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

61°F

16°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 2:52 am CDT
Extended Forecast for

3 Miles W Illiopolis IL

  • Overnight

    Overnight: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 45. Breezy, with a south wind 17 to 21 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    T-storms and
    Breezy

  • Saturday

    Saturday: A 40 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 55. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 8 to 16 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 17 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. South wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 45. Breezy, with a south wind 17 to 21 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 55. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 17 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 77. Breezy.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
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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:
2:50 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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