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.

Light Rain

56°F

13°C

Humidity 90%
Wind Speed N 9 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 53°F (12°C)
Visibility 9.00 mi
Last update 1 Apr 5:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a temperature falling to near 57 by 8pm, then rising to around 65 during the remainder of the night. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 57 °F⇑

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 76. Breezy, with a south wind 17 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    High: 76 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Partly cloudy, with a low around 64. Breezy, with a south wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a temperature falling to near 57 by 8pm, then rising to around 65 during the remainder of the night. East wind 8 to 14 mph becoming south after midnight. Winds could gust as high as 25 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 76. Breezy, with a south wind 17 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Partly cloudy, with a low around 64. Breezy, with a south wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South wind 9 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 64. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 66.
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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:
5:11 pm CDT Apr 1, 2026
Forecast Valid:
6pm CDT Apr 1, 2026-6pm CDT Apr 8, 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