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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Overcast

6°F

-14°C

Humidity 72%
Wind Speed SE 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 27 Jan 05:56 AM MST
Extended Forecast for

Sidney MT

  • Today

    Today: Partly sunny, with a high near 17. Wind chill values between zero and 10. Light and variable wind.

    High: 17 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 19. Calm wind becoming east around 6 mph in the afternoon.

    High: 19 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 11pm. Cloudy, with a low around 7. East wind 3 to 6 mph.

    Low: 7 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 20. East wind 3 to 7 mph.

    High: 20 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. East southeast wind 7 to 9 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. South southeast wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 8am, then a chance of rain between 8am and 11am. Partly sunny, with a high near 39. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 17. Wind chill values between zero and 10. Light and variable wind.
Tonight
Mostly cloudy, with a low around 3. Calm wind.
Wednesday
Partly sunny, with a high near 19. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of snow after 11pm. Cloudy, with a low around 7. East wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 20. East wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 4. East southeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 22. South southeast wind 9 to 15 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. South wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A chance of snow before 8am, then a chance of rain between 8am and 11am. Partly sunny, with a high near 39. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 21. West northwest wind 7 to 10 mph.
Sunday
Partly sunny, with a high near 36. West northwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
Last Update:
2:35 am MST Jan 27, 2026
Forecast Valid:
6am MST Jan 27, 2026-6pm MST Feb 2, 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