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

65°F

18°C

Humidity 70%
Wind Speed S 13 mph
Barometer 29.84 in (1010.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Nov 8:52 pm CST
Extended Forecast for

Petersburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind 11 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Clear, with a low around 37. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 55. North northwest wind 3 to 6 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Increasing clouds, with a high near 55. Light east wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 39. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind 11 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Clear, with a low around 37. North northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 55. North northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 31. Light and variable wind.
Monday
A 30 percent chance of rain after noon. Increasing clouds, with a high near 55. Light east wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 39. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IL
 40.02°N 89.82°W (Elev. 600 ft)
Last Update:
9:07 pm CST Nov 14, 2025
Forecast Valid:
9pm CST Nov 14, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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