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.

Partly Cloudy

69°F

21°C

Humidity 59%
Wind Speed S 17 G 35 mph
Barometer 29.42 in (996.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Mar 12:53 pm CDT
Extended Forecast for

Summerfield IL

Tornado Watch until March 15, 08:00pm
Wind Advisory until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until March 15, 08:00pm
    Wind Advisory until March 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 68 °F

    Severe
    Thunderstorms
    and Windy

  • Tonight

    Tonight: Rain and snow before midnight, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a west wind around 26 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A slight chance of snow before 1pm, then scattered flurries between 1pm and 3pm. Cloudy, with a high near 28. Blustery, with a northwest wind 26 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of rain, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 68. Windy, with a south wind around 31 mph, with gusts as high as 43 mph. Chance of precipitation is 80%.
Tonight
Rain and snow before midnight, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a west wind around 26 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 1pm, then scattered flurries between 1pm and 3pm. Cloudy, with a high near 28. Blustery, with a northwest wind 26 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 14. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.58°N 89.75°W (Elev. 453 ft)
Last Update:
2:01 pm CDT Mar 15, 2026
Forecast Valid:
2pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation