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.

Rain Fog/Mist

62°F

17°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 16 Apr 2:53 am CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 62 °F

    Heavy Rain

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 7 to 10 mph.

    High: 81 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 52. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 52 °F

    T-storms
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a steady temperature around 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 60. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Friday Night
Showers and thunderstorms, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 52. South wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a steady temperature around 57. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 77.
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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:
3:06 am CDT Apr 16, 2026
Forecast Valid:
3am CDT Apr 16, 2026-6pm CDT Apr 22, 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