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.

unknown precip

34°F

1°C

Humidity 92%
Wind Speed W 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 31 Jan 08:56 AM MST
Extended Forecast for

Sidney MT

Winter Weather Advisory January 31, 09:02am until January 31, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 31, 09:02am until January 31, 02:00pm

    NOW until 2:00pm Sat

    Winter Weather Advisory

  • Today

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West northwest wind 8 to 16 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 35. West northwest wind 5 to 7 mph becoming light and variable  in the afternoon.

    High: 35 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. East southeast wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 37. South southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.  Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Northwest wind 5 to 9 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. West northwest wind 3 to 8 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West northwest wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 11am. Cloudy early, then gradual clearing, with a high near 43. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 24. West northwest wind 8 to 16 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, with a high near 35. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. East southeast wind around 6 mph.
Monday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 37. South southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 38. West northwest wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 21. West northwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 30. West wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 47. West wind 11 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
1:34 am MST Jan 31, 2026
9am 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