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

20°F

-7°C

Humidity 62%
Wind Speed SW 3 mph
Barometer 30.34 in (1028.4 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 23 Feb 9:52 pm CST
Extended Forecast for

Mechanicsburg IL

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Light west southwest wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 16 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 48 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 46. Northwest wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 29. East northeast wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow before noon. Cloudy through mid morning, then gradual clearing, with a high near 44. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. North northwest wind around 7 mph becoming south after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Light west southwest wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 48. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 46. Northwest wind 7 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of rain before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 29. East northeast wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
A chance of rain and snow before noon. Cloudy through mid morning, then gradual clearing, with a high near 44. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 28. North northwest wind around 7 mph becoming south after midnight.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Monday
A chance of rain. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg IL
 39.81°N 89.4°W (Elev. 577 ft)
Last Update:
9:36 pm CST Feb 23, 2026
Forecast Valid:
9pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation