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

78°F

26°C

Humidity 35%
Wind Speed NW 6 mph
Barometer 29.86 in (1010.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Apr 6:52 pm CDT
Extended Forecast for

4 Miles ESE Petersburg IL

  • Tonight

    Tonight: Clear, with a low around 57. Light and variable wind becoming south around 6 mph after midnight.

    Low: 57 °F

    Clear

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 45. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. North northwest wind 5 to 9 mph becoming east southeast after midnight. Winds could gust as high as 16 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 57. Light and variable wind becoming south around 6 mph after midnight.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 45. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. North northwest wind 5 to 9 mph becoming east southeast after midnight. Winds could gust as high as 16 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Petersburg IL
 39.98°N 89.8°W (Elev. 600 ft)
Last Update:
7:36 pm CDT Apr 16, 2026
Forecast Valid:
7pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation