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

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

85°F

29°C

Humidity 61%
Wind Speed SW 9 G 20 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 4 Sep 8:52 am CDT
Extended Forecast for

Sherman IL

Extreme Heat Warning September 4, 09:32am until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 09:32am until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Today

    High: 99 °F

    Hot

  • Tonight

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

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. East northeast wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. East northeast wind 5 to 9 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. East wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 89. East wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 106. West southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 74. Light south southwest wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming north northwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 70. East northeast wind around 6 mph.
Sunday
Sunny, with a high near 90. East northeast wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 63. East wind 5 to 9 mph, with gusts as high as 15 mph.
Labor Day
Sunny, with a high near 89. East wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sherman IL
 39.88°N 89.6°W (Elev. 551 ft)
Last Update:
7:36 am CDT Sep 4, 2026
Forecast Valid:
9am CDT Sep 4, 2026-6pm CDT Sep 10, 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