Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

35°F

2°C

Humidity	99%
Wind Speed	WNW 5 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	31°F (-1°C)
Last update	13 Mar 02:15 PM MDT

More Information:

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

Extended Forecast for

5 Miles SSE Greenough MT

Winter Storm Warning March 13, 02:40pm until March 14, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 02:40pm until March 14, 12:00pm
NOW until 12:00pm Sat
Winter Storm Warning
This Afternoon
High: 37 °F
Heavy Snow
Tonight
Low: 30 °F
Heavy Snow
Saturday
High: 33 °F⇓
Heavy Snow
Saturday Night
Low: 12 °F
Heavy Snow
then Chance
Snow
Sunday
High: 31 °F
Partly Sunny
then Slight
Chance Snow
Sunday Night
Low: 25 °F
Chance Snow
Monday
High: 41 °F
Snow Likely
then Chance
Rain/Snow
Monday Night
Low: 37 °F
Chance Rain
then Chance
Rain/Snow

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 37. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 30. West southwest wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Saturday

Snow. The snow could be heavy at times. Temperature rising to near 33 by 9am, then falling to around 25 during the remainder of the day. West wind 9 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday Night

Snow, mainly before midnight. The snow could be heavy at times. Low around 12. West wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Sunday

A 20 percent chance of snow after noon. Partly sunny, with a high near 31. West wind around 7 mph, with gusts as high as 18 mph.

Sunday Night

A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 25. New snow accumulation of less than a half inch possible.

Monday

Snow likely before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 37.

Tuesday

A chance of rain and snow before 9am, then a chance of rain. Snow level 6700 feet rising to 7800 feet in the afternoon. Partly sunny, with a high near 49.

Tuesday Night

A slight chance of rain. Mostly cloudy, with a low around 38.

Wednesday

A slight chance of rain. Mostly sunny, with a high near 53.

Wednesday Night

Mostly cloudy, with a low around 38.

Thursday

A slight chance of rain and snow. Mostly sunny, with a high near 57.