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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Clear

63°F

17°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Aug 10:55 PM MDT
Extended Forecast for

3 Miles NW Darby MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 81. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. South wind around 6 mph.
Sunday
Sunny, with a high near 81. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Darby MT
 46.06°N 114.23°W (Elev. 4304 ft)
Last Update:
2:01 pm MDT Aug 22, 2026
Forecast Valid:
11pm MDT Aug 22, 2026-6pm MDT Aug 29, 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