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.

Overcast

68°F

20°C

Humidity 89%
Wind Speed N 8 mph
Barometer 30.09 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 May 3:35 am CDT
Extended Forecast for

Herod IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 62. Calm wind. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms, mainly between noon and 5pm. Steady temperature around 65. North wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. North northeast wind 3 to 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 73. Northeast wind around 6 mph.

    High: 73 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 75. Light and variable wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 62. Calm wind. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms, mainly between noon and 5pm. Steady temperature around 65. North wind 5 to 7 mph. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 57. North northeast wind 3 to 7 mph.
Thursday
Mostly cloudy, with a high near 73. Northeast wind around 6 mph.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 75. Light and variable wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Light south wind.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Calm wind.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herod IL
 37.49°N 88.48°W
Last Update:
3:01 am CDT May 20, 2026
Forecast Valid:
3am CDT May 20, 2026-6pm CDT May 26, 2026
 
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