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

69°F

21°C

Humidity 87%
Wind Speed S 6 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 2:53 pm CDT
Extended Forecast for

Summerfield IL

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a steady temperature around 71. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Low around 61. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 61 °F

    T-storms

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a steady temperature around 71. South wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Low around 61. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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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:
3:31 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 2026-6pm CDT Apr 22, 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