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 >

Current conditions at

Sidney-Richland (KSDY)

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

Overcast

10°F

-12°C

Humidity 78%
Wind Speed S 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 5°F (-15°C)
Visibility 9.00 mi
Wind Chill-2°F (-19°C)
Last update 07 Dec 07:35 AM MST
Extended Forecast for

Lambert MT

  • Today

    Today: A 40 percent chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values between -5 and 5. Southeast wind 5 to 7 mph becoming west northwest in the afternoon. Total daytime snow accumulation of less than a half inch possible.

    High: 21 °F

    Chance Snow
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 29 by 5am. Light south southwest wind becoming west southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 9 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. Breezy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.

    High: 37 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 28. Southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before 2pm, then a slight chance of snow. Mostly cloudy, with a high near 42. Windy, with a west northwest wind 24 to 29 mph increasing to 31 to 36 mph in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Windy. Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. West northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 23. Light and variable wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -2. East southeast wind around 11 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.

    Low: -2 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 7. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 7 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values between -5 and 5. Southeast wind 5 to 7 mph becoming west northwest in the afternoon. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a temperature rising to around 29 by 5am. Light south southwest wind becoming west southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 37. Breezy, with a west wind 18 to 23 mph, with gusts as high as 32 mph.
Monday Night
A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 28. Southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Tuesday
A chance of rain before 2pm, then a slight chance of snow. Mostly cloudy, with a high near 42. Windy, with a west northwest wind 24 to 29 mph increasing to 31 to 36 mph in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Partly cloudy, with a low around 6. West northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Wednesday
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 23. Light and variable wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -2. East southeast wind around 11 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.
Thursday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 7. Northwest wind 13 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around -17. Northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Friday
A 20 percent chance of snow. Partly sunny and cold, with a high near -1. Northwest wind 7 to 9 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around -12.
Saturday
A chance of snow. Mostly cloudy, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lambert MT
 47.69°N 104.62°W (Elev. 2451 ft)
Last Update:
2:16 am MST Dec 7, 2025
Forecast Valid:
7am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation