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

60°F

16°C

Humidity 75%
Wind Speed SW 7 mph
Barometer 29.66 in (1004.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Feb 7:53 am CST
Extended Forecast for

Summerfield IL

  • Today

    Today: Sunny, with a high near 72. West wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: 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. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 25 mph.

    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

  • Sunday

    Sunday: Sunny, with a high near 37. Breezy.

    High: 37 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 72. West wind 6 to 13 mph, with gusts as high as 23 mph.
Tonight
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. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 25 mph.
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:
6:21 am CST Feb 18, 2026
Forecast Valid:
8am 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