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 and Breezy

36°F

2°C

Humidity 46%
Wind Speed NW 23 G 37 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 14 Jan 3:53 pm CST
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Clear, with a low around 17. Blustery, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.

    Low: 17 °F

    Mostly Clear
    and Blustery
    then Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 33. Northwest wind 7 to 9 mph becoming southwest in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 26. South wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a west wind 11 to 20 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: A chance of sprinkles before 8pm, then a chance of flurries between 8pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 21. West wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Chance
    Sprinkles/Flurries
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 17. Blustery, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Increasing clouds, with a high near 33. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Thursday Night
A 50 percent chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 26. South wind 7 to 14 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 44. Breezy, with a west wind 11 to 20 mph.
Friday Night
A chance of sprinkles before 8pm, then a chance of flurries between 8pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 21. West wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.58°N 89.72°W (Elev. 518 ft)
Last Update:
3:16 pm CST Jan 14, 2026
Forecast Valid:
4pm CST Jan 14, 2026-6pm CST Jan 21, 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