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. 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,mist

9°F

-13°C

Humidity 78%
Wind Speed NE 14 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 3°F (-16°C)
Visibility 4.00 mi
Wind Chill-7°F (-22°C)
Last update 06 Dec 07:35 AM MST
Extended Forecast for

Lambert MT

Winter Weather Advisory December 6, 07:58am until December 6, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 07:58am until December 6, 12:00pm

    NOW until 12:00pm Sat

    Winter Weather Advisory

  • Today

    High: 10 °F⇓

    Snow then
    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 2am. Cloudy, with a low around -4. Wind chill values between -10 and -15. East southeast wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    Low: -4 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Wind chill values between -5 and 5. Southeast wind 5 to 7 mph becoming west in the afternoon. New snow accumulation of less than one inch possible.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8. Southwest wind 5 to 9 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 28. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely before 2pm, then a chance of snow. Mostly cloudy, with a high near 39. Windy, with a west northwest wind 16 to 21 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Rain Likely
    and Breezy
    then Chance
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 8. Northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Today
Snow, mainly before noon. Temperature rising to near 10 by 11am, then falling to around 2 during the remainder of the day. Wind chill values between -5 and -10. Northeast wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
Tonight
A 50 percent chance of snow, mainly after 2am. Cloudy, with a low around -4. Wind chill values between -10 and -15. East southeast wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Wind chill values between -5 and 5. Southeast wind 5 to 7 mph becoming west in the afternoon. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 8. Southwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 37. West wind 13 to 18 mph, with gusts as high as 29 mph.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 28. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
Rain likely before 2pm, then a chance of snow. Mostly cloudy, with a high near 39. Windy, with a west northwest wind 16 to 21 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Partly cloudy, with a low around 8. Northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 26. Southwest wind 6 to 9 mph becoming east southeast in the afternoon.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 6. East wind around 9 mph becoming north northwest after midnight.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 12. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around -8.
Friday
A slight chance of snow. Mostly cloudy, with a high near 9.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.69°N 104.62°W (Elev. 2451 ft)
Last Update:
3:06 am MST Dec 6, 2025
Forecast Valid:
7am MST Dec 6, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation