Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Sidney-Richland (KSDY)

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

Partly Cloudy

12°F

-11°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 01 Dec 10:35 PM MST
Extended Forecast for

8 Miles SSW Sidney MT

  • Tonight

    Tonight: A 20 percent chance of snow after 4am.  Cloudy, with a temperature rising to around 26 by 5am. South southwest wind 7 to 9 mph.

    Low: 12 °F

    Cloudy then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow before 7am, then a slight chance of freezing rain after 4pm.  Cloudy, with a high near 33. West wind 13 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow then
    Slight Chance
    Freezing Rain

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around -7. North wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: -7 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 11. Wind chill values between -10 and -20. North northwest wind around 6 mph becoming calm.

    High: 11 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -2. South southwest wind 5 to 7 mph.

    Low: -2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 31. West wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of freezing rain before 8pm, then a slight chance of snow.  Cloudy, with a low around 18. West wind 7 to 9 mph.  Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Cloudy, with a high near 30. North northwest wind around 10 mph.

    High: 30 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Cloudy, with a low around 5. Northeast wind around 7 mph.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 4am. Cloudy, with a temperature rising to around 26 by 5am. South southwest wind 7 to 9 mph.
Tuesday
A slight chance of snow before 7am, then a slight chance of freezing rain after 4pm. Cloudy, with a high near 33. West wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Cloudy, with a low around -7. North wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 11. Wind chill values between -10 and -20. North northwest wind around 6 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around -2. South southwest wind 5 to 7 mph.
Thursday
Mostly cloudy, with a high near 31. West wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of freezing rain before 8pm, then a slight chance of snow. Cloudy, with a low around 18. West wind 7 to 9 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of snow after 11am. Cloudy, with a high near 30. North northwest wind around 10 mph.
Friday Night
A 50 percent chance of snow. Cloudy, with a low around 5. Northeast wind around 7 mph.
Saturday
A 30 percent chance of snow, mainly before 11am. Cloudy, with a high near 18. North northeast wind around 9 mph.
Saturday Night
A 20 percent chance of snow. Cloudy, with a low around -3. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Sidney MT
 47.61°N 104.24°W (Elev. 1972 ft)
1:51 pm MST Dec 1, 2025
10pm MST Dec 1, 2025-6pm MST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database