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

39°F

4°C

Humidity 67%
Wind Speed NW 8 mph
Barometer 30.27 in (1025.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 11 Mar 11:53 pm CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Mostly clear, with a low around 31. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.

    Low: 43 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 61. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.

    High: 65 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 40%.

    Low: 25 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 53. Light west wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 61. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming northeast after midnight.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 35. Breezy.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 55.
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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:
10:31 pm CDT Mar 11, 2026
Forecast Valid:
12am CDT Mar 12, 2026-6pm CDT Mar 18, 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