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

53°F

12°C

Humidity 40%
Wind Speed NW 15 G 29 mph
Barometer 30.32 in (1026.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Apr 11:53 am CDT
Extended Forecast for

Summerfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 22 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 39 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 61. Northwest wind 6 to 13 mph.

    High: 61 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. North wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. East wind around 10 mph.

    High: 52 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 57. Northwest wind around 15 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 39. Northwest wind 5 to 8 mph becoming light and variable.
Monday
Increasing clouds, with a high near 61. Northwest wind 6 to 13 mph.
Monday Night
Mostly cloudy, with a low around 37. North wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 52. East wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
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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:
9:51 am CDT Apr 5, 2026
Forecast Valid:
12pm CDT Apr 5, 2026-6pm CDT Apr 11, 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