Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

61°F

16°C

Humidity 88%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 07 Jul 10:15 AM MDT
Extended Forecast for

15 Miles SW Culbertson MT

Flood Watch July 7, 10:33am until July 8, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 7, 10:33am until July 8, 02:00am

    NOW until 2:00am Wed

    Flood Watch

  • Today

    High: 70 °F

    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 52. East wind 5 to 15 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Southeast wind 6 to 8 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 57. East southeast wind 7 to 10 mph.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southeast wind 6 to 8 mph.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 70. East wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 52. East wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Southeast wind 6 to 8 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 57. East southeast wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 87. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 57. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 89. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 62. Southeast wind 6 to 8 mph.
Saturday
Sunny and hot, with a high near 97. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 67. Southeast wind 6 to 8 mph.
Sunday
Sunny and hot, with a high near 99. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Culbertson MT
 47.96°N 104.71°W (Elev. 2198 ft)
5:36 am MDT Jul 7, 2026
10am MDT Jul 7, 2026-6pm MDT Jul 13, 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