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 >

Hazardous Weather Conditions

Current conditions at

Haleyville, Posey Field Airport (K1M4)

Lat: 34.28°NLon: 87.6°WElev: 932ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 30.12 in (995.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Sep 9:56 pm CDT
Extended Forecast for

3 Miles ESE Russellville AL

Heat Advisory September 18, 10:11pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 10:11pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming north around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming west southwest around 5 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Russellville AL
 34.48°N 87.68°W (Elev. 719 ft)
Last Update:
9:50 pm CDT Sep 18, 2026
Forecast Valid:
10pm CDT Sep 18, 2026-6pm CDT Sep 25, 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