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 42%
Wind Speed NW 20 G 32 mph
Barometer 30.46 in (1031.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 22 Feb 1:53 pm CST
Extended Forecast for

Summerfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    High: 30 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Increasing clouds, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 33. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 33 °F

    Sunny

  • Monday Night

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

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 30. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 15. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 33. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 19. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Mostly cloudy, with a high near 50. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
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:
12:26 pm CST Feb 22, 2026
Forecast Valid:
2pm 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