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Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

81°F

27°C

Humidity 69%
Wind Speed SW 6 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Sep 7:52 am CDT
Extended Forecast for

Williamsville IL

Extreme Heat Warning September 4, 08:44am until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 08:44am until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Today

    High: 98 °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 96. Heat index values as high as 103. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 96 °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 88. East northeast wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. East wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 88. East wind around 7 mph.

    High: 88 °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 98. Heat index values as high as 104. 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 96. Heat index values as high as 103. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70. East northeast wind around 6 mph.
Sunday
Sunny, with a high near 88. East northeast wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 63. East wind 6 to 9 mph, with gusts as high as 15 mph.
Labor Day
Sunny, with a high near 88. East wind around 7 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, 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:
Williamsville IL
 39.95°N 89.54°W (Elev. 568 ft)
Last Update:
7:36 am CDT Sep 4, 2026
Forecast Valid:
8am 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