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

52°F

11°C

Humidity 34%
Wind Speed S 9 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Mar 5:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.

    Low: 44 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Southeast wind 6 to 14 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Windy. Chance of precipitation is 80%.

    Low: 22 °F

    Rain/Snow and
    Windy

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 29. Windy.

    High: 29 °F

    Slight Chance
    Snow and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 32 mph.
Friday
Mostly sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 63. Southeast wind 6 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 67. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 22. Windy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 29. Windy.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 65.
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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:
5:41 pm CDT Mar 12, 2026
Forecast Valid:
6pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation