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 Rain

77°F

25°C

Humidity 89%
Wind Speed NW 7 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Heat Index78°F (26°C)
Last update 17 Jul 12:35 pm CDT
Extended Forecast for

6 Miles NNW Herod IL

Heat Advisory July 17, 12:51pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 17, 12:51pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 87 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Light and variable wind.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 88. Light and variable wind.  Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Light south southeast wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southwest wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 91. Southwest wind 3 to 5 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a steady temperature around 87. Light and variable wind becoming west southwest around 6 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light south southeast wind.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 75. South southwest wind 3 to 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Southwest wind 3 to 5 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 95. Southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 77. Light south wind.
Wednesday
Sunny, with a high near 96. Southwest wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Herod IL
 37.56°N 88.51°W
12:46 pm CDT Jul 17, 2025
12pm 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