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

50°F

10°C

Humidity 32%
Wind Speed NA
Barometer 30.57 in (1035.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 28 Mar 1:53 pm CDT
Extended Forecast for

Summerfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. South wind 5 to 7 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 81. Breezy, with a south wind 13 to 21 mph, with gusts as high as 28 mph.

    High: 81 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 40%.

    High: 83 °F

    Breezy.
    Slight Chance
    Rain then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm, then rain after 1am. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 56. South wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 39. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 69. South wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 81. Breezy, with a south wind 13 to 21 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 40%.
Tuesday Night
Rain likely and possibly a thunderstorm, then rain after 1am. Low around 47. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 70.
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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:
1:26 pm CDT Mar 28, 2026
Forecast Valid:
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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