Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

67°F

19°C

Humidity 53%
Wind Speed SE 13 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 23 Aug 05:30 AM MDT
Extended Forecast for

Culbertson MT

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 63. East southeast wind around 11 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm.  Partly sunny, with a high near 90. Southeast wind 13 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 59. East southeast wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West wind 8 to 18 mph, with gusts as high as 31 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West wind 11 to 17 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North northwest wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 25 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light north wind.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Light and variable wind becoming east around 6 mph in the evening.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 63. East southeast wind around 11 mph.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 90. Southeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 59. East southeast wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 86. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Mostly clear, with a low around 56. West wind 8 to 18 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 83. West wind 11 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 52. North northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 82. Light north wind.
Wednesday Night
Mostly clear, with a low around 53. Light and variable wind becoming east around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 87. East southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. East southeast wind 13 to 16 mph, with gusts as high as 28 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Saturday
A slight chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
4:05 am MDT Aug 23, 2026
5am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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