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

72°F

22°C

Humidity 64%
Wind Speed S 7 mph
Barometer 29.75 in (1006.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Apr 9:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 64. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Mostly Clear
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm. High near 75. Southwest wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 75 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming clear, with a low around 52. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. East wind 3 to 8 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. East wind around 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.

    High: 79 °F

    Breezy.
    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 64. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms, mainly before 3pm. High near 75. Southwest wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming clear, with a low around 52. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 76. East wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 55. East wind around 7 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 72.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 51.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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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:
9:56 pm CDT Apr 23, 2026
Forecast Valid:
10pm CDT Apr 23, 2026-6pm CDT Apr 30, 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