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

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

73°F

23°C

Humidity 46%
Wind Speed E 5 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 May 7:52 pm CDT
Extended Forecast for

Williamsville IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear then
    Patchy Fog

  • Memorial Day

    Memorial Day: Patchy fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. East southeast wind 3 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. East southeast wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. East wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. East wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Memorial Day
Patchy fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming southeast 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. East southeast wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 63. East southeast wind 3 to 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. East wind 3 to 7 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 63. East wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 79.
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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:
7:51 pm CDT May 24, 2026
Forecast Valid:
8pm CDT May 24, 2026-6pm CDT May 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