Severe Thunderstorms in the Southeast; Critical Fire Weather in the Northern Plains

Isolated severe storms with locally damaging wind gusts and hail are possible from the coastal Carolinas into the Florida Peninsula, and along the central Gulf Coast. Heavy rain may cause localized areas of flash flooding in the Gulf Coast. Gusty winds and dry conditions may produce elevated to critical fire weather across the northern/central Plains. Record heat is expected in the West. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

78°F

26°C

Humidity 20%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index77°F (25°C)
Last update 11 May 12:00 PM MDT
Extended Forecast for

Culbertson MT

Red Flag Warning until May 11, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until May 11, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 46. Breezy, with a west northwest wind 21 to 26 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 39 mph.

    Low: 46 °F

    Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 39 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 87. Breezy, with a south southeast wind 13 to 18 mph becoming west northwest 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 87 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Breezy, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 44 mph.

    Low: 52 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms after 4pm. Patchy blowing dust after 4pm. Sunny early, then becoming partly sunny, with a high near 84. Breezy, with a west northwest wind 22 to 29 mph, with gusts as high as 41 mph.
Tonight
A 50 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 46. Breezy, with a west northwest wind 21 to 26 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
Sunny, with a high near 79. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 43. Northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 59. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 39 mph.
Thursday
Partly sunny, with a high near 87. Breezy, with a south southeast wind 13 to 18 mph becoming west northwest 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph.
Thursday Night
Partly cloudy, with a low around 52. Breezy, with a northwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 44 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 79. West wind 10 to 20 mph, with gusts as high as 31 mph.
Friday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. West northwest wind 12 to 17 mph becoming east northeast 6 to 11 mph in the evening. Winds could gust as high as 31 mph.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 78. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45.
Sunday
A slight chance of showers. Partly sunny, with a high near 69. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
3:26 am MDT May 11, 2026
12pm MDT May 11, 2026-6pm MDT May 17, 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