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

62°F

17°C

Humidity 99%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Jul 6:35 am CDT
Extended Forecast for

Effingham IL

  • Today

    Today: Sunny, with a high near 84. North northeast wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 7pm. Low around 65. South southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. South wind around 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. North northeast wind 3 to 7 mph.
Tonight
Clear, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming east southeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 64. Calm wind.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Friday Night
Showers, with thunderstorms also possible after 7pm. Low around 65. South southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. South wind around 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. 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. Mostly cloudy, with a low around 63.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
6:36 am CDT Jul 29, 2026
Forecast Valid:
6am CDT Jul 29, 2026-6pm CDT Aug 4, 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