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

91°F

33°C

Humidity 46%
Wind Speed SW 10 mph
Barometer 30.08 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 11:15 am CDT
Extended Forecast for

4 Miles SSE Shumway IL

Heat Advisory September 1, 11:30am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 11:30am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 102. Southwest wind 5 to 8 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 76. Light south southwest wind.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Southwest wind 3 to 8 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Calm wind becoming southwest around 5 mph in the morning.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 104. West southwest wind 5 to 7 mph.
Tonight
Clear, with a low around 75. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 102. Southwest wind 5 to 8 mph.
Wednesday Night
Clear, with a low around 76. Light south southwest wind.
Thursday
Sunny and hot, with a high near 98. Southwest wind 3 to 8 mph.
Thursday Night
Clear, with a low around 76. Calm wind.
Friday
Sunny and hot, with a high near 98. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 75.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Sunny and hot, with a high near 96.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Shumway IL
 39.14°N 88.64°W (Elev. 600 ft)
Last Update:
11:21 am CDT Sep 1, 2026
Forecast Valid:
11am CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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