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.

A Few Clouds

79°F

26°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Apr 9:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Mostly sunny, with a high near 86. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 69. South wind 11 to 17 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. South wind 9 to 11 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 78. Southwest wind 9 to 13 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 86. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 69. South wind 11 to 17 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. South wind 9 to 11 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 78. Southwest wind 9 to 13 mph. Chance of precipitation is 70%.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
9:51 am CDT Apr 14, 2026
Forecast Valid:
10am CDT Apr 14, 2026-6pm CDT Apr 20, 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