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

47°F

8°C

Humidity 59%
Wind Speed S 6 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Feb 8:53 am CST
Extended Forecast for

Summerfield IL

  • Today

    Today: Rain, mainly after 11am. High near 51. South wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 100%.

    High: 51 °F

    Rain Likely
    then Rain

  • Tonight

    Tonight: Rain. Low around 45. East wind 9 to 11 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind 6 to 11 mph.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 11am. High near 51. South wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 100%.
Tonight
Rain. Low around 45. East wind 9 to 11 mph. Chance of precipitation is 100%.
Sunday
A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 37. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 69.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 53.
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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:
8:32 am CST Feb 14, 2026
Forecast Valid:
9am CST Feb 14, 2026-6pm CST Feb 20, 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