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.

Mostly Cloudy

41°F

5°C

Humidity 76%
Wind Speed SE 9 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Dec 8:53 pm CST
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Cloudy, with a low around 33. South wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of drizzle before 5pm, then a slight chance of drizzle and snow. Cloudy, with a high near 39. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Drizzle then
    Slight Chance
    Drizzle/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. North wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 34. North wind 5 to 7 mph becoming calm in the morning.

    High: 34 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Light southeast wind becoming south 6 to 11 mph in the evening.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Cloudy, with a low around 33. South wind 5 to 8 mph, with gusts as high as 20 mph.
Sunday
A slight chance of drizzle before 5pm, then a slight chance of drizzle and snow. Cloudy, with a high near 39. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20. North wind 7 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 34. North wind 5 to 7 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 24. Light southeast wind becoming south 6 to 11 mph in the evening.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 23.
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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:
7:52 pm CST Dec 6, 2025
Forecast Valid:
9pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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