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° N Lon: 108.0752° W Elev: 3934.0 ft.

Clear

37°F

3°C

Humidity 61%
Wind Speed NW 13 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 09 Dec 10:53 PM MST
Detailed forecast for

North Bighorn Basin

Tonight
Mostly cloudy. Scattered snow showers after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph, becoming southeast after midnight. Chance of snow 30 percent.
Wednesday
Scattered snow showers in the morning. Mostly cloudy with scattered rain showers. Highs around 50. Southeast winds around 10 mph with gusts up to 20 mph. Chance of precipitation 30 percent.
Wednesday Night
Mostly cloudy. Lows in the mid 30s. South winds around 10 mph with gusts up to 20 mph.
Thursday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 50s. South winds around 10 mph, becoming southwest in the afternoon.
Thursday Night
Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of precipitation 30 percent.
Friday
Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Highs in the lower 40s. Chance of snow 30 percent.
Friday Night
Partly cloudy. A slight chance of. Lows in the lower 20s.
Saturday
Partly cloudy. Highs around 40.
Saturday Night
Partly cloudy in the evening, then clearing. Lows in the lower 20s.
Sunday
Partly cloudy. Highs around 50.
Sunday Night
Partly cloudy. Lows in the upper 20s.
Monday
Partly cloudy. Highs around 50.
Monday Night
Partly cloudy. Lows around 30.
Tuesday
Partly cloudy. Highs around 50.



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947 PM MST Tue Dec 9 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database