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 55%
Wind Speed N 3 mph
Barometer 29.91 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 10:55 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Partly cloudy, with a low around 48. East northeast wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South southwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 81. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 81 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 53. North wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. North northeast wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. East northeast wind around 6 mph.
Saturday
Sunny, with a high near 76. Light and variable wind becoming south southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 59. South southwest wind 3 to 8 mph. Winds could gust as high as 17 mph.
Sunday
Increasing clouds, with a high near 81. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 14 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 53. North wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 36. North northeast wind around 5 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 49.
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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:
10:36 pm CDT Mar 20, 2026
Forecast Valid:
11pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation