Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Fort Payne, Isbell Field Airport (K4A9)

Lat: 34.47°NLon: 85.72°WElev: 876ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.03 in
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Aug 6:55 am CDT
Extended Forecast for

Collinsville AL

  • Today

    Today: A slight chance of showers between 10am and noon.  Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers and
    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 92. Light north northwest wind becoming northwest 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Northwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 10am and noon. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 92. Light north northwest wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 91. Northwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 65.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville AL
 34.27°N 85.86°W (Elev. 804 ft)
6:50 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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