National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

34°F

1°C

Humidity 56%
Wind Speed W 15 G 25 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 16 Jan 9:53 pm CST
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 21. West wind 9 to 15 mph, with gusts as high as 32 mph.

    Low: 21 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 27. West wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 11. West wind 6 to 13 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 13 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 21. West wind 9 to 15 mph, with gusts as high as 32 mph.
Saturday
Partly sunny, with a high near 27. West wind 10 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 11. West wind 6 to 13 mph.
Sunday
Mostly sunny, with a high near 32. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 13. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 37.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
9:56 pm CST Jan 16, 2026
Forecast Valid:
10pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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