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

33°F

1°C

Humidity	99%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	13 Mar 06:45 PM MDT

More Information:

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

Extended Forecast for

Greenough MT

Winter Storm Warning March 13, 07:00pm until March 14, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 07:00pm until March 14, 12:00pm
NOW until 12:00pm Sat
Winter Storm Warning
Tonight
Low: 33 °F
Snow and
Patchy Fog
Saturday
High: 39 °F
Rain/Snow
then Snow
Saturday Night
Low: 11 °F
Snow then
Chance Snow
Sunday
High: 38 °F
Partly Sunny
Sunday Night
Low: 24 °F
Chance Snow
Monday
High: 45 °F
Rain/Snow
Likely and
Patchy Fog
then Chance
Rain
Monday Night
Low: 38 °F
Chance Rain
Tuesday
High: 53 °F
Slight Chance
Rain/Snow
then Slight
Chance Rain

Detailed Forecast

Tonight

Snow. Patchy fog between 11pm and 3am. Low around 33. Calm wind. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

Saturday

Rain and snow, becoming all snow after 10am. High near 39. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Snow, mainly before midnight. Low around 11. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Sunday

Partly sunny, with a high near 38. Calm wind becoming west around 5 mph in the afternoon.

Sunday Night

A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 24. Calm wind. Little or no snow accumulation expected.

Monday

Snow likely before 9am, then rain likely, possibly mixed with snow between 9am and noon, then a chance of rain after noon. Patchy fog before 9am. Snow level rising to 7000 feet in the afternoon. Otherwise, cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 38.

Tuesday

A slight chance of snow before 9am, then a slight chance of rain. Partly sunny, with a high near 53.

Tuesday Night

A slight chance of rain. Mostly cloudy, with a low around 37.

Wednesday

A slight chance of rain. Mostly sunny, with a high near 56.

Wednesday Night

Mostly cloudy, with a low around 36.

Thursday

Mostly sunny, with a high near 61.