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

33°F

1°C

Humidity 66%
Wind Speed NW 8 mph
Barometer 30.25 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Feb 6:55 pm CST
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Increasing clouds, with a low around 21. West northwest wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 28. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.

    High: 28 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Wind chill values between 1 and 11. Northwest wind 15 to 17 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values between 1 and 11. North northwest wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 21. West northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 28. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 16. Wind chill values between 1 and 11. Northwest wind 15 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 31. Wind chill values between 1 and 11. North northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Monday Night
Increasing clouds, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 45. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
6:36 pm CST Feb 21, 2026
Forecast Valid:
7pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation