National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

70°F

21°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1014.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Oct 6:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. Northwest wind around 6 mph becoming east in the morning. Chance of precipitation is 90%.

    High: 79 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 66. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. Breezy, with a southwest wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 61. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 32 mph.

    High: 61 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. Northwest wind around 6 mph becoming east in the morning. Chance of precipitation is 90%.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 66. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. Breezy, with a southwest wind 7 to 12 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 61. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
5:06 am CDT Oct 14, 2026
Forecast Valid:
7am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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