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

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

82°F

28°C

Humidity 63%
Wind Speed N 12 G 20 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 2 Aug 3:15 pm CDT
Extended Forecast for

Shelbyville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. North wind around 13 mph, with gusts as high as 22 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. North northeast wind 3 to 6 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. East northeast wind 3 to 6 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light southeast wind.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light south wind.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. North wind around 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 61. North wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 83. North northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 61. East northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 84. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 85. Light south wind.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
A chance of showers. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shelbyville IL
 39.42°N 88.79°W (Elev. 650 ft)
Last Update:
1:26 pm CDT Aug 2, 2026
Forecast Valid:
3pm CDT Aug 2, 2026-6pm CDT Aug 8, 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