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

Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

25°F

-4°C

Humidity 92%
Wind Speed S 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 11 Feb 12:20 AM MST
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Mostly clear, with a low around 22. South southwest wind around 6 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. South southwest wind around 6 mph becoming calm in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Southwest wind 3 to 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. West wind 5 to 9 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West southwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. West wind 6 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. West southwest wind 3 to 6 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 22. South southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 47. South southwest wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 21. Calm wind.
Thursday
Sunny, with a high near 48. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 22. Southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 49. West wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 25. West southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 49. West wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 26. West southwest wind 3 to 6 mph.
Sunday
Mostly cloudy, with a high near 47. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 27. East southeast wind around 5 mph.
Washington's Birthday
Partly sunny, with a high near 48.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26.
Tuesday
A chance of snow. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.71°N 104.19°W (Elev. 1998 ft)
Last Update:
12:08 am MST Feb 11, 2026
Forecast Valid:
12am MST Feb 11, 2026-6pm MST Feb 17, 2026
 
Forecast Discussion
 
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