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.

Fair

31°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.08 in (1018.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Nov 4:53 am CST
Extended Forecast for

Summerfield IL

  • Today

    Today: Sunny, with a high near 58. Southeast wind 5 to 13 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 49. Southeast wind around 11 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 73. Southeast wind 7 to 10 mph becoming north in the afternoon. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Light northeast wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after noon. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm, then rain after midnight. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before noon. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 58. Southeast wind 5 to 13 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 49. Southeast wind around 11 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Southeast wind 7 to 10 mph becoming north in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 45. North wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 60. Light northeast wind.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 48.
Thursday
Rain, with thunderstorms also possible after noon. High near 65. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm, then rain after midnight. Low around 56. Chance of precipitation is 80%.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
3:16 am CST Nov 17, 2025
Forecast Valid:
5am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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