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

67°F

19°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 29 Aug 11:35 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South southeast wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind 3 to 5 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. South southwest wind 5 to 9 mph, with gusts as high as 17 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southwest wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Southwest wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 92. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
Mostly clear, with a low around 70. South wind 3 to 5 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 5 to 9 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind 3 to 5 mph.
Tuesday
Sunny and hot, with a high near 98. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
10:36 pm CDT Aug 29, 2026
Forecast Valid:
11pm CDT Aug 29, 2026-6pm CDT Sep 5, 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