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

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

65°F

18°C

Humidity 95%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 5:55 am CDT
Extended Forecast for

Herald IL

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light north northeast wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 62. Calm wind becoming north around 5 mph after midnight.

    Low: 62 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 82. North northwest wind 5 to 9 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 62. Light north northeast wind.
Saturday
Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 62. Calm wind becoming north around 5 mph after midnight.
Sunday
Sunny, with a high near 82. North northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. Light north wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Light northeast wind.
Thursday
Mostly sunny, with a high near 82. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herald IL
 37.97°N 88.17°W
Last Update:
5:31 am CDT Aug 22, 2025
Forecast Valid:
6am CDT Aug 22, 2025-6pm CDT Aug 28, 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