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

Hazardous Weather Conditions

Current conditions at

St Clair County Airport (KPLR)

Lat: 33.56°NLon: 86.25°WElev: 485ft.

Fair

91°F

33°C

Humidity 67%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 2 Jul 11:35 am CDT
Extended Forecast for

Harpersville AL

Heat Advisory July 2, 11:51am until July 3, 09:00pm
Heat Advisory July 4, 07:00am until July 4, 09:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 2, 11:51am until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Today

    High: 96 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.

    High: 97 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Decreasing
    Clouds

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

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

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Calm wind becoming east around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.
Independence Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.
Saturday Night
Mostly clear, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpersville AL
 33.33°N 86.45°W
Last Update:
10:56 am CDT Jul 2, 2026
Forecast Valid:
11am CDT Jul 2, 2026-6pm CDT Jul 8, 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