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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Patchy fog before 2am, then patchy fog after 5am. Otherwise, cloudy, with a low around 51. Northeast wind 3 to 8 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 65. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 100%.

    High: 65 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Patchy fog between 3am and 4am. Low around 56. South wind 5 to 8 mph becoming east in the evening. Chance of precipitation is 90%.

    Low: 56 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 40%.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Patchy fog before 2am, then patchy fog after 5am. Otherwise, cloudy, with a low around 51. Northeast wind 3 to 8 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 65. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 100%.
Wednesday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Patchy fog between 3am and 4am. Low around 56. South wind 5 to 8 mph becoming east in the evening. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 78. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 74.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 58.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 76.
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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:
10:26 pm CST Mar 3, 2026
Forecast Valid:
12am CST Mar 4, 2026-6pm CDT Mar 10, 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