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 and Windy

70°F

21°C

Humidity 46%
Wind Speed N 29 G 41 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Mar 5:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 35. Breezy, with a north wind 15 to 23 mph, with gusts as high as 38 mph.

    Low: 35 °F

    Decreasing
    Clouds and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. East wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southeast wind 6 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Southeast wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain likely after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    T-storms then
    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 35. Breezy, with a north wind 15 to 23 mph, with gusts as high as 38 mph.
Monday
Mostly sunny, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 37. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 61. Southeast wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 87.
Thursday Night
A chance of rain and thunderstorms, then rain likely after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 64.
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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:
5:46 pm CDT Mar 22, 2026
Forecast Valid:
6pm CDT Mar 22, 2026-6pm CDT Mar 29, 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