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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

74°F

23°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Aug 2:35 am CDT
Extended Forecast for

Herod IL

Heat Advisory August 19, 02:43am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 02:43am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 96. Calm wind becoming southwest around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. North wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. North northeast wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. North northeast wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Light north northeast wind.

    High: 87 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 74. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 96. Calm wind becoming southwest around 5 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. North wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 84. North northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Light north northeast wind.
Friday Night
Clear, with a low around 65. Calm wind.
Saturday
Sunny, with a high near 89. Light north wind.
Saturday Night
Mostly clear, with a low around 63. Calm wind.
Sunday
Sunny, with a high near 84. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herod IL
 37.52°N 88.48°W
Last Update:
1:45 am CDT Aug 19, 2025
Forecast Valid:
2am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
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