Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Sidney-Richland (KSDY)

Lat: 47.7°NLon: 104.2°WElev: 1985.0ft.

Overcast

25°F

-4°C

Humidity 73%
Wind Speed S 14 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 31 Jan 01:00 AM MST
Extended Forecast for

Sidney MT

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

    NOW until 2:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 16 °F

    Wintry Mix
    Likely and
    Patchy
    Freezing Fog

  • Saturday

    Saturday: Rain or freezing rain likely before noon, then a slight chance of rain between noon and 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a southwest wind 16 to 26 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 70%. Little or no ice accumulation expected.

    High: 43 °F

    Breezy.
    Rain/Freezing
    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 24. West northwest wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 35. West northwest wind 5 to 7 mph becoming light and variable  in the morning.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. East southeast wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 8am, then a slight chance of rain.  Partly sunny, with a high near 41. South wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm.  Mostly cloudy, with a low around 21. Northwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. West northwest wind 6 to 10 mph.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Overnight
Freezing rain likely, possibly mixed with snow, becoming all freezing rain after 2am. Patchy freezing fog between 2am and 4am. Cloudy, with a low around 16. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.
Saturday
Rain or freezing rain likely before noon, then a slight chance of rain between noon and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 43. Breezy, with a southwest wind 16 to 26 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.
Saturday Night
Increasing clouds, with a low around 24. West northwest wind 10 to 18 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 35. West northwest wind 5 to 7 mph becoming light and variable in the morning.
Sunday Night
Mostly cloudy, with a low around 22. East southeast wind around 6 mph.
Monday
A slight chance of snow before 8am, then a slight chance of rain. Partly sunny, with a high near 41. South wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 21. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 38. West northwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 21. West northwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 42. Southwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 29. West wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
8:06 pm MST Jan 30, 2026
1am MST Jan 31, 2026-6pm MST Feb 6, 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