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

35°F

2°C

Humidity 50%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 16 Nov 11:52 pm CST
Extended Forecast for

Petersburg IL

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. Light east wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, then showers and possibly a thunderstorm after 9pm. Low around 43. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 60. Southeast wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Northeast wind 3 to 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 42. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Light and variable wind.
Monday
Mostly sunny, with a high near 56. Light east wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
Rain likely, then showers and possibly a thunderstorm after 9pm. Low around 43. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 60. Southeast wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 41. Northeast wind 3 to 7 mph.
Wednesday
Mostly cloudy, with a high near 57. Light and variable wind.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 42. Calm wind becoming east southeast around 5 mph after midnight.
Thursday
Rain. High near 63. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IL
 40°N 89.85°W (Elev. 551 ft)
Last Update:
11:37 pm CST Nov 16, 2025
Forecast Valid:
12am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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