Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

12°F

-11°C

Humidity 83%
Wind Speed ESE 20 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill-6°F (-21°C)
Last update 30 Jan 05:30 AM MST
Extended Forecast for

8 Miles NNE Lambert MT

Winter Weather Advisory January 30, 08:00pm until January 31, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Partly sunny, with a high near 23. Wind chill values between -5 and 5. Southeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Snow and freezing rain likely before 2am, then freezing rain likely, possibly mixed with snow and sleet between 2am and 3am, then freezing rain likely after 3am.  Mostly cloudy, with a temperature rising to around 31 by 5am. South wind around 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible.  Little or no snow and sleet accumulation expected.

    Low: 19 °F

    Slight Chance
    Freezing Rain
    then Wintry
    Mix Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 41. Breezy, with a southwest wind 17 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 39 mph.

    High: 41 °F

    Breezy.
    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 32 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. West northwest wind 5 to 9 mph becoming south southeast in the afternoon.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Southeast wind 6 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 42. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 42 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A slight chance of rain and snow before 11pm, then a slight chance of freezing rain between 11pm and 2am, then a slight chance of snow after 2am.  Mostly cloudy, with a low around 24. West northwest wind 11 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Wintry Mix

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 23. Wind chill values between -5 and 5. Southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
Snow and freezing rain likely before 2am, then freezing rain likely, possibly mixed with snow and sleet between 2am and 3am, then freezing rain likely after 3am. Mostly cloudy, with a temperature rising to around 31 by 5am. South wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.
Saturday
A 40 percent chance of rain before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 41. Breezy, with a southwest wind 17 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 39 mph.
Saturday Night
Partly cloudy, with a low around 23. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 32 mph.
Sunday
Partly sunny, with a high near 35. West northwest wind 5 to 9 mph becoming south southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 24. Southeast wind 6 to 10 mph.
Monday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 42. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Monday Night
A slight chance of rain and snow before 11pm, then a slight chance of freezing rain between 11pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 24. West northwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 36. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 19. West northwest wind 7 to 10 mph.
Wednesday
Mostly sunny, with a high near 40. Southwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
3:07 am MST Jan 30, 2026
5am MST Jan 30, 2026-6pm MST Feb 5, 2026
 
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Additional Resources

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