National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

72°F

22°C

Humidity 71%
Wind Speed S 8 mph
Barometer 29.78 in (1008.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 8:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 62 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly cloudy, with a high near 78. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 59. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 59 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Temperature falling to around 58 by 5pm. West wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 65 °F⇓

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 8 to 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly cloudy, with a high near 78. South wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 59. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. Temperature falling to around 58 by 5pm. West wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 8 to 15 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
7:41 pm CDT Apr 2, 2026
Forecast Valid:
9pm CDT Apr 2, 2026-6pm CDT Apr 9, 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