Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

39°F

4°C

Humidity	60%
Wind Speed	NW 16 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	09 Dec 06:05 PM MST

More Information:

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

Extended Forecast for

9 Miles ESE Shell WY

Winter Weather Advisory December 9, 06:16pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 9, 06:16pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Tonight
Low: 26 °F
Mostly Cloudy
and Blustery
then
Scattered
Snow Showers
Wednesday
High: 42 °F
Scattered
Snow Showers
then
Scattered
Rain/Snow
Wednesday Night
Low: 37 °F
Slight Chance
Showers then
Mostly Cloudy
Thursday
High: 44 °F
Chance
Rain/Snow
Thursday Night
Low: 29 °F
Chance
Rain/Snow
then Chance
Snow Showers
Friday
High: 38 °F
Chance Snow
Showers then
Partly Sunny
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 34 °F
Slight Chance
Snow Showers
then Mostly
Sunny

Detailed Forecast

Tonight

Scattered snow showers, mainly after 3am. Mostly cloudy, with a low around 26. Blustery, with a north northwest wind 16 to 21 mph becoming east 8 to 13 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Scattered snow showers before noon, then scattered rain and snow showers between noon and 2pm, then scattered rain showers after 2pm. Snow level rising to 8400 feet in the afternoon. Mostly cloudy, with a high near 42. South southeast wind around 9 mph becoming west southwest in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

Wednesday Night

A 20 percent chance of showers before 11pm. Snow level 8400 feet lowering to 7800 feet after midnight . Mostly cloudy, with a low around 37. South southwest wind around 9 mph.

Thursday

A chance of rain and snow showers, mainly after 5pm. Snow level 7300 feet. Partly sunny, with a high near 44. West southwest wind around 9 mph. Chance of precipitation is 30%.

Thursday Night

A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 29. West northwest wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

Friday

A 30 percent chance of snow showers before 11am. Partly sunny, with a high near 38. West southwest wind around 6 mph.

Friday Night

Partly cloudy, with a low around 27. West southwest wind 7 to 9 mph.

Saturday

A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 34.

Saturday Night

Partly cloudy, with a low around 26.

Sunday

Mostly sunny, with a high near 44.

Sunday Night

Partly cloudy, with a low around 31.