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

44°F

7°C

Humidity 38%
Wind Speed SW 9 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Jan 10:53 am CST
Extended Forecast for

Summerfield IL

  • Today

    Today: Sunny, with a high near 54. Southwest wind 6 to 11 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind 5 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. West wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 8 to 10 mph.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 42 °F⇓

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Blustery.

    Low: 18 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42. Breezy.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 54. Southwest wind 6 to 11 mph.
Tonight
Mostly clear, with a low around 34. Southwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 61. West wind 9 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 8 to 10 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Blustery.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42. Breezy.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 29.
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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:
11:21 am CST Jan 12, 2026
Forecast Valid:
11am CST Jan 12, 2026-6pm CST Jan 18, 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