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

78°F

26°C

Humidity 85%
Wind Speed S 8 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Jun 1:55 am CDT
Extended Forecast for

Effingham IL

Heat Advisory June 22, 02:01am until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 22, 02:01am until June 24, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 3 to 7 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 74. South wind around 9 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 101. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 75. South wind 5 to 7 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 94. South southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 74. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 74. Light south southwest wind.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 72.
Saturday
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:
12:27 am CDT Jun 22, 2025
Forecast Valid:
2am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation