Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

31°F

-1°C

Humidity	85%
Wind Speed	ESE 6 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	07 Dec 05:53 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Greybull/S Big Horn Airport WY

Tonight
Low: 21 °F
Isolated Snow
Showers then
Partly Cloudy
Monday
High: 43 °F
Patchy Fog
then Partly
Sunny
Monday Night
Low: 27 °F
Mostly Cloudy
Tuesday
High: 48 °F
Slight Chance
Showers
Tuesday Night
Low: 26 °F
Chance
Rain/Snow
Wednesday
High: 44 °F
Rain/Snow
Likely then
Showers
Likely
Wednesday Night
Low: 26 °F
Rain/Snow
Likely
Thursday
High: 38 °F
Chance
Rain/Snow
Thursday Night
Low: 13 °F
Chance Snow
Showers

Detailed Forecast

Tonight

Isolated snow showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 21. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.

Monday

Patchy fog between 9am and 10am. Otherwise, increasing clouds, with a high near 43. East southeast wind 5 to 7 mph.

Monday Night

Mostly cloudy, with a low around 27. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

Tuesday

A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 48. Southeast wind 6 to 10 mph becoming north northwest in the afternoon.

Tuesday Night

A chance of rain showers before 11pm, then a chance of rain and snow showers. Cloudy, with a low around 26. North northwest wind around 7 mph becoming southeast after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

Rain likely, possibly mixed with snow showers, becoming all rain after 11am. Mostly cloudy, with a high near 44. Southeast wind around 6 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

Wednesday Night

Rain showers likely before 11pm, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 26. North northwest wind around 8 mph. Chance of precipitation is 60%.

Thursday

A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

Thursday Night

A 40 percent chance of snow showers. Mostly cloudy, with a low around 13.

Friday

A 20 percent chance of snow showers before 11am. Mostly cloudy, with a high near 28.

Friday Night

Mostly cloudy, with a low around 11.

Saturday

Mostly sunny, with a high near 35.

Saturday Night

Partly cloudy, with a low around 15.