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

26°F

-3°C

Humidity 57%
Wind Speed W 9 mph
Barometer 30.37 in (1028.6 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 22 Feb 2:53 am CST
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Partly cloudy, with a low around 22. Northwest wind 16 to 18 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. Northwest wind 16 to 18 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 33. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Partly sunny, with a high near 52. Breezy.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 40 percent chance of rain, mainly before noon. Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 40.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
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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:
1:41 am CST Feb 22, 2026
Forecast Valid:
3am CST Feb 22, 2026-6pm CST Feb 28, 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