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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

Overcast

21°F

-6°C

Humidity 92%
Wind Speed E 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 19°F (-7°C)
Visibility 9.00 mi
Wind Chill14°F (-10°C)
Last update 01 Jan 07:20 PM MST
Extended Forecast for

8 Miles SSW Sidney MT

Dense Fog Advisory January 1, 07:37pm until January 2, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 1, 07:37pm until January 2, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 13 °F

    Patchy Dense
    Freezing Fog

  • Friday

    Friday: Patchy dense freezing fog between 7am and 8am. Cloudy, with a high near 25. Northeast wind around 5 mph becoming calm in the morning.

    High: 25 °F

    Patchy Dense
    Freezing Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. Light and variable wind.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25. Calm wind becoming east around 6 mph in the afternoon.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. South southeast wind around 7 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Southwest wind around 6 mph.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 43. West wind 5 to 8 mph.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Tonight
Patchy dense freezing fog. Cloudy, with a low around 13. East northeast wind 3 to 5 mph.
Friday
Patchy dense freezing fog between 7am and 8am. Cloudy, with a high near 25. Northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 11. Light and variable wind.
Saturday
Partly sunny, with a high near 25. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 18. South southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 23. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 43. West wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 19. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 39. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 24. West southwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 34.
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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:
2:13 pm MST Jan 1, 2026
Forecast Valid:
7pm MST Jan 1, 2026-6pm MST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation