Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 12, 03:00 AM MDT until March 12, 06:00 PM MDT
Winter Storm Watch in effect from March 12, 06:00 PM MDT until March 14, 06:00 PM MDT

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

19°F

-7°C

Humidity	87%
Wind Speed	WNW 5 MPH
Barometer	NA
Dewpoint	16°F (-9°C)
Visibility	NA
Wind Chill	12°F (-11°C)
Last update	11 Mar 01:45 AM MDT

More Information:

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

Extended Forecast for

8 Miles NW Grass Range MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm

High Wind Warning March 12, 03:00am until March 12, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

High Wind Warning

Overnight
Low: 18 °F
Mostly Clear
Wednesday
High: 42 °F
Sunny then
Mostly Sunny
and Breezy
Wednesday Night
Low: 30 °F
Chance Snow
then Chance
Rain/Snow and
Breezy
Thursday
High: 49 °F
Windy. Chance
Rain then
Snow
Thursday Night
Low: 25 °F
Snow and
Blustery
Friday
High: 33 °F
Snow
Friday Night
Low: 20 °F
Snow
Saturday
High: 32 °F
Snow
Saturday Night
Low: 9 °F
Snow Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 18. West wind around 10 mph, with gusts as high as 18 mph.

Wednesday

Mostly sunny, with a high near 42. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

Wednesday Night

A chance of rain and snow before 3am, then a slight chance of rain between 3am and 5am. Mostly cloudy, with a low around 30. Breezy, with a west southwest wind 10 to 15 mph becoming west southwest 19 to 24 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday

A chance of rain before noon, then snow. High near 49. Windy, with a west wind 28 to 33 mph increasing to 34 to 39 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 25. Blustery, with a west wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 33. West northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow. Low around 20. North northeast wind 7 to 10 mph becoming southeast after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. Cloudy, with a high near 32. East southeast wind 8 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 9.

Sunday

A slight chance of snow. Partly sunny, with a high near 29.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 16.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 46.

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 36.