Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

17°F

-8°C

Humidity 85%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill7°F (-14°C)
Last update 18 Apr 05:00 AM MDT
Extended Forecast for

Culbertson MT

  • Today

    Today: A slight chance of showers between 1pm and 2pm.  Increasing clouds, with a high near 49. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    High: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 23. Northwest wind 12 to 17 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.

    Low: 23 °F

    Mostly 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 slight chance of showers between 1pm and 2pm. Increasing clouds, with a high near 49. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 23. Northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 26 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)
5:11 am MDT Apr 18, 2026
5am MDT Apr 18, 2026-6pm MDT Apr 24, 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