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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Fair

86°F

30°C

Humidity 59%
Wind Speed S 10 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Sep 9:52 am CDT
Extended Forecast for

Springfield IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 102. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Increasing clouds, with a low around 70. Light and variable wind becoming north northeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 92. Light and variable wind becoming east around 5 mph.

    High: 92 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94. South southwest wind around 6 mph becoming northwest in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Light and variable wind becoming east around 5 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92. East wind around 6 mph becoming south southeast in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 102. West wind 7 to 11 mph, with gusts as high as 22 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Increasing clouds, with a low around 70. Light and variable wind becoming north northeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 92. Light and variable wind becoming east around 5 mph.
Wednesday Night
Partly cloudy, with a low around 74. Calm wind becoming south around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 94. South southwest wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. Light and variable wind becoming east around 5 mph after midnight.
Friday
Mostly sunny, with a high near 92. East wind around 6 mph becoming south southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 68.
Sunday
A chance of showers. Partly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Springfield IL
 39.8°N 89.63°W (Elev. 600 ft)
Last Update:
9:46 am CDT Sep 15, 2026
Forecast Valid:
9am CDT Sep 15, 2026-6pm CDT Sep 21, 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