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

82°F

28°C

Humidity 89%
Wind Speed SE 3 mph
Barometer 30.12 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Aug 12:35 pm CDT
Extended Forecast for

4 Miles ESE Wheeler IL

Heat Advisory August 15, 01:06pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 01:06pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind becoming southwest around 6 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Heat index values as high as 105. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am. Partly cloudy, with a low around 71. North northwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

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

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Heat index values as high as 103. South southwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 74. Calm wind becoming southwest around 6 mph after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Heat index values as high as 105. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am. Partly cloudy, with a low around 71. North northwest wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 84. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 64. Light and variable wind.
Tuesday
Sunny, with a high near 85. Calm wind.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Wheeler IL
 39.02°N 88.25°W (Elev. 551 ft)
Last Update:
12:36 pm CDT Aug 15, 2026
Forecast Valid:
1pm 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