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.

A Few Clouds

70°F

21°C

Humidity 82%
Wind Speed Vrbl 7 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 3 Apr 8:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Partly sunny, with a high near 81. South wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 59. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm. Temperature falling to around 57 by 5pm. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 64 °F⇓

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    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 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Partly sunny, with a high near 81. South wind 8 to 18 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 59. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm. Temperature falling to around 57 by 5pm. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 58. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
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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:
8:31 am CDT Apr 3, 2026
Forecast Valid:
9am CDT Apr 3, 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