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.

Overcast

81°F

27°C

Humidity 72%
Wind Speed Calm
Barometer 29.92 in (1012.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 1:52 pm CDT
Extended Forecast for

2 Miles SW Petersburg IL

Flood Watch August 19, 02:51pm until August 20, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 19, 02:51pm until August 20, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • This Afternoon

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 66. Light north northeast wind.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Northeast wind 3 to 5 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 64. Light west southwest wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 83. Northwest wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. Light west southwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 66. Light north northeast wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 62. Light and variable wind.
Friday
Mostly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 64. Light west southwest wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 83. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Petersburg IL
 39.98°N 89.88°W (Elev. 607 ft)
Last Update:
2:16 pm CDT Aug 19, 2026
Forecast Valid:
2pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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