55-60.
   24 hr trend......10 degrees warmer.
Min humidity........31-37 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1500, then
                    northwest. Gusts up to 15 mph.
Ridge top winds.....Southwest around 15 mph until 1500, then
                    northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-2200 ft agl until 1200. 7200-7800 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows around 40. Winds generally
less than 10 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
lower 60s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with showers likely and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
Northwest winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 40s. Highs around 70.
Winds generally less than 10 mph.
.TUESDAY...Clear. Lows in the lower 50s. Highs in the upper 70s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.

$$

WYZ282-241145-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
336 AM MDT Thu May 23 2024

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy. Rain likely and chance of snow
                    in the morning, then rain and slight chance of
                    thunderstorms in the afternoon. No snow
                    accumulation. Chance of precipitation 90
                    percent.
Max temperature.....41-46.
   24 hr trend......15 degrees cooler.
Min humidity........51-57 percent.
   24 hr trend......21 percent wetter.
20-foot winds.......Breezy. West winds 15 to 20 mph with gusts to
                    around 30 mph until 1200, then northwest 20 to
                    25 mph with gusts to around 40 mph.
Ridge top winds.....West around 20 mph until 0900, then northwest
                    until 1500, then around 30 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.30 percent until 1200, then 70 percent.
Transport winds.....West 20 to 25 mph until 1500, then northwest
                    around 30 mph.
Mixing Height.......800 ft agl until 0900, then 3800-5800 ft agl
                    until 1500, then 3200-3600 ft agl.
Smoke dispersal.....Poor until 0900. Good to very good after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of rain and slight chance of
                    thunderstorms early in the evening, then slight
                    chance of rain late in the evening. Areas of
                    frost after midnight. Chance of precipitation
                    50 percent.
Min temperature.....25-30.
   24 hr trend......9 degrees cooler.
Max humidity........87-93 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 20 mph with gusts to
                    around 30 mph until 2100, then west around 10
                    mph and gusty until 2400, then southwest until
                    0300, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 15 to 20 mph until 2400, then south
                    around 10 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 25 mph until 2100, then around
                    15 mph until 2400, then west until 0300, then
                    south.
Mixing Height.......600-2600 ft agl until 0300, then 400-600 ft
                    agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny.
Max temperature.....53-58.
   24 hr trend......13 degrees warmer.
Min humidity........29-35 percent.
   24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....South around 10 mph until 1500, then east.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-2000 ft agl until 1200. 5800-6600 ft agl
                    after 1500.
Smoke dispersal.....Poor to fair.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cool. Mostly cloudy. Lows around 40. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
lower 60s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
Northwest winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the upper 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.TUESDAY...Clear. Lows in the lower 50s. Highs in the upper 70s.
.WEDNESDAY...Mostly sunny. Highs in the lower 80s.

$$

WYZ275-241145-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
336 AM MDT Thu May 23 2024

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy. Snow in the morning. Rain
                    through the day. Slight chance of thunderstorms
                    in the afternoon. Snow accumulation up to 2
                    inches. Chance of precipitation near 100
                    percent.
Max temperature.....38-43.
   24 hr trend......18 degrees cooler.
Min humidity........57-63 percent.
   24 hr trend......34 percent wetter.
20-foot winds.......Breezy. Northwest winds 15 to 20 mph with gusts
                    to around 35 mph until 1200, then around 25 mph
                    with gusts to around 40 mph.
Ridge top winds.....Northwest around 20 mph until 1200, then around
                    30 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.75 percent until 1200, then 85 percent.
Transport winds.....West around 20 mph until 1200, then northwest
                    around 30 mph.
Mixing Height.......1000 ft agl until 0900, then 2200-3600 ft agl.
Smoke dispersal.....Fair to good.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of rain and slight chance of
                    thunderstorms early in the evening, then slight
                    chance of rain late in the evening. Areas of
                    frost after midnight. Chance of precipitation
                    50 percent.
Min temperature.....24-29.
   24 hr trend......8 degrees cooler.
Max humidity........87-93 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
                    around 30 mph until 2400, then south around 10
                    mph with gusts to around 15 mph.
Ridge top winds.....North around 20 mph until 2100, then west
                    around 10 mph until 2400, then south.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 25 mph until 2100, then northwest
                    around 15 mph until 2400, then west until 0300,
                    then southeast.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny.
Max temperature.....52-57.
   24 hr trend......15 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......27 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
                    southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-1800 ft agl until 1200. 5600-6600 ft agl
                    after 1500.
Smoke dispersal.....Fair to good.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cool. Partly cloudy. Lows in the lower
40s. Winds generally less than 10 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
Northwest winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the upper 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s.

$$

WYZ276-241145-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
336 AM MDT Thu May 23 2024

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.TODAY...
Sky/weather.........Mostly cloudy. Snow likely in the morning. Rain
                    through the day. Snow and slight chance of
                    thunderstorms in the afternoon. Snow
                    accumulation up to 1 inch. Chance of
                    precipitation 90 percent.
Max temperature.....42-47.
   24 hr trend......15 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......17 percent wetter.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph until
                    1500, then north. Gusts up to 40 mph.
Ridge top winds.....Northwest 25 to 30 mph until 1500, then north.
LAL.................1 until 1200, then 2.
Chc of wetting rain.50 percent until 1200, then 70 percent.
Transport winds.....Northwest 25 to 30 mph.
Mixing Height.......800-1000 ft agl until 0900, then 2800-4800 ft
                    agl.
Smoke dispersal.....Poor until 0900, then good.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain, thunderstorms and snow
                    early in the evening. Areas of frost after
                    midnight. Widespread frost early in the
                    morning. Chance of precipitation 20 percent.
Min temperature.....29-34.
   24 hr trend......5 degrees cooler.
Max humidity........80-86 percent.
   24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph with gusts to around
                    25 mph until 2100, then southwest and gusty.
Ridge top winds.....North around 20 mph until 2100, then south 10
                    to 15 mph.
LAL.................2 until 2400, then 1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 20 mph until 2100, then around 10
                    mph until 2400, then southwest.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....55-60.
   24 hr trend......14 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......12 percent drier.
20-foot winds.......South winds around 10 mph until 1500, then
                    southeast. Gusts up to 15 mph.
Ridge top winds.....South around 15 mph until 1500, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......600-2200 ft agl until 1200. 7200-7800 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows around 40. Winds generally
less than 10 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
upper 50s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
West winds around 10 mph.
.MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the
upper 60s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.

$$

WYZ287-241145-
Owl Creek Mountains-
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of snow and rain in the morning, then
                    rain and snow likely in the afternoon. Snow
                    accumulation up to 1 inch. Chance of
                    precipitation 70 percent.
Max temperature.....40-45.
   24 hr trend......12 degrees cooler.
Min humidity........37-43 percent.
   24 hr trend......9 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph until 1200,
                    then north. Gusts up to 35 mph.
Ridge top winds.....West 25 to 30 mph until 1200, then north 20 to
                    25 mph.
LAL.................1.
Chc of wetting rain.5 percent until 1200, then 50 percent.
Transport winds.....West 25 to 30 mph until 1200, then northwest 20
                    to 25 mph.
Mixing Height.......600 ft agl until 0900, then 4200-4600 ft agl
                    until 1200, then 6400-6800 ft agl until 1500,
                    then 4600-4800 ft agl.
Smoke dispersal.....Poor until 0900, then good to very good.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of rain and slight chance of snow early
                    in the evening. Chance of precipitation 50
                    percent.
Min temperature.....26-31.
   24 hr trend......5 degrees cooler.
Max humidity........86-92 percent.
   24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph with gusts to around
                    30 mph until 2400, then southwest around 10 mph
                    with gusts to around 15 mph.
Ridge top winds.....North around 20 mph until 2100, then around 10
                    mph until 2400, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 25 mph until 2100, then around 15
                    mph until 2400, then southwest.
Mixing Height.......2800-3000 ft agl until 2100, then 600-1000 ft
                    agl.
Smoke dispersal.....Fair to good until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....52-57.
   24 hr trend......12 degrees warmer.
Min humidity........30-36 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
                    around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1200, then
                    southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-1800 ft agl until 1200. 7400-7600 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cool. Mostly cloudy. Lows around 40. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely and slight chance
of thunderstorms. Lows around 40. Highs in the mid 50s. Northwest
winds around 10 mph.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 40. Highs in the upper 50s.
Northwest winds around 10 mph.
.MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the
mid 60s. South winds around 10 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.

$$

WYZ286-241145-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Mostly cloudy. Snow. Snow accumulation up to 5
                    inches. Chance of snow near 100 percent.
Max temperature.....36-41.
   24 hr trend......9 degrees cooler.
Min humidity........51-57 percent.
   24 hr trend......13 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
                    around 35 mph.
Ridge top winds.....West 20 to 25 mph.
LAL.................1.
Chc of wetting rain.50 percent until 1200, then 60 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......800 ft agl until 0900, then 2800-4200 ft agl.
Smoke dispersal.....Poor until 0900, then good.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of snow early in the evening. Chance of
                    snow 50 percent.
Min temperature.....22-27.
   24 hr trend......2 degrees cooler.
Max humidity........83-89 percent.
   24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph
                    until 2400, then 20 mph.
Ridge top winds.....West around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2600-3000 ft agl until 2100, then 600-800 ft
                    agl.
Smoke dispersal.....Poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
                    becoming partly cloudy. Slight chance of
                    thunderstorms and snow showers in the
                    afternoon. Slight chance of rain showers in the
                    afternoon. Chance of precipitation 20 percent.
Max temperature.....46-51.
   24 hr trend......11 degrees warmer.
Min humidity........38-44 percent.
   24 hr trend......17 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2000 ft agl until 1200. 5800-6800 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200, then good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s. West winds
around 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. West winds around 10 mph.
.SUNDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. West winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the mid 30s. Highs in the upper
50s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 60s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ140-241145-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Cloudy. Snow until late afternoon, then snow
                    likely late in the afternoon. Chance of snow
                    late in the afternoon. Snow accumulation of 1
                    to 5 inches. Chance of snow near 100 percent.
Max temperature.....36-41.
   24 hr trend......4 degrees cooler.
Min humidity........60-66 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......West winds around 15 mph until 1200, then
                    northwest. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1200, then
                    northwest.
LAL.................1.
Chc of wetting rain.75 percent until 1200, then 65 percent.
Transport winds.....West 15 to 20 mph until 1500, then northwest.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of snow early in the evening.
                    Chance of snow 20 percent.
Min temperature.....23-28.
   24 hr trend......2 degrees cooler.
Max humidity........88-94 percent.
   24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty until 2400,
                    then southwest.
Ridge top winds.....West 10 to 15 mph until 2400, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 2400, then
                    southwest.
Mixing Height.......2800-3200 ft agl until 2100, then 600 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of rain showers,
                    thunderstorms and snow showers in the
                    afternoon. Chance of precipitation 20 percent.
Max temperature.....47-52.
   24 hr trend......10 degrees warmer.
Min humidity........40-46 percent.
   24 hr trend......21 percent drier.
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.
LAL.................1 until 1200, then 2.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-2200 ft agl until 1200, then 3800-5600 ft
                    agl.
Smoke dispersal.....Poor to fair until 1500, then good.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s. Winds
generally less than 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 40s. Winds generally less than 10 mph.
.MEMORIAL DAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 50s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.

$$

WYZ415-241145-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
336 AM MDT Thu May 23 2024

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON...

.TODAY...
Sky/weather.........Mostly cloudy. Snow likely in the morning, then
                    snow and chance of rain in the afternoon. Snow
                    accumulation up to 4 inches. Chance of
                    precipitation near 100 percent.
Max temperature.....35-40.
   24 hr trend......8 degrees cooler.
Min humidity........64-70 percent.
   24 hr trend......22 percent wetter.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
                    mph.
Ridge top winds.....West around 20 mph.
LAL.................1.
Chc of wetting rain.50 percent until 1200, then 40 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1000-2800 ft agl until 1200, then 3200-3400 ft
                    agl.
Smoke dispersal.....Fair to good.
Haines Index........2.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain and snow early in the
                    evening. Widespread frost after midnight.
                    Chance of precipitation 20 percent.
Min temperature.....20-25.
   24 hr trend......1 degree cooler.
Max humidity........89-95 percent.
   24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty until 0300,
                    then downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph until 0300, then south.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2100, then around 10
                    mph until 0300, then southwest.
Mixing Height.......2600-2800 ft agl until 2100, then 600 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny then
                    becoming partly cloudy.
Max temperature.....46-51.
   24 hr trend......11 degrees warmer.
Min humidity........43-49 percent.
   24 hr trend......22 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph and gusty.
Ridge top winds.....South around 10 mph until 1200, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......600-1800 ft agl until 1200, then 3800-5600 ft
                    agl.
Smoke dispersal.....Poor until 1500, then good.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Lows around 30. Winds generally
less than 10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the upper 40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with chance of snow showers, showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 40s. Winds generally less than 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 30s. Highs in the mid 50s.
Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.

$$

WYZ416-241145-
West Wind River Mountains/East Zone Bridger Teton NF-
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow in the morning,
                    then snow likely early in the afternoon. Chance
                    of snow late in the afternoon. Snow
                    accumulation up to 2 inches. Chance of snow 70
                    percent.
Max temperature.....33-38.
   24 hr trend......10 degrees cooler.
Min humidity........50-56 percent.
   24 hr trend......18 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to
                    around 35 mph.
Ridge top winds.....West around 25 mph.
LAL.................1.
Chc of wetting rain.17 percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1000-1200 ft agl until 0900, then 3200-5200 ft
                    agl.
Smoke dispersal.....Poor until 0900, then good to very good.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of snow early in the evening.
                    Chance of snow 20 percent.
Min temperature.....18-23.
   24 hr trend......2 degrees cooler.
Max humidity........85-91 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
                    around 25 mph until 0300, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph until 2400, then around
                    10 mph.
Mixing Height.......3200-3800 ft agl until 2100, then 400-800 ft
                    agl.
Smoke dispersal.....Fair to good until 2100, then poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....44-49.
   24 hr trend......12 degrees warmer.
Min humidity........36-42 percent.
   24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 0900, then west
                    until 1500, then southwest around 20 mph.
Mixing Height.......400-1800 ft agl until 1200. 6000-6400 ft agl
                    after 1500.
Smoke dispersal.....Poor to fair until 1500, then good.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Slight chance of snow showers
after midnight. Lows in the upper 20s. Winds generally less than
10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy with chance of snow showers, slight
chance of showers and thunderstorms. Lows in the upper 20s. Highs
in the upper 40s. West winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the lower 30s. Highs in the upper
50s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.

$$

WYZ288-241145-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of snow. Slight chance of snow late in
                    the afternoon. Chance of snow 50 percent.
Max temperature.....38-43.
   24 hr trend......9 degrees cooler.
Min humidity........42-48 percent.
   24 hr trend......11 percent wetter.
20-foot winds.......Windy. West winds 25 to 30 mph with gusts to
                    around 45 mph.
Ridge top winds.....West 30 to 35 mph until 1500, then northwest
                    around 25 mph.
LAL.................1.
Chc of wetting rain.7 percent.
Transport winds.....West 30 to 35 mph.
Mixing Height.......800-1000 ft agl until 0900. 5200-7000 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of snow early in the evening.
                    Chance of snow 20 percent.
Min temperature.....20-25.
   24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
   24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph with gusts to around
                    25 mph until 2100, then west and gusty.
Ridge top winds.....North around 20 mph until 2100, then west 10 to
                    15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph until 2100, then around
                    10 mph until 2400, then west.
Mixing Height.......4000-4600 ft agl until 2100, then 600-1200 ft
                    agl.
Smoke dispersal.....Good until 2100, then poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....47-52.
   24 hr trend......11 degrees warmer.
Min humidity........34-40 percent.
   24 hr trend......11 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
                    until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-2000 ft agl until 1200. 6600-7200 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200. Very good after 1500.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cold. Mostly cloudy. Slight chance of
showers and snow showers after midnight. Lows in the lower 30s.
Winds generally less than 10 mph.
.SATURDAY...Mostly cloudy with showers likely with possible snow
showers and thunderstorms. Lows in the lower 30s. Highs in the
upper 40s. West winds around 10 mph.
.SUNDAY...Mostly clear with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s. West winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the upper 30s. Highs in the upper
50s. West winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ414-241145-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Mostly cloudy. Chance of snow. Chance of rain
                    late in the afternoon. Slight chance of snow
                    late in the afternoon. Chance of precipitation
                    50 percent.
Max temperature.....35-40.
   24 hr trend......11 degrees cooler.
Min humidity........59-65 percent.
   24 hr trend......25 percent wetter.
20-foot winds.......West winds around 20 mph with gusts to around
                    35 mph.
Ridge top winds.....West 20 to 25 mph.
LAL.................1.
Chc of wetting rain.15 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4000-4800 ft
                    agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
                    good.
Haines Index........2.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of rain and snow early in the
                    evening. Widespread frost after midnight.
                    Chance of precipitation 20 percent.
Min temperature.....21-26.
   24 hr trend......1 degree cooler.
Max humidity........88-94 percent.
   24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
                    around 25 mph until 0300, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 15 to 20 mph until 2400, then west
                    around 10 mph until 0300, then south.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph until 2400, then west
                    around 10 mph until 0300, then southwest.
Mixing Height.......2800-3200 ft agl until 2100, then 600 ft agl.
Smoke dispersal.....Fair to good until 2100, then poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....47-52.
   24 hr trend......13 degrees warmer.
Min humidity........39-45 percent.
   24 hr trend......22 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
                    around 10 mph and gusty.
Ridge top winds.....Southwest 10 to 15 mph until 1500, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......600-2000 ft agl until 1200. 6800-7200 ft agl
                    after 1500.
Smoke dispersal.....Poor to fair until 1500, then good.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Winds generally less than
10 mph.
.SATURDAY...Mostly cloudy with showers, snow showers and slight
chance of thunderstorms. Lows in the lower 30s. Highs in the
upper 40s. West winds around 10 mph.
.SUNDAY...Mostly clear with chance of snow showers, slight chance
of showers and thunderstorms. Lows around 30. Highs in the upper
40s. West winds around 10 mph.
.MEMORIAL DAY...Clear. Lows in the mid 30s. Highs in the upper
50s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
.WEDNESDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.

$$

WYZ278-241145-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of snow in the morning. Chance of
                    snow late in the morning, then slight chance of
                    snow late in the afternoon. Chance of snow 50
                    percent.
Max temperature.....39-44.
   24 hr trend......11 degrees cooler.
Min humidity........40-46 percent.
   24 hr trend......12 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph. Gusts up to 30
                    mph until 0900, then 40 mph.
Ridge top winds.....West 25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1200-1400 ft agl until 0900. 6600-8000 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Partly cloudy. Widespread frost in the late
                    evening and overnight.
Min temperature.....23-28.
   24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
   24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
                    around 30 mph until 2400, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 15 to 20 mph until 2400, then around
                    10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph until 2100, then 10 to
                    15 mph.
Mixing Height.......5000-6200 ft agl until 2100, then 400-1400 ft
                    agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........2.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....53-58.
   24 hr trend......13 degrees warmer.
Min humidity........25-31 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest 10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph until 1500, then southwest
                    around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 0900, then southwest
                    until 1500, then around 20 mph.
Mixing Height.......400-2200 ft agl until 1200. 7600-8200 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200. Very good after 1500.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy with slight chance of showers. Lows
in the mid 30s. Winds generally less than 10 mph.
.SATURDAY...Mostly cloudy. Showers likely with possible snow
showers and thunderstorms. Lows in the lower 30s. Highs in the
upper 50s. West winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers, thunderstorms
and snow showers. Lows in the lower 30s. Highs in the upper 50s.
Northwest winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the upper 30s. Highs in the upper
60s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 40s.
Highs 71 to 76.

$$

WYZ277-241145-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow. Chance of
                    snow 20 percent.
Max temperature.....40-45.
   24 hr trend......12 degrees cooler.
Min humidity........37-43 percent.
   24 hr trend......16 percent wetter.
20-foot winds.......Breezy. West winds 20 to 25 mph. Gusts up to 30
                    mph until 0900, then 40 mph.
Ridge top winds.....West 25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 25 to 30 mph.
Mixing Height.......1400-1600 ft agl until 0900. 6600-7600 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Partly cloudy. Widespread frost late in the
                    evening.
Min temperature.....24-29.
   24 hr trend......2 degrees cooler.
Max humidity........83-89 percent.
   24 hr trend......1 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 15 to 20 mph until 2400, then around
                    10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph until 2100, then 10 to
                    15 mph.
Mixing Height.......5200-6000 ft agl until 2100, then 400-1000 ft
                    agl.
Smoke dispersal.....Very good until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....53-58.
   24 hr trend......14 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......12 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
                    southwest 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 0900, then
                    southwest.
Mixing Height.......400-2200 ft agl until 1200. 8200-8800 ft agl
                    after 1500.
Smoke dispersal.....Poor until 1200. Very good after 1500.
Haines Index........3.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Slight chance of showers in the
evening, then chance of showers after midnight. Lows in the mid
30s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Showers likely, slight chance of
thunderstorms and snow showers. Lows in the mid 30s. Highs in the
mid 50s. West winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 50s. West
winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the upper 30s. Highs in the upper
60s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s.
Highs in the lower 70s.

$$

WYZ279-241145-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow in the
                    late morning and afternoon. Chance of snow 20
                    percent.
Max temperature.....43-48.
   24 hr trend......11 degrees cooler.
Min humidity........26-32 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Windy. West winds 25 to 30 mph. Gusts up to 40
                    mph until 1200, then 45 mph.
Ridge top winds.....West 25 to 30 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 30 to 35 mph.
Mixing Height.......1000-1400 ft agl until 0900. 7400-9400 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Partly cloudy. Areas of frost after midnight.
                    Widespread frost after midnight.
Min temperature.....28-33.
   24 hr trend......7 degrees cooler.
Max humidity........76-82 percent.
   24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
                    around 35 mph until 2400, then around 10 mph
                    with gusts to around 15 mph until 0300, then
                    downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 25 mph until 2100, then 10 to
                    15 mph until 0300, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 30 mph until 2100, then 10 to
                    15 mph.
Mixing Height.......7200-7400 ft agl until 2100, then 400-1400 ft
                    agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....54-59.
   24 hr trend......12 degrees warmer.
Min humidity........27-33 percent.
   24 hr trend......3 percent drier.
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 1200, then around
                    20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then around
                    20 mph.
Mixing Height.......400 ft agl until 0900. 8000-8400 ft agl after
                    1500.
Smoke dispersal.....Poor until 1200. Very good after 1500.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Cloudy. Slight chance of showers in the evening,
then chance of showers after midnight. Lows around 40. Southwest
winds around 10 mph.
.SATURDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
West winds around 10 mph.
.SUNDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the mid 30s. Highs in the upper 50s. West
winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the lower 40s. Highs in the upper
60s. West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s.
Highs 73 to 78.

$$

WYZ289-241145-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow late in
                    the afternoon. Slight chance of rain late in
                    the afternoon. Chance of precipitation 20
                    percent.
Max temperature.....44-49.
   24 hr trend......11 degrees cooler.
Min humidity........26-32 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......Windy. West winds 25 to 30 mph with gusts to
                    around 45 mph.
Ridge top winds.....West 30 to 35 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 30 to 35 mph until 1200, then 35 to 40
                    mph.
Mixing Height.......1000-1200 ft agl until 0900. 8200-10200 ft agl
                    after 1200.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
Haines Index........3.

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain and snow
                    early in the evening. Widespread frost after
                    midnight. Chance of precipitation 20 percent.
Min temperature.....27-32.
   24 hr trend......7 degrees cooler.
Max humidity........85-91 percent.
   24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. North winds around 25 mph with gusts to
                    around 35 mph until 2100, then around 15 mph
                    with gusts to around 25 mph until 2400, then
                    west with gusts to around 15 mph.
Ridge top winds.....Northwest around 25 mph until 2100, then north
                    around 15 mph until 2400, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 30 mph until 2100. West 10 to
                    15 mph after 2400.
Mixing Height.......5800-6400 ft agl until 2100, then 400-2000 ft
                    agl.
Smoke dispersal.....Very good to excellent until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....55-60.
   24 hr trend......12 degrees warmer.
Min humidity........24-30 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph. 25 mph after
                    0900.
Ridge top winds.....Southwest 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400 ft agl until 0900. 8200-8600 ft agl after
                    1500.
Smoke dispersal.....Poor until 1200. Very good to excellent after
                    1500.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cool. Mostly cloudy with slight chance of
showers. Lows around 40. Southwest winds around 10 mph.
.SATURDAY...Mostly cloudy with showers likely and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
West winds around 10 mph.
.SUNDAY...Mostly clear with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 30s. Highs in
the upper 50s. West winds around 15 mph.
.MEMORIAL DAY...Clear. Lows in the lower 40s. Highs in the upper
60s. West winds around 10 mph.
.TUESDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.

$$

WYZ300-241145-
Casper Mountain-
336 AM MDT Thu May 23 2024

.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow late in
                    the afternoon. Chance of snow and rain late in
                    the afternoon. Chance of precipitation 30
                    percent.
Max temperature.....44-49.
   24 hr trend......9 degrees cooler.
Min humidity........28-34 percent.
   24 hr trend......3 percent wetter.
20-foot winds.......Windy. Southwest winds 25 to 30 mph with gusts
                    to around 45 mph until 1200, then west 30 to 35
                    mph with gusts to around 50 mph.
Ridge top winds.....West around 25 mph until 0900, then 35 to 40
                    mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph until 0900. Around 45 mph
                    after 1200.
Mixing Height.......600-800 ft agl until 0900. 9400-9800 ft agl
                    after 1500.
Smoke dispersal.....Poor until 0900. Excellent after 1500.
Haines Index........3.

.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of snow and rain early in the evening,
                    then slight chance of snow late in the evening.
                    Chance of precipitation 40 percent.
Min temperature.....27-32.
   24 hr trend......10 degrees cooler.
Max humidity........84-90 percent.
   24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Breezy. Northwest winds 20 to 25 mph with gusts
                    to around 35 mph until 2400, then west around
                    10 mph and gusty.
Ridge top winds.....Northwest 20 to 25 mph until 2400, then west
                    around 15 mph.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 35 mph until 2100. Around 15 mph
                    after 2400.
Mixing Height.......6600-7000 ft agl until 2100, then 800-2200 ft
                    agl.
Smoke dispersal.....Excellent until 2100, then poor.
Haines Index........3.

.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Max temperature.....55-60.
   24 hr trend......11 degrees warmer.
Min humidity........22-28 percent.
   24 hr trend......5 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
                    until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600 ft agl until 0900. 8400-8600 ft agl after
                    1500.
Smoke dispersal.....Poor until 1200. Excellent after 1500.
Haines Index........4.


.Forecast days 3 through 7......
.FRIDAY NIGHT...Not as cool. Mostly cloudy. Slight chance of
showers after midnight. Lows around 40. Winds generally less than
10 mph.
.SATURDAY...Mostly cloudy with showers likely and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the mid 50s.
West winds around 10 mph.
.SUNDAY...Partly cloudy with showers likely and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the mid 50s. West
winds around 10 mph.
.MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 60s. Winds generally less than 10 mph.
.TUESDAY...Clear. Lows in the upper 40s. Highs in the upper 60s.
.WEDNESDAY...Mostly sunny. Highs in the lower 70s.

$$