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Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

72°F

22°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 29.92 in (1012.8 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 26 Jul 3:52 am CDT
Extended Forecast for

Petersburg 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 7am and noon. Partly sunny, with a high near 92. Heat index values as high as 109. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South southwest wind around 6 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 110. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 75. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. North wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 7am and noon. Partly sunny, with a high near 92. Heat index values as high as 109. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 76. South southwest wind around 6 mph.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 110. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 75. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 90. North wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 66. North northeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IL
 40°N 89.85°W (Elev. 551 ft)
Last Update:
3:36 am CDT Jul 26, 2026
Forecast Valid:
4am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation