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.

A Few Clouds

59°F

15°C

Humidity 75%
Wind Speed S 7 mph
Barometer 29.59 in (1001.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 18 Feb 2:53 am CST
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 57. Southwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. South wind 5 to 8 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Partly sunny, with a high near 68. South wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 68 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. West wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 57. Southwest wind around 17 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 72. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 50. South wind 5 to 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Partly sunny, with a high near 68. South wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 37. West wind 13 to 18 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 43.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 37. Breezy.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 45.
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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:
3:06 am CST Feb 18, 2026
Forecast Valid:
3am CST Feb 18, 2026-6pm CST Feb 24, 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