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

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 5 Sep 6:35 am CDT
Extended Forecast for

4 Miles NE Dieterich IL

Extreme Heat Warning September 5, 06:51am until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 5, 06:51am until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Today

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. Northeast wind around 8 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. Northeast wind 9 to 11 mph, with gusts as high as 16 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. East northeast wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 87. East wind around 7 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East northeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. Northeast wind around 8 mph.
Sunday
Sunny, with a high near 86. Northeast wind 9 to 11 mph, with gusts as high as 16 mph.
Sunday Night
Mostly clear, with a low around 61. East northeast wind 5 to 10 mph, with gusts as high as 16 mph.
Labor Day
Sunny, with a high near 87. East wind around 7 mph.
Monday Night
Mostly clear, with a low around 63. East northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly clear, with a low around 68.
Thursday
A chance of showers. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Dieterich IL
 39.11°N 88.33°W (Elev. 594 ft)
Last Update:
6:35 am CDT Sep 5, 2026
Forecast Valid:
6am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation