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

43°F

6°C

Humidity 71%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 25 Mar 3:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Mostly sunny, with a high near 76. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 43. South wind 11 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Rain, mainly before 7am. High near 52. North wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 52 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Light and variable wind becoming south 9 to 14 mph in the morning.
Tonight
Partly cloudy, with a low around 63. South wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 89. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 43. South wind 11 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Friday
Rain, mainly before 7am. High near 52. North wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 79.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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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:
3:51 am CDT Mar 25, 2026
Forecast Valid:
4am CDT Mar 25, 2026-6pm CDT Mar 31, 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