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

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

NA

43°F

6°C

Humidity 36%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 18 Apr 11:30 AM MDT
Extended Forecast for

Culbertson MT

  • Today

    Today: A 20 percent chance of showers.  Cloudy, with a high near 49. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 23. North northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 23 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind 6 to 10 mph becoming east southeast after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southeast wind 6 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West southwest wind 6 to 8 mph becoming east southeast in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. East wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Cloudy, with a high near 49. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 23. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 59. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 38. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 71. South southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 40. North wind 6 to 10 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 82. Southeast wind 6 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 49. West southwest wind 6 to 8 mph becoming east southeast in the evening.
Wednesday
Partly sunny, with a high near 81. East wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. South southeast wind around 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 53. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. Blustery.
Friday
A slight chance of rain and snow showers. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
8:46 am MDT Apr 18, 2026
11am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database