Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

65°F

18°C

Humidity 50%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Jun 09:30 PM MDT
Extended Forecast for

14 Miles SSW Culbertson MT

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 52. East wind 14 to 18 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm.  Patchy fog between 2pm and 4pm. High near 68. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%.

    High: 68 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly before 8pm.  Mostly cloudy, with a low around 47. East southeast wind 5 to 8 mph becoming south southwest after midnight.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm.  Mostly cloudy, with a high near 69. West wind 5 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 69 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 46. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after noon.  Partly sunny, with a high near 68. West wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. North northwest wind 9 to 14 mph becoming light north  after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. East northeast wind around 6 mph becoming southeast after midnight.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 52. East wind 14 to 18 mph, with gusts as high as 29 mph.
Sunday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog between 2pm and 4pm. High near 68. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 47. East southeast wind 5 to 8 mph becoming south southwest after midnight.
Monday
A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Mostly cloudy, with a high near 69. West wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46. West wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of showers after noon. Partly sunny, with a high near 68. West wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 43. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Wednesday
Partly sunny, with a high near 72. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46. East northeast wind around 6 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 77. East southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. East southeast wind around 11 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Culbertson MT
 47.96°N 104.65°W (Elev. 2198 ft)
3:16 pm MDT Jun 20, 2026
9pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database