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

65°F

18°C

Humidity 38%
Wind Speed SE 3 mph
Barometer 30.04 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 May 7:15 pm CDT
Extended Forecast for

Shelbyville IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 52. South southeast wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 52 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 62. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 81. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66. South wind around 13 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Breezy.

    High: 86 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 52. South southeast wind 6 to 8 mph, with gusts as high as 17 mph.
Friday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 62. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 81. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. South wind around 8 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 87. South wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 66. South wind around 13 mph, with gusts as high as 23 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Breezy.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 74.
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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:
7:11 pm CDT May 14, 2026
Forecast Valid:
7pm CDT May 14, 2026-6pm CDT May 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