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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Clear

27°F

-3°C

Humidity 92%
Wind Speed S 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 31 Dec 02:00 AM MST
Extended Forecast for

Sidney MT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 22. Southwest wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy freezing fog before 1pm. Mostly cloudy, with a high near 24. North northwest wind around 6 mph becoming east northeast in the afternoon.

    High: 24 °F

    Patchy
    Freezing Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 17. East wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 25. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25. Calm wind becoming east around 6 mph in the afternoon.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. East wind 3 to 5 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. East southeast wind 5 to 7 mph.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. East wind around 6 mph becoming west southwest after midnight.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 22. Southwest wind around 6 mph.
Wednesday
Patchy freezing fog before 1pm. Mostly cloudy, with a high near 24. North northwest wind around 6 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a steady temperature around 17. East wind around 5 mph becoming calm in the evening.
New Year's Day
Mostly sunny, with a high near 25. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 12. Light and variable wind.
Friday
Mostly cloudy, with a high near 25. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 14. East wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 33. East southeast wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 19. East wind around 6 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 38. West wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 19. West wind around 7 mph.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney MT
 47.72°N 104.16°W (Elev. 1962 ft)
Last Update:
7:40 pm MST Dec 30, 2025
Forecast Valid:
2am MST Dec 31, 2025-6pm MST Jan 6, 2026
 
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