Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from December 6, 08:00 PM MST until December 7, 08:00 AM MST

Current conditions at

Comertown Turn-Off MT-5 MP 13.4 (MTCOM)

Lat: 48.81°NLon: 104.2529°WElev: 2359.0ft.

-6°F

-21°C

Humidity	69%
Wind Speed	E 3 MPH
Barometer	NA
Dewpoint	-14°F (-26°C)
Visibility	NA
Last update	06 Dec 06:30 PM MST

More Information:

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

Extended Forecast for

3 Miles WNW Westby MT

Cold Weather Advisory December 6, 08:00pm until December 7, 08:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: -11 °F
Increasing
Clouds
Sunday
High: 12 °F
Chance Snow
then Partly
Sunny
Sunday Night
Low: 3 °F⇑
Mostly Cloudy
Monday
High: 34 °F
Partly Sunny
and Breezy
Monday Night
Low: 21 °F
Chance
Freezing Rain
then Chance
Wintry Mix
Tuesday
High: 37 °F
Windy. Snow
Likely then
Chance Snow
Tuesday Night
Low: -3 °F
Mostly Cloudy
and Blustery
then Mostly
Cloudy
Wednesday
High: 13 °F
Slight Chance
Snow
Wednesday Night
Low: -4 °F
Chance Snow

Detailed Forecast

Tonight

Increasing clouds, with a low around -11. Wind chill values between -20 and -25. North northeast wind 5 to 11 mph becoming southeast after midnight.

Sunday

A 50 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 12. Wind chill values between -10 and -20. Southeast wind 8 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.

Sunday Night

Mostly cloudy, with a temperature falling to near 3 by 8pm, then rising to around 19 during the remainder of the night. Wind chill values between -10 and zero. South wind 8 to 11 mph.

Monday

Partly sunny, with a high near 34. Breezy, with a south southwest wind 14 to 22 mph becoming west in the morning. Winds could gust as high as 32 mph.

Monday Night

A chance of freezing rain between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 21. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

Tuesday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 37. Windy, with a south southwest wind 17 to 27 mph becoming northwest 27 to 37 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Tuesday Night

Mostly cloudy, with a low around -3. Blustery, with a north northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

Wednesday

A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 13. West northwest wind 9 to 14 mph becoming east in the morning. Winds could gust as high as 22 mph.

Wednesday Night

A 30 percent chance of snow, mainly before 11pm. Cloudy, with a low around -4. East northeast wind around 14 mph becoming north after midnight. Winds could gust as high as 21 mph.

Thursday

Mostly cloudy, with a high near 3. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.

Thursday Night

Mostly cloudy, with a low around -18. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.

Friday

Partly sunny and cold, with a high near -6.

Friday Night

A slight chance of snow. Mostly cloudy, with a low around -18.

Saturday

A slight chance of snow. Mostly cloudy, with a high near 11.