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.

Overcast

24°F

-4°C

Humidity 86%
Wind Speed NW 5 mph
Barometer 30.51 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Nov 10:35 pm CST
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Cloudy

  • Monday

    Monday: A 30 percent chance of snow after 3pm. Cloudy, with a high near 31. Calm wind becoming east southeast around 6 mph.

    High: 31 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow, mainly before 3am. Low around 19. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow then
    Snow Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. South wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12. Light and variable wind becoming north northwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 18. Calm wind.
Monday
A 30 percent chance of snow after 3pm. Cloudy, with a high near 31. Calm wind becoming east southeast around 6 mph.
Monday Night
Snow, mainly before 3am. Low around 19. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 27. Northwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 36. South wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 12. Light and variable wind becoming north northwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.14°N 88.55°W (Elev. 600 ft)
Last Update:
9:36 pm CST Nov 30, 2025
Forecast Valid:
10pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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