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

39°F

4°C

Humidity 75%
Wind Speed S 3 mph
Barometer 30.33 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Feb 9:55 am CST
Extended Forecast for

Effingham IL

  • Today

    Today: Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. South southeast wind around 5 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the morning.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. Light south wind.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of rain after noon. Cloudy, with a high near 50. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 50 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 40. East southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 55. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 55 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 48. Calm wind becoming south around 6 mph.
Tonight
Mostly cloudy, with a low around 29. South southeast wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 33. Light south wind.
Saturday
A 40 percent chance of rain after noon. Cloudy, with a high near 50. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
Rain likely. Cloudy, with a low around 40. East southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 55. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
9:22 am CST Feb 12, 2026
Forecast Valid:
10am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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