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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

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

NA

15°F

-9°C

Humidity 64%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Wind Chill7°F (-14°C)
Last update 29 Dec 08:45 AM MST
Extended Forecast for

8 Miles NNE Lambert MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 33. West wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 33 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. West wind 7 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 24. Northwest wind 6 to 10 mph becoming east in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. East southeast wind around 6 mph becoming south after midnight.

    Low: 13 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 24. North northwest wind around 7 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. Light and variable wind becoming east around 5 mph after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 23. East wind around 7 mph.

    High: 23 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. East southeast wind around 6 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32. Southeast wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 33. West wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 17. West wind 7 to 10 mph.
Wednesday
Mostly cloudy, with a high near 24. Northwest wind 6 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 13. East southeast wind around 6 mph becoming south after midnight.
New Year's Day
Mostly sunny, with a high near 24. North northwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 13. Light and variable wind becoming east around 5 mph after midnight.
Friday
Mostly cloudy, with a high near 23. East wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 14. East southeast wind around 6 mph.
Saturday
Partly sunny, with a high near 32. Southeast wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 20. East southeast wind 8 to 10 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 37. West wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Lambert MT
 47.78°N 104.57°W (Elev. 2500 ft)
Last Update:
1:16 pm MST Dec 30, 2025
Forecast Valid:
2pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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