Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed S 6 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 2 Sep 7:52 pm CDT
Extended Forecast for

2 Miles SSE Petersburg IL

Extreme Heat Warning until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 97. Heat index values as high as 101. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 76. South wind 3 to 6 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 103. West southwest wind around 5 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm.  Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Light east wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind 5 to 7 mph, with gusts as high as 15 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 101. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. South wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 103. West southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
A 30 percent chance of showers before 1pm. Sunny, with a high near 94. Light and variable wind.
Saturday Night
Mostly clear, with a low around 71. Light east wind.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 68.
Labor Day
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Petersburg IL
 39.98°N 89.85°W (Elev. 600 ft)
7:36 pm CDT Sep 2, 2026
8pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
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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