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.

Fog/Mist

72°F

22°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 0.75 mi
Last update 27 Jun 6:35 am CDT
Extended Forecast for

Shelbyville IL

  • Today

    Today: Isolated showers before 1pm, then isolated showers and thunderstorms between 1pm and 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    Showers and
    Areas Fog
    then Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Isolated showers and thunderstorms before 8am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 100. South wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southeast wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 5 to 8 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Isolated showers before 1pm, then isolated showers and thunderstorms between 1pm and 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Sunday
Isolated showers and thunderstorms before 8am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 100. South wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 72. South southeast wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 92. South wind 6 to 10 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 5 to 8 mph.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 72.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
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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:
3:21 am CDT Jun 27, 2026
Forecast Valid:
7am CDT Jun 27, 2026-6pm CDT Jul 3, 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