Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

53°F

12°C

Humidity 62%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 13 Apr 02:30 PM MDT
Extended Forecast for

Culbertson MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm.  Cloudy, with a high near 46. East wind around 9 mph.

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 11pm, then a slight chance of showers after midnight.  Cloudy, with a low around 37. East wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 64. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 64 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West wind 6 to 9 mph becoming south after midnight.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 41. West wind 5 to 9 mph becoming east northeast in the evening.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers.  Mostly cloudy, with a high near 54. Northeast wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 54 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight.  Mostly cloudy, with a low around 23. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 37. Northwest wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 37 °F

    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Cloudy, with a high near 46. East wind around 9 mph.
Tonight
A chance of showers before 11pm, then a slight chance of showers after midnight. Cloudy, with a low around 37. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 64. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 40. West wind 6 to 9 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 66. West southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. West wind 5 to 9 mph becoming east northeast in the evening.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 54. Northeast wind 9 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 23. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 37. Northwest wind 14 to 21 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 18. North northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 50. Northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Culbertson MT
 48.14°N 104.51°W (Elev. 1919 ft)
12:56 pm MDT Apr 13, 2026
2pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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