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

RONAN (RONM8)

Lat: 47.53639°NLon: 114.09889°WElev: 3068.0ft.

NA

20°F

-7°C

Humidity 92%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 30 Dec 07:31 AM MST
Extended Forecast for

9 Miles E St. Ignatius MT

  • Today

    Today: Mostly sunny, with a high near 27. West wind 7 to 10 mph.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind around 11 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. West southwest wind 7 to 11 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. West southwest wind 8 to 11 mph.

    Low: 16 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 23. West wind around 9 mph.

    High: 23 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm. Cloudy, with a low around 20. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Cloudy, with a high near 25. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 27. West wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 19. West wind around 11 mph.
Wednesday
Mostly sunny, with a high near 29. West southwest wind 7 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 16. West southwest wind 8 to 11 mph.
New Year's Day
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 23. West wind around 9 mph.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Cloudy, with a low around 20. New snow accumulation of less than one inch possible.
Friday
Snow likely. Cloudy, with a high near 25. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
Snow. Mostly cloudy, with a high near 24.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19.
Sunday
A chance of snow. Mostly cloudy, with a high near 22.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17.
Monday
A chance of snow. Mostly cloudy, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
8am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation