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

55°F

13°C

Humidity 57%
Wind Speed S 6 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 16 Feb 6:53 pm CST
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Partly cloudy, with a low around 41. South wind 6 to 9 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 64 °F

    Mostly Cloudy
    then Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 5am. Cloudy during the early evening, then gradual clearing, with a low around 55. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph.

    Low: 55 °F

    Breezy.
    Cloudy then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 72. West wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind around 6 mph.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight. Mostly clear, with a low around 38.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

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

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. South wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 64. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 5am. Cloudy during the early evening, then gradual clearing, with a low around 55. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph.
Wednesday
Sunny, with a high near 72. West wind 8 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind around 6 mph.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 71.
Thursday Night
A 30 percent chance of showers before midnight. Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 41.
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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:
5:01 pm CST Feb 16, 2026
Forecast Valid:
7pm CST Feb 16, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

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Chance of Precipitation