Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

85°F

29°C

Humidity 81%
Wind Speed E 3 mph
Barometer 30.01 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 7:35 pm CDT
Extended Forecast for

3 Miles NNE Cowden IL

Heat Advisory August 18, 07:46pm until August 18, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 18, 07:46pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Mostly sunny, with a high near 91. Heat index values as high as 102. South southwest wind around 8 mph becoming west northwest in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am.  Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. North northeast wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light northeast wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 72. South southeast wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 102. South southwest wind around 8 mph becoming west northwest in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 70. Calm wind.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 64. North northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 86. North northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 64. Light northeast wind.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Cowden IL
 39.28°N 88.83°W (Elev. 600 ft)
7:39 pm CDT Aug 18, 2025
7pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database