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.

Overcast

73°F

23°C

Humidity 66%
Wind Speed SW 5 mph
Barometer 30.09 in (1018.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 5:52 pm CDT
Extended Forecast for

Williamsville IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Scattered showers, mainly after 5am. Cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 7am. Mostly cloudy, with a high near 83. South wind around 6 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly after 5am. Cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly before 7am. Mostly cloudy, with a high near 83. South wind around 6 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 70. Light south wind.
Sunday
Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. South wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 95. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 89.
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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:
5:36 pm CDT Jul 24, 2026
Forecast Valid:
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 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