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.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 3 Aug 7:35 am CDT
Extended Forecast for

4 Miles ENE Stewardson IL

  • Today

    Today: Patchy dense fog before 10am. Otherwise, sunny, with a high near 83. Light north northeast wind.

    High: 83 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. South southeast wind around 5 mph becoming calm in the morning.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Light east southeast wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light south wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Light south wind.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, sunny, with a high near 83. Light north northeast wind.
Tonight
Mostly clear, with a low around 62. Light east wind.
Tuesday
Sunny, with a high near 84. South southeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 61. Light east southeast wind.
Wednesday
Sunny, with a high near 86. Light south wind.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Light south wind.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 3 to 6 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
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Saturday
A chance of showers. Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Stewardson IL
 39.3°N 88.54°W (Elev. 571 ft)
Last Update:
7:36 am CDT Aug 3, 2026
Forecast Valid:
8am CDT Aug 3, 2026-6pm CDT Aug 9, 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