Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

A Few Clouds

66°F

19°C

Humidity 87%
Wind Speed N 5 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 May 3:52 am CDT
Extended Forecast for

Petersburg IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. East northeast wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. East wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. East wind around 7 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light east northeast wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 85. East northeast wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 58. East wind 6 to 8 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 82. East wind around 7 mph.
Friday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Light east northeast wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IL
 40°N 89.85°W (Elev. 551 ft)
2:46 am CDT May 27, 2026
4am CDT May 27, 2026-6pm CDT Jun 2, 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