Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

83°F

28°C

Humidity 30%
Wind Speed Vrbl 3 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Sep 4:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Increasing clouds, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 71. South wind 7 to 9 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 89. Southwest wind 8 to 15 mph.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am.  Low around 68. Southwest wind 3 to 7 mph.  Chance of precipitation is 80%.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 65. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 90. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 71. South wind 7 to 9 mph.
Thursday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 89. Southwest wind 8 to 15 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 68. Southwest wind 3 to 7 mph. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 73. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 70.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
4:11 pm CDT Sep 29, 2026
5pm CDT Sep 29, 2026-6pm CDT Oct 6, 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