Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

42°F

6°C

Humidity 76%
Wind Speed Calm
Barometer 30.21 in (1023.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 19 Apr 12:53 am CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Clear, with a low around 38. Light southwest wind.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northeast wind 3 to 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Southeast wind around 8 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 38. Light southwest wind.
Sunday
Sunny, with a high near 66. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 40. Northeast wind 3 to 8 mph.
Monday
Sunny, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 49. Southeast wind around 8 mph.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81. Breezy.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
1:25 am CDT Apr 19, 2026
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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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