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

95°F

35°C

Humidity 34%
Wind Speed SE 7 mph
Barometer 30.01 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 31 Aug 4:35 pm CDT
Extended Forecast for

Shelbyville IL

Heat Advisory until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 103. West southwest wind around 7 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76. South southwest wind 3 to 5 mph.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Southwest wind 5 to 8 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 76. South southwest wind around 5 mph.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Southwest wind 5 to 7 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. South southwest wind around 9 mph.
Tonight
Clear, with a low around 75. South southwest wind around 7 mph, with gusts as high as 15 mph.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 103. West southwest wind around 7 mph.
Tuesday Night
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 100. Southwest wind 5 to 8 mph.
Wednesday Night
Clear, with a low around 76. South southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 100. Southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 65.
Labor Day
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shelbyville IL
 39.42°N 88.79°W (Elev. 650 ft)
Last Update:
4:36 pm CDT Aug 31, 2026
Forecast Valid:
4pm CDT Aug 31, 2026-6pm CDT Sep 7, 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