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

79°F

26°C

Humidity 67%
Wind Speed Calm
Barometer 29.93 in (1012.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Sep 11:52 am CDT
Extended Forecast for

Williamsville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. North northwest wind 6 to 8 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 62. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 69. Northeast wind around 10 mph, with gusts as high as 17 mph.

    High: 69 °F

    Chance
    Showers then
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. North northeast wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. North northeast wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. North northwest wind 6 to 8 mph.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 62. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 69. Northeast wind around 10 mph, with gusts as high as 17 mph.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 66. Northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 52. North northeast wind 5 to 10 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 70. North northeast wind 7 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsville IL
 39.95°N 89.54°W (Elev. 568 ft)
Last Update:
12:01 pm CDT Sep 20, 2026
Forecast Valid:
12pm CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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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