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

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

NA

-2°F

-19°C

Humidity 80%
Wind Speed SE 17 MPH
Barometer NA
Dewpoint -7°F (-22°C)
Visibility NA
Wind Chill-23°F (-31°C)
Last update 07 Dec 12:45 AM MST
Extended Forecast for

9 Miles WNW Lambert MT

  • Overnight

    Overnight: A 50 percent chance of snow after 2am. Cloudy, with a low around -3. Wind chill values between -10 and -15. Southeast wind around 11 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: -3 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values between -10 and zero. Southeast wind 6 to 9 mph becoming west northwest in the afternoon. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a temperature rising to around 31 by 5am. Wind chill values between zero and 5. South wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 10 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37. West wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 11pm, mixing with snow after 5am. Mostly cloudy, with a low around 28. Southwest wind 13 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow before 8am, then rain likely between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 41. Windy, with a west northwest wind 24 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Windy.
    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 25. East wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 25 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -1. North northwest wind 11 to 13 mph.

    Low: -1 °F

    Chance Snow

Detailed Forecast

Overnight
A 50 percent chance of snow after 2am. Cloudy, with a low around -3. Wind chill values between -10 and -15. Southeast wind around 11 mph. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values between -10 and zero. Southeast wind 6 to 9 mph becoming west northwest in the afternoon. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a temperature rising to around 31 by 5am. Wind chill values between zero and 5. South wind 6 to 13 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 37. West wind 17 to 21 mph, with gusts as high as 30 mph.
Monday Night
A chance of rain after 11pm, mixing with snow after 5am. Mostly cloudy, with a low around 28. Southwest wind 13 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Rain likely, possibly mixed with snow before 8am, then rain likely between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 41. Windy, with a west northwest wind 24 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Wednesday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 25. East wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -1. North northwest wind 11 to 13 mph.
Thursday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 7. Northwest wind 11 to 13 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -13. Northwest wind around 10 mph.
Friday
A chance of snow. Partly sunny and cold, with a high near -1.
Friday Night
A chance of snow. Mostly cloudy, with a low around -11.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 16.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Lambert MT
 47.75°N 104.81°W (Elev. 2657 ft)
Last Update:
2:04 pm MST Dec 6, 2025
Forecast Valid:
1am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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