National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Partly Cloudy

90°F

32°C

Humidity 70%
Wind Speed SE 12 mph
Barometer 29.98 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 29 Jun 4:55 pm CDT
Extended Forecast for

7 Miles SSW Wheeler IL

Heat Advisory June 29, 05:09pm until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 29, 05:09pm until July 3, 12:00am

    NOW until 12:00am Fri

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. South wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 3 to 8 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South southwest wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. South wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 5 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Clear, with a low around 73. South wind 3 to 8 mph. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 109. South southwest wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 75. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 93. South southwest wind 3 to 7 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Light south wind.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Wheeler IL
 38.96°N 88.39°W (Elev. 561 ft)
Last Update:
2:00 pm CDT Jun 29, 2026
Forecast Valid:
5pm CDT Jun 29, 2026-6pm CDT Jul 6, 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