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

58°F

14°C

Humidity 44%
Wind Speed S 12 mph
Barometer 30.03 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Mar 4:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Southwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Northwest wind 3 to 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 74. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Mostly cloudy, with a low around 49. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 74. Light and variable wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
3:36 pm CDT Mar 18, 2026
Forecast Valid:
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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