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

58°F

14°C

Humidity 60%
Wind Speed S 6 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 30 Mar 3:53 am CDT
Extended Forecast for

Summerfield IL

  • Today

    Today: Mostly sunny, with a high near 81. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 33 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy, with a south wind 14 to 23 mph, with gusts as high as 38 mph.

    High: 83 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 76. Northeast wind 8 to 13 mph becoming south in the afternoon. Chance of precipitation is 80%.

    High: 76 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Rain Likely

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 80%.

    High: 76 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 59. Breezy. Chance of precipitation is 80%.

    Low: 59 °F

    Rain and
    Breezy

  • Friday

    Friday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 81. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 64. South wind 9 to 15 mph, with gusts as high as 28 mph.
Tuesday
A 20 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83. Breezy, with a south wind 14 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday
Rain and possibly a thunderstorm. High near 76. Northeast wind 8 to 13 mph becoming south in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
Rain and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm. Low around 59. Breezy. Chance of precipitation is 80%.
Friday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
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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:
1:25 am CDT Mar 30, 2026
Forecast Valid:
4am CDT Mar 30, 2026-6pm CDT Apr 5, 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