Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Thunderstorm

79°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jul 4:35 pm CDT
Extended Forecast for

4 Miles S Herod IL

Heat Advisory July 17, 04:43pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 17, 04:43pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm.  Mostly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely.  Partly sunny, with a high near 89. Light and variable wind.  Chance of precipitation is 70%.

    High: 89 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Southwest wind 3 to 7 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Light south southwest wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92. West southwest wind 3 to 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 86. Light southwest wind.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 75. Light south southwest wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. West southwest wind 3 to 5 mph.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. Calm wind.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 76. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76. Calm wind.
Wednesday
Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Herod IL
 37.43°N 88.49°W
4:31 pm CDT Jul 17, 2025
4pm CDT Jul 17, 2025-6pm CDT Jul 23, 2025
 
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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