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

78°F

26°C

Humidity 38%
Wind Speed SE 12 mph
Barometer 29.87 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Mar 1:55 pm CDT
Extended Forecast for

Effingham IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. South wind around 6 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 82. South southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 82 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. North wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. East northeast wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. South southeast wind around 6 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. South wind around 6 mph.
Tonight
Mostly clear, with a low around 61. South wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 82. South southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.
Monday
Mostly sunny, with a high near 53. North wind 7 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 36. East northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 60. South southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 41.
Friday
A chance of rain. Partly sunny, with a high near 51.
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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:
1:26 pm CDT Mar 21, 2026
Forecast Valid:
2pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation