Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

3°F

-16°C

Humidity 77%
Wind Speed NW 6 MPH
Barometer 30.66 in (1038.27 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 21 Feb 08:05 PM MST
Extended Forecast for

Sidney MT

  • Tonight

    Tonight: Clear, with a low around -6. Wind chill values between -10 and -15. North northeast wind 3 to 5 mph.

    Low: -6 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 20. Wind chill values between -10 and zero. Light northeast wind becoming east 5 to 10 mph in the morning.

    High: 20 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy during the early evening, then clearing, with a low around 10. Wind chill values between -5 and 5. South southeast wind around 10 mph.

    Low: 10 °F

    Clearing

  • Monday

    Monday: Sunny, with a high near 48. South southeast wind 8 to 10 mph becoming west southwest in the afternoon.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. West southwest wind 7 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am.  Mostly cloudy, with a high near 38. Northwest wind around 9 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 16. North northwest wind around 10 mph becoming west southwest after midnight.  Little or no snow accumulation expected.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 42. West northwest wind 11 to 20 mph, with gusts as high as 25 mph.

    High: 42 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind 14 to 16 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around -6. Wind chill values between -10 and -15. North northeast wind 3 to 5 mph.
Sunday
Increasing clouds, with a high near 20. Wind chill values between -10 and zero. Light northeast wind becoming east 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy during the early evening, then clearing, with a low around 10. Wind chill values between -5 and 5. South southeast wind around 10 mph.
Monday
Sunny, with a high near 48. South southeast wind 8 to 10 mph becoming west southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 27. West southwest wind 7 to 10 mph.
Tuesday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 38. Northwest wind around 9 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16. North northwest wind around 10 mph becoming west southwest after midnight. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 42. West northwest wind 11 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind 14 to 16 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 49. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph.
Thursday Night
Partly cloudy, with a low around 28. West wind around 18 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 44. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Saturday
A slight chance of snow. Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.72°N 104.16°W (Elev. 1962 ft)
5:34 pm MST Feb 21, 2026
8pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database