National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

64°F

18°C

Humidity 31%
Wind Speed SE 8 mph
Barometer 30.09 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 8:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 76. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 33 mph.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 53. South southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 64. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 53. East northeast wind 11 to 13 mph becoming south southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 76. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 63. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 33 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 53. South southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 64. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. East northeast wind 11 to 13 mph becoming south southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 66. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly cloudy, with a high near 59.
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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:
5:52 pm CDT Mar 29, 2026
Forecast Valid:
8pm CDT Mar 29, 2026-6pm CDT Apr 5, 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