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.

Overcast

58°F

14°C

Humidity 93%
Wind Speed E 6 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Last update 1 Apr 11:53 pm CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a temperature rising to around 62 by 5am. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 57 °F⇑

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%.

    High: 76 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 4am. Partly cloudy, with a low around 64. Breezy, with a south wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a temperature rising to around 62 by 5am. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely, mainly before 4am. Partly cloudy, with a low around 64. Breezy, with a south wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 64. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
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:
10:31 pm CDT Apr 1, 2026
Forecast Valid:
12am CDT Apr 2, 2026-6pm CDT Apr 8, 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