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

28°F

-2°C

Humidity 39%
Wind Speed SW 7 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 15 Jan 12:53 pm CST
Extended Forecast for

Summerfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. West wind around 7 mph becoming south.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: A chance of snow between 9pm and 1am. Increasing clouds, with a temperature rising to around 33 by 5am. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 27 °F⇑

    Chance Snow

  • Friday

    Friday: Scattered sprinkles between 3pm and 4pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 45. West wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Isolated
    Sprinkles/Snow

  • Friday Night

    Friday Night: Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 22. West wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 26. West wind 11 to 17 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 33. West wind around 7 mph becoming south.
Tonight
A chance of snow between 9pm and 1am. Increasing clouds, with a temperature rising to around 33 by 5am. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday
Scattered sprinkles between 3pm and 4pm, then a slight chance of snow showers after 4pm. Mostly cloudy, with a high near 45. West wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 22. West wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 26. West wind 11 to 17 mph.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 44.
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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:
11:21 am CST Jan 15, 2026
Forecast Valid:
1pm CST Jan 15, 2026-6pm CST Jan 21, 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