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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sidney-Richland (KSDY)

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

light snow

27°F

-3°C

Humidity 92%
Wind Speed NW 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 25°F (-4°C)
Visibility 7.00 mi
Wind Chill20°F (-7°C)
Last update 05 Dec 07:35 AM MST
Extended Forecast for

Sidney MT

Winter Weather Advisory December 5, 08:00pm until December 6, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Cloudy, with a temperature rising to near 30 by 10am, then falling to around 18 during the remainder of the day. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 30 °F⇓

    Cloudy

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 6. Wind chill values between -5 and 5. Light northeast wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Slight Chance
    Snow then
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Cloudy, with a high near 13. Wind chill values between -5 and zero. Northeast wind around 10 mph, with gusts as high as 20 mph. New snow accumulation of 1 to 2 inches possible.

    High: 13 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0. Wind chill values between -5 and -10. Northeast wind around 6 mph becoming light and variable.

    Low: 0 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 22. Southeast wind around 6 mph becoming south southwest in the afternoon.

    High: 22 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. South southwest wind 3 to 6 mph.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. West wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow and freezing rain after 11pm. Mostly cloudy, with a low around 23. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Wintry
    Mix

  • Tuesday

    Tuesday: Snow likely before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 40. Breezy, with a west northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Cloudy, with a temperature rising to near 30 by 10am, then falling to around 18 during the remainder of the day. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tonight
Snow, mainly after 3am. Low around 6. Wind chill values between -5 and 5. Light northeast wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 13. Wind chill values between -5 and zero. Northeast wind around 10 mph, with gusts as high as 20 mph. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly cloudy, with a low around 0. Wind chill values between -5 and -10. Northeast wind around 6 mph becoming light and variable.
Sunday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 22. Southeast wind around 6 mph becoming south southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 7. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 35. West wind 8 to 14 mph, with gusts as high as 25 mph.
Monday Night
A chance of snow and freezing rain after 11pm. Mostly cloudy, with a low around 23. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Tuesday
Snow likely before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 40. Breezy, with a west northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%.
Tuesday Night
A slight chance of snow and freezing rain before 2am, then a slight chance of snow. Mostly cloudy, with a low around 9. Northwest wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Wednesday
A chance of snow and freezing rain. Partly sunny, with a high near 22. Northwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow and freezing rain. Mostly cloudy, with a low around 8.
Thursday
A chance of snow. Mostly cloudy, with a high near 22.
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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:
3:26 am MST Dec 5, 2025
Forecast Valid:
7am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation