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Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Mostly Cloudy

72°F

22°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 26 Jul 5:52 am CDT
Extended Forecast for

Mechanicsburg IL

Extreme Heat Warning July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A slight chance of showers and thunderstorms between 9am and 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 108. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South wind 5 to 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 109. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. North wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. North northeast wind 3 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. North northeast wind 3 to 8 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 9am and 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 108. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 76. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 109. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 75. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 88. North wind 8 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 65. North northeast wind 3 to 8 mph.
Wednesday
Sunny, with a high near 85. North northeast wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
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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:
4:46 am CDT Jul 26, 2026
Forecast Valid:
6am CDT Jul 26, 2026-6pm CDT Aug 1, 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