National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

Clear

-21°F

-29°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.58 in (1035.56 mb)
Dewpoint -28°F (-33°C)
Visibility 10.00 mi
Last update 23 Jan 05:56 PM MST
Extended Forecast for

8 Miles SSW Sidney MT

Cold Weather Advisory January 23, 06:12pm until January 25, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 06:12pm until January 25, 01:00pm

    NOW until 1:00pm Sun

    Cold Weather Advisory

  • Tonight

    Low: -24 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 5. Wind chill values between -10 and -20. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 5 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -19. Wind chill values between -20 and -25. North wind around 6 mph.

    Low: -19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 2. Wind chill values between -20 and -30. Calm wind becoming west around 6 mph in the afternoon.

    High: 2 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7. South southwest wind 5 to 10 mph.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 23. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2. Northwest wind around 6 mph becoming calm in the evening.

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 20. Calm wind becoming west around 6 mph in the afternoon.

    High: 20 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around -24. Wind chill values between -25 and -35. Calm wind becoming south southwest around 6 mph.
Saturday
Increasing clouds, with a high near 5. Wind chill values between -10 and -20. Calm wind becoming north northeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around -19. Wind chill values between -20 and -25. North wind around 6 mph.
Sunday
Sunny, with a high near 2. Wind chill values between -20 and -30. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around -7. South southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 23. Southwest wind 10 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 2. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 20. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 7. West northwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 23. North northeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 6. East wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
Last Update:
1:50 pm MST Jan 23, 2026
Forecast Valid:
6pm MST Jan 23, 2026-6pm MST Jan 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation