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.

Overcast

41°F

5°C

Humidity 62%
Wind Speed N 17 G 26 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 23 Mar 4:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Increasing clouds, with a high near 54. Northeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of sprinkles between 3am and 4am. Mostly cloudy, with a low around 36. East wind around 7 mph.

    Low: 36 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Southeast wind 7 to 9 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Southeast wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Light south wind increasing to 6 to 11 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 54. Northeast wind 10 to 14 mph, with gusts as high as 22 mph.
Tonight
A chance of sprinkles between 3am and 4am. Mostly cloudy, with a low around 36. East wind around 7 mph.
Tuesday
Partly sunny, with a high near 60. Southeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 41. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 73. Light south wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 87.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 63.
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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:
3:41 am CDT Mar 23, 2026
Forecast Valid:
5am CDT Mar 23, 2026-6pm CDT Mar 29, 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