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

Hydrologic Outlook

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

unknown precip

34°F

1°C

Humidity	99%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	07 Dec 10:32 PM MST

More Information:

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

Extended Forecast for

5 Miles SSE Greenough MT

Tonight
Low: 30 °F
Chance Snow
and Patchy
Blowing Snow
Monday
High: 38 °F
Snow
Monday Night
Low: 33 °F⇑
Rain/Snow
Tuesday
High: 38 °F
Snow then
Snow Likely
Tuesday Night
Low: 30 °F
Snow
Wednesday
High: 34 °F
Snow
Wednesday Night
Low: 24 °F
Snow Likely
Thursday
High: 27 °F
Snow Likely
Thursday Night
Low: 20 °F
Chance Snow

Detailed Forecast

Tonight

A 40 percent chance of snow after 11pm. Patchy blowing snow between 1am and 2am. Mostly cloudy, with a low around 30. West wind 15 to 17 mph, with gusts as high as 32 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

Monday

Snow, mainly after 11am. High near 38. West wind 9 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday Night

Rain and snow before 11pm, then rain between 11pm and 2am, then rain, possibly mixed with snow after 2am. Snow level 6000 feet rising to 6700 feet. Temperature rising to around 39 by 11pm. West southwest wind 9 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday

Snow. High near 38. West wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow, mainly after 11pm. Low around 30. Southwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Snow. High near 34. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow likely. Mostly cloudy, with a high near 27.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 20.

Friday

A chance of snow. Mostly cloudy, with a high near 32.

Friday Night

A chance of snow. Mostly cloudy, with a low around 29.