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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

76°F

24°C

Humidity 42%
Wind Speed S 9 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Mar 6:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Breezy, with a southwest wind 10 to 20 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 44. South wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Chance
    T-storms then
    Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind around 18 mph, with gusts as high as 26 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 89. Breezy, with a southwest wind 10 to 20 mph.
Thursday Night
A chance of rain and thunderstorms before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 44. South wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Friday
A 40 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind around 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 31. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 77.
Monday Night
A 30 percent chance of rain. Partly cloudy, with a low around 60.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 77. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
6:16 pm CDT Mar 25, 2026
Forecast Valid:
7pm CDT Mar 25, 2026-6pm CDT Apr 1, 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