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

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

2 Miles SE Herod IL

Heat Advisory August 19, 02:41am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 02:41am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming southwest around 5 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 50%.

    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 87. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light north northeast wind.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 76. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming southwest around 5 mph.
Tuesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 50%.
Wednesday
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Light north northeast wind.
Friday Night
Clear, with a low around 65. Calm wind.
Saturday
Sunny, with a high near 90. Light north wind.
Saturday Night
Mostly clear, with a low around 63. Calm wind.
Sunday
Sunny, with a high near 85. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Light north wind.
Monday
Sunny, with a high near 80. Light north northwest wind.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Herod IL
 37.47°N 88.43°W
Last Update:
1:45 am CDT Aug 19, 2025
Forecast Valid:
2am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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