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.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed E 9 G 16 mph
Barometer 30.23 in
Dewpoint 37°F (3°C)
Visibility 2.00 mi
Wind Chill30°F (-1°C)
Last update 2 Mar 2:35 pm CST
Extended Forecast for

Effingham IL

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 4pm. Cloudy, with a high near 41. East northeast wind 6 to 8 mph.

    High: 41 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 36. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Cloudy then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 55. Calm wind becoming southeast around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 3am. Patchy fog. Low around 47. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Patchy fog before 7am. High near 63. East wind 5 to 7 mph becoming south in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 55. South wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. High near 68. Southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 4pm. Cloudy, with a high near 41. East northeast wind 6 to 8 mph.
Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 36. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers. High near 55. Calm wind becoming southeast around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 3am. Patchy fog. Low around 47. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Patchy fog before 7am. High near 63. East wind 5 to 7 mph becoming south in the morning. 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 55. South wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after noon. High near 68. Southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Saturday
Showers. Cloudy, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
Mostly cloudy, with a high near 62.
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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 CST Mar 2, 2026
Forecast Valid:
2pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation