Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

62°F

17°C

Humidity 27%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 15 Apr 05:45 PM MDT
Extended Forecast for

Culbertson MT

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am.  Cloudy, then gradually becoming partly cloudy, with a low around 36. West southwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after 1pm.  Mostly cloudy, with a high near 48. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of snow showers.  Mostly cloudy, with a low around 20. North northwest wind 9 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 36. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. North northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. South southeast wind 7 to 9 mph.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 36. West southwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 48. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
A chance of rain showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 20. North northwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 36. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 19. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 49. West wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 25. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 63. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 38. South southeast wind 7 to 9 mph.
Monday
Sunny, with a high near 71. South southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming east after midnight.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
3:51 pm MDT Apr 15, 2026
6pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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