Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

18°F

-8°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Last update 20 Jan 12:15 AM MST
Extended Forecast for

12 Miles WNW Darby MT

  • Overnight

    Overnight: Partly cloudy, with a low around 21. West southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 33. West wind 5 to 8 mph.

    High: 33 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West southwest wind 6 to 8 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. West southwest wind around 6 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. West southwest wind around 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 33. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 16. West southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 32. West southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 18. West southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 13.
Saturday
A slight chance of snow. Mostly sunny, with a high near 29.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Monday
Snow likely. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Darby MT
 46.11°N 114.39°W (Elev. 6086 ft)
2:06 pm MST Jan 19, 2026
12am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database