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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

63°F

17°C

Humidity 16%
Wind Speed NW 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Apr 04:35 PM MDT
Extended Forecast for

14 Miles ENE Darby MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. West southwest wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. South wind around 7 mph, with gusts as high as 18 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming south after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. South southeast wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. West wind 6 to 8 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight. Cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West southwest wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 54. South wind around 7 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 59. South southeast wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 6 to 8 mph becoming east in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A chance of rain before noon, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 46.
Wednesday Night
Rain and snow, becoming all snow after midnight. Cloudy, with a low around 30.
Thursday
Snow. Mostly cloudy, with a high near 34.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A slight chance of snow. Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Darby MT
 46.09°N 113.9°W (Elev. 7303 ft)
Last Update:
2:01 pm MDT Apr 18, 2026
Forecast Valid:
4pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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