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.

Partly Cloudy

77°F

25°C

Humidity 52%
Wind Speed SW 12 mph
Barometer 29.93 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Apr 4:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. West southwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 61. West northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 60. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West southwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. Light south southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 61. West northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 60. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 76.
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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:
3:36 pm CDT Apr 16, 2026
Forecast Valid:
4pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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