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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.16 in (1020.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Sep 8:52 pm CDT
Extended Forecast for

Springfield IL

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Light and variable wind becoming north northeast around 6 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 91. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers before 11pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 72. East wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Increasing clouds and hot, with a high near 95. South wind around 8 mph becoming west southwest in the afternoon.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the morning.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 7 to 10 mph.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. Light and variable wind becoming north northeast around 6 mph after midnight.
Friday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 91. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before 11pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 72. East wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
Increasing clouds and hot, with a high near 95. South wind around 8 mph becoming west southwest in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 72. South wind 3 to 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 7 to 10 mph.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Springfield IL
 39.8°N 89.66°W (Elev. 600 ft)
Last Update:
7:56 pm CDT Sep 17, 2026
Forecast Valid:
9pm CDT Sep 17, 2026-6pm CDT Sep 24, 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