Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

44°F

7°C

Humidity 92%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 14 Apr 10:30 AM MDT
Extended Forecast for

Culbertson MT

  • Today

    Today: Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 6 to 10 mph becoming south in the evening.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 39. West wind 5 to 9 mph becoming east northeast after midnight.  Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain.  Mostly cloudy, with a high near 50. Northeast wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of snow.  Mostly cloudy, with a low around 23. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow before noon.  Mostly cloudy, with a high near 38. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 38 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Northwest wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 40. West wind 6 to 10 mph becoming south in the evening.
Wednesday
Partly sunny, with a high near 65. West wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 39. West wind 5 to 9 mph becoming east northeast after midnight. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 50. Northeast wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A chance of rain before 9pm, then a chance of snow. Mostly cloudy, with a low around 23. Northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 20. Northwest wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 46. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 60. South wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
9:11 am MDT Apr 14, 2026
10am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
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Additional Resources

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