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.

Overcast

71°F

22°C

Humidity 87%
Wind Speed S 10 G 18 mph
Barometer 29.76 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Mar 2:15 am CDT
Extended Forecast for

Effingham IL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a steady temperature around 69. South southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. Temperature falling to around 44 by 4pm. Breezy, with a southwest wind 16 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F⇓

    T-storms then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 50. West southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a steady temperature around 69. South southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. Temperature falling to around 44 by 4pm. Breezy, with a southwest wind 16 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 50. West southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.
Friday
Partly sunny, with a high near 57. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Showers, mainly after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Blustery.
Monday
Mostly sunny, with a high near 33. Breezy.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
2:05 am CDT Mar 11, 2026
Forecast Valid:
2am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation