National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

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

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

NA

14°F

-10°C

Humidity 76%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill6°F (-14°C)
Last update 05 Mar 04:45 PM MST
Extended Forecast for

Westby MT

  • Tonight

    Tonight: A chance of snow between 7pm and 1am. Patchy freezing fog before 9pm, then patchy freezing fog after 2am. Mostly cloudy, with a low around 17. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    and Patchy
    Freezing Fog

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. Calm wind becoming west 5 to 9 mph in the evening.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Windy, with a west southwest wind 7 to 17 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 50 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 34 mph.

    Low: 36 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 5pm. Partly sunny, with a high near 54. Breezy, with a west southwest wind 20 to 29 mph becoming northwest in the afternoon. Winds could gust as high as 40 mph.

    High: 54 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 8pm, then a slight chance of snow. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow and
    Blustery then
    Slight Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow. Partly sunny, with a high near 37. Northwest wind 15 to 17 mph becoming east northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 37 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. East wind around 15 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow between 7pm and 1am. Patchy freezing fog before 9pm, then patchy freezing fog after 2am. Mostly cloudy, with a low around 17. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 22. Calm wind becoming west 5 to 9 mph in the evening.
Saturday
Mostly sunny, with a high near 50. Windy, with a west southwest wind 7 to 17 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 39 mph.
Saturday Night
Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 54. Breezy, with a west southwest wind 20 to 29 mph becoming northwest in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
A slight chance of rain before 8pm, then a slight chance of snow. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 37. Northwest wind 15 to 17 mph becoming east northeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. East wind around 15 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 33. East northeast wind 14 to 17 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 15. North wind 9 to 15 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Partly sunny, with a high near 41. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westby MT
 48.87°N 104.05°W (Elev. 1991 ft)
Last Update:
2:56 pm MST Mar 5, 2026
Forecast Valid:
5pm MST Mar 5, 2026-6pm MDT Mar 12, 2026
 
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