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

PLAINS (PLAM8)

Lat: 47.46622°NLon: 114.87961°WElev: 2481.0ft.

NA

32°F

0°C

Humidity 72%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 30 Dec 01:26 PM MST
Extended Forecast for

Plains MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy
    then Patchy
    Fog

  • New Year's Day

    New Year's Day: Patchy fog before 7am. Otherwise, partly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain and snow after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Friday

    Friday: A 50 percent chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 35. Calm wind.
Tonight
Partly cloudy, with a low around 20. Calm wind.
Wednesday
Partly sunny, with a high near 38. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Calm wind.
New Year's Day
Patchy fog before 7am. Otherwise, partly sunny, with a high near 37. Calm wind.
Thursday Night
A slight chance of rain and snow after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Friday
A 50 percent chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 41.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33.
Saturday
Rain likely. Mostly cloudy, with a high near 44.
Saturday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level 3700 feet. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain and snow. Snow level 4000 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow. Snow level 3000 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plains MT
 47.47°N 114.87°W (Elev. 2933 ft)
Last Update:
1:02 pm MST Dec 30, 2025
Forecast Valid:
2pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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