Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

26°F

-3°C

Humidity 96%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 01 Feb 09:00 PM MST
Extended Forecast for

15 Miles NNW Sidney MT

Winter Weather Advisory February 1, 11:00pm until February 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A slight chance of freezing rain between 1am and 2am, then a slight chance of snow after 2am.  Patchy freezing fog between midnight and 2am. Cloudy, with a low around 23. East southeast wind around 9 mph.  Chance of precipitation is 20%.

    Low: 23 °F

    Cloudy then
    Slight Chance
    Wintry Mix
    and Patchy
    Freezing Fog

  • Monday

    Monday: A chance of snow and freezing rain before 9am, then a chance of snow.  Patchy freezing fog before 8am. Cloudy, with a high near 34. Northwest wind 5 to 10 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Wintry
    Mix and
    Patchy
    Freezing Fog
    then Chance
    Snow

  • Monday Night

    Monday Night: A slight chance of snow before 7pm, then a slight chance of snow after 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 21. West southwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow before 10am, then a slight chance of rain.  Partly sunny, with a high near 38. West northwest wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. West wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. West wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of freezing rain between 1am and 2am, then a slight chance of snow after 2am. Patchy freezing fog between midnight and 2am. Cloudy, with a low around 23. East southeast wind around 9 mph. Chance of precipitation is 20%.
Monday
A chance of snow and freezing rain before 9am, then a chance of snow. Patchy freezing fog before 8am. Cloudy, with a high near 34. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow before 7pm, then a slight chance of snow after 11pm. Cloudy during the early evening, then gradual clearing, with a low around 21. West southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow before 10am, then a slight chance of rain. Partly sunny, with a high near 38. West northwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 33. West wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 49. West wind 14 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 24. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 41. Northwest wind 6 to 9 mph becoming south southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 25. Southeast wind around 9 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Sidney MT
 47.9°N 104.33°W (Elev. 2398 ft)
8:56 pm MST Feb 1, 2026
9pm MST Feb 1, 2026-6pm MST Feb 8, 2026
 
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Additional Resources

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