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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

WEST FORK (WSFM8)

Lat: 45.81561°NLon: 114.2585°WElev: 4420.0ft.

NA

72°F

22°C

Humidity 38%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Sep 12:14 PM MDT
Extended Forecast for

14 Miles WNW Darby MT

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 52. Northwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 42. North wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Light and variable wind becoming south southeast around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Southwest wind around 5 mph becoming light and variable in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 52. Northwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 42. North wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 40. Light and variable wind becoming south southeast around 5 mph after midnight.
Sunday
Sunny, with a high near 57. Southwest wind around 5 mph becoming light and variable in the afternoon.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Darby MT
 46.08°N 114.45°W (Elev. 7795 ft)
Last Update:
12:22 pm MDT Sep 18, 2026
Forecast Valid:
1pm MDT Sep 18, 2026-6pm MDT Sep 24, 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