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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

WEST FORK (WSFM8)

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

NA

61°F

16°C

Humidity 62%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 17 Sep 11:14 AM MDT
Extended Forecast for

Darby MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Northwest wind 10 to 16 mph becoming southeast.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of rain between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 8 to 13 mph becoming light southeast after midnight. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 71. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 51. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Rain likely, mainly before noon, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 71. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Northwest wind 10 to 16 mph becoming southeast.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of rain between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 8 to 13 mph becoming light southeast after midnight. Chance of precipitation is 70%.
Friday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 71. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 51. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain likely, mainly before noon, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 71. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 78.
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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:
2:00 am MDT Sep 17, 2026
Forecast Valid:
12pm MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation