National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair and Breezy

68°F

20°C

Humidity 84%
Wind Speed S 22 G 31 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 May 2:52 am CDT
Extended Forecast for

Petersburg IL

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 13 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 77. South southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 51. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. East wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 13 mph, with gusts as high as 24 mph.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 77. South southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 51. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 68. North northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 71. East wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 60.
Memorial Day
A chance of showers. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IL
 40°N 89.85°W (Elev. 551 ft)
Last Update:
1:26 am CDT May 19, 2026
Forecast Valid:
3am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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