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: Showers and possibly a thunderstorm. Areas of fog. Low around 54. Southwest wind around 7 mph becoming southeast. Chance of precipitation is 100%.

    Low: 54 °F

    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers and thunderstorms likely before 9am, then a slight chance of showers between 9am and 10am. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 67. South wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely and
    Areas Fog
    then Patchy
    Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. Light and variable wind becoming south 5 to 9 mph in the evening.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 78. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 78 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A slight chance of rain before 9pm, then a slight chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 60. South wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely, mainly before noon. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Areas of fog. Low around 54. Southwest wind around 7 mph becoming southeast. Chance of precipitation is 100%.
Thursday
Showers and thunderstorms likely before 9am, then a slight chance of showers between 9am and 10am. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 67. South wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. Light and variable wind becoming south 5 to 9 mph in the evening.
Friday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 78. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
A slight chance of rain before 9pm, then a slight chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 60. South wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday
Rain likely, mainly before noon. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 75.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly clear, with a low around 59.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 53. Breezy. Chance of precipitation is 90%.
Wednesday
Rain likely. Cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
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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:
12:26 am CST Mar 5, 2026
Forecast Valid:
2am CST Mar 5, 2026-6pm CDT Mar 11, 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