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

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

74°F

23°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.06 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 4:55 am CDT
Extended Forecast for

Herrick IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 90. Heat index values as high as 100. South wind 5 to 8 mph becoming north in the morning.

    High: 90 °F

    Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. South southwest wind 3 to 5 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Heat index values as high as 102. West northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. North wind 3 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 90. Heat index values as high as 100. South wind 5 to 8 mph becoming north in the morning.
Saturday Night
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. South southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 102. West northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday Night
Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 85. North wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 63. Light and variable wind.
Tuesday
Sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herrick IL
 39.22°N 88.98°W (Elev. 587 ft)
Last Update:
4:36 am CDT Aug 15, 2026
Forecast Valid:
5am CDT Aug 15, 2026-6pm CDT Aug 21, 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