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

66°F

19°C

Humidity 81%
Wind Speed SE 8 mph
Barometer 29.87 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 May 12:55 am CDT
Extended Forecast for

4 Miles SSE Shelbyville IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 11am. Cloudy, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 63. Southeast wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind around 13 mph, with gusts as high as 22 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 87 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers and thunderstorms likely, mainly before 11am. Cloudy, with a high near 78. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 63. Southeast wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 84. South wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 66. South wind around 13 mph, with gusts as high as 22 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a south wind 14 to 20 mph, with gusts as high as 31 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 14 to 16 mph, with gusts as high as 24 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Shelbyville IL
 39.35°N 88.77°W (Elev. 558 ft)
Last Update:
12:17 am CDT May 16, 2026
Forecast Valid:
1am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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