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

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

32°F

0°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Dec 12:55 PM MST
Extended Forecast for

13 Miles ENE Darby MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. South wind around 6 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. South southeast wind around 7 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. South wind around 7 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. South southeast wind around 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 11am.  Mostly cloudy, with a high near 32. South southwest wind around 6 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Cloudy, with a low around 28.

    Low: 28 °F

    Cloudy

  • Friday

    Friday: A chance of snow before 2pm, then a slight chance of rain and snow.  Mostly cloudy, with a high near 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 32 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 32. South wind around 6 mph.
Tonight
Mostly clear, with a low around 26. South southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 35. South wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 25. South southeast wind around 7 mph.
New Year's Day
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 32. South southwest wind around 6 mph.
Thursday Night
Cloudy, with a low around 28.
Friday
A chance of snow before 2pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow. Mostly cloudy, with a low around 29.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 22.
Sunday
A chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A chance of snow. Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Darby MT
 46.09°N 113.93°W (Elev. 6959 ft)
1:03 am MST Dec 30, 2025
1pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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