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

59°F

15°C

Humidity 75%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 19 Sep 04:14 PM MDT
Extended Forecast for

Darby MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 65. North wind around 7 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northwest wind around 6 mph becoming calm.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. South southeast wind 5 to 7 mph becoming calm.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. South southeast wind 5 to 8 mph becoming light and variable.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 65. North wind around 7 mph.
Tonight
Mostly clear, with a low around 45. North northwest wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 74. South southeast wind 5 to 7 mph becoming calm.
Sunday Night
Mostly clear, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight.
Monday
Sunny, with a high near 79. South southeast wind 5 to 8 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darby MT
 46.02°N 114.16°W (Elev. 3999 ft)
Last Update:
2:01 pm MDT Sep 19, 2026
Forecast Valid:
4pm MDT Sep 19, 2026-6pm MDT Sep 26, 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