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

Decatur, Pryor Field (KDCU)

Lat: 34.66°NLon: 86.94°WElev: 591ft.

Fair

98°F

37°C

Humidity 38%
Wind Speed Vrbl 3 mph
Barometer 30.15 in (1020.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 18 Sep 12:53 pm CDT
Extended Forecast for

Capshaw AL

Heat Advisory September 18, 02:29pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 02:29pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 98. Heat index values as high as 104. North wind around 5 mph.
Tonight
Mostly clear, with a low around 72. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 5 mph.
Saturday Night
Partly cloudy, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph.
Sunday Night
Mostly clear, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Capshaw AL
 34.79°N 87.02°W (Elev. 738 ft)
Last Update:
1:50 pm CDT Sep 18, 2026
Forecast Valid:
2pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation