Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

-5°F

-21°C

Humidity 76%
Wind Speed W 0 MPH
Barometer NA
Dewpoint -11°F (-24°C)
Visibility NA
Last update 28 Dec 09:00 PM MST
Extended Forecast for

8 Miles NNE Lambert MT

  • Tonight

    Tonight: Clear, with a temperature falling to near -5 by 11pm, then rising to around 2 during the remainder of the night. Wind chill values between -10 and -15. West wind around 6 mph becoming south southwest after midnight.

    Low: -5 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values between -5 and 5. West wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 15. West wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. West wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. Southwest wind 6 to 9 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 24. Northwest wind around 10 mph becoming northeast in the afternoon.

    High: 24 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10. East wind around 7 mph.

    Low: 10 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 23. East northeast wind 5 to 7 mph becoming north northwest in the morning.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. East northeast wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a temperature falling to near -5 by 11pm, then rising to around 2 during the remainder of the night. Wind chill values between -10 and -15. West wind around 6 mph becoming south southwest after midnight.
Monday
Sunny, with a high near 25. Wind chill values between -5 and 5. West wind 7 to 16 mph, with gusts as high as 24 mph.
Monday Night
Increasing clouds, with a low around 15. West wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 33. West wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 16. Southwest wind 6 to 9 mph.
Wednesday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 24. Northwest wind around 10 mph becoming northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 10. East wind around 7 mph.
New Year's Day
Partly sunny, with a high near 23. East northeast wind 5 to 7 mph becoming north northwest in the morning.
Thursday Night
Mostly cloudy, with a low around 9. East northeast wind around 6 mph.
Friday
Partly sunny, with a high near 25. Northeast wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 10. East southeast wind around 10 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 24.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 10.
Sunday
Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
2:19 pm MST Dec 28, 2025
9pm MST Dec 28, 2025-6pm MST Jan 4, 2026
 
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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