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

68°F

20°C

Humidity 91%
Wind Speed SE 13 mph
Barometer 29.88 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 7:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 64. Southwest wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 64. Southwest wind 13 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 38. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
6:36 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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