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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

63°F

17°C

Humidity 63%
Wind Speed SW 5 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 22 Apr 3:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Mostly sunny, with a high near 79. Southwest wind 6 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. South wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 75. South wind 11 to 15 mph. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 57. South wind around 6 mph.
Thursday
Sunny, with a high near 80. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. South wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 75. South wind 11 to 15 mph. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
Last Update:
4:11 am CDT Apr 22, 2026
Forecast Valid:
4am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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