Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

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

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

NA

29°F

-2°C

Humidity 78%
Wind Speed NE 9 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 18 Apr 09:01 PM MDT
Extended Forecast for

3 Miles WNW Westby MT

  • Tonight

    Tonight: Partly cloudy, with a low around 22. North northeast wind 5 to 15 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51. East northeast wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. South wind 15 to 20 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 67. South southwest wind 14 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. North northwest wind 9 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southeast wind 11 to 18 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. West southwest wind 11 to 14 mph becoming east southeast in the evening.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Breezy, with an east southeast wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 76 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 37. Windy, with an east wind 28 to 31 mph becoming north after midnight. Winds could gust as high as 39 mph.

    Low: 37 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. North northeast wind 5 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 51. East northeast wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 36. South wind 15 to 20 mph, with gusts as high as 28 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 67. South southwest wind 14 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 38. North northwest wind 9 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 77. South southeast wind 11 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 48. West southwest wind 11 to 14 mph becoming east southeast in the evening.
Wednesday
Partly sunny, with a high near 76. Breezy, with an east southeast wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37. Windy, with an east wind 28 to 31 mph becoming north after midnight. Winds could gust as high as 39 mph.
Thursday
Rain showers likely before 9am, then rain and snow showers likely. Mostly cloudy, with a high near 46. Very windy, with a north wind 32 to 40 mph, with gusts as high as 50 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Windy, with a north northwest wind 29 to 38 mph, with gusts as high as 48 mph. Chance of precipitation is 40%.
Friday
A slight chance of snow showers. Partly sunny, with a high near 38. Windy.
Friday Night
Mostly cloudy, with a low around 23. Blustery.
Saturday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Westby MT
 48.89°N 104.12°W (Elev. 2165 ft)
3:51 pm MDT Apr 18, 2026
9pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database