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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

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 53%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Apr 01:30 PM MDT
Extended Forecast for

Culbertson MT

  • This Afternoon

    This Afternoon: Sunny early, then becoming partly sunny, with a high near 65. North northwest wind around 14 mph, with gusts as high as 21 mph.

    High: 65 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 36. Northeast wind 9 to 15 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers. High near 46. East wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 46 °F

    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers, mainly before midnight. Cloudy, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 36 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West wind 5 to 10 mph becoming south after midnight.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. West southwest wind 6 to 10 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 34. West wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 9am, then a chance of rain and snow showers. Mostly cloudy, with a high near 45. North wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny early, then becoming partly sunny, with a high near 65. North northwest wind around 14 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 36. Northeast wind 9 to 15 mph, with gusts as high as 21 mph.
Monday
Showers. High near 46. East wind 8 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers, mainly before midnight. Cloudy, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 40. West wind 5 to 10 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 65. West southwest wind 6 to 10 mph.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 34. West wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain showers before 9am, then a chance of rain and snow showers. Mostly cloudy, with a high near 45. North wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 21. North northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 39. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
Last Update:
1:41 pm MDT Apr 12, 2026
Forecast Valid:
1pm MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation