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

81°F

27°C

Humidity 79%
Wind Speed S 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Aug 12:52 pm CDT
Extended Forecast for

3 Miles W Illiopolis IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. South southwest wind around 9 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. West northwest wind 6 to 9 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. North northwest wind around 7 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. South southwest wind around 9 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. South wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 88. West northwest wind 6 to 9 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 83. North northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Illiopolis IL
 39.85°N 89.28°W (Elev. 614 ft)
Last Update:
12:36 pm CDT Aug 15, 2026
Forecast Valid:
1pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation