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

63°F

17°C

Humidity 40%
Wind Speed S 14 G 18 mph
Barometer 29.94 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 May 6:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Mostly clear, with a low around 46. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 68. Southwest wind 7 to 11 mph, with gusts 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: 68 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am. Low around 51. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 75. West southwest wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 54. Southwest wind around 5 mph becoming light and variable.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 65. North northeast wind 6 to 8 mph.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North northwest wind around 6 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 46. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 68. Southwest wind 7 to 11 mph, with gusts 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.
Friday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am. Low around 51. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 75. West southwest wind 5 to 10 mph, with gusts as high as 17 mph.
Saturday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 54. Southwest wind around 5 mph becoming light and variable.
Sunday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 65. North northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 44. North northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 46.
Tuesday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
5:21 pm CDT May 7, 2026
Forecast Valid:
6pm CDT May 7, 2026-6pm CDT May 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation