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.

Mostly Cloudy

83°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Jul 11:15 am CDT
Extended Forecast for

Effingham IL

  • Today

    Today: Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 86. South wind around 6 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly cloudy through mid morning, then becoming sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 90 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Light south southwest wind.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. West southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light north northeast wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Light northeast wind.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 86. South wind around 6 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy through mid morning, then becoming sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 73. Light south southwest wind.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. West southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light north northeast wind. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Light northeast wind.
Friday Night
Mostly cloudy, with a low around 70.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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:
10:26 am CDT Jul 15, 2025
Forecast Valid:
11am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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