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.

Thunderstorm in Vicinity Heavy Rain Fog/Mist

61°F

16°C

Humidity 93%
Wind Speed W 7 mph
Barometer 29.70 in (1005.4 mb)
Dewpoint 59°F (15°C)
Visibility 1.75 mi
Last update 11 Mar 4:53 am CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 68. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 68 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain and thunderstorms before 1pm, then a chance of rain. Some of the storms could produce heavy rainfall. Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 13 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    High: 65 °F⇓

    Heavy Rain
    then Rain
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 43 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 68. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday
Rain and thunderstorms before 1pm, then a chance of rain. Some of the storms could produce heavy rainfall. Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 13 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 38. Breezy.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 42.
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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:
3:01 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation