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.

Light Rain and Breezy

42°F

6°C

Humidity 82%
Wind Speed W 23 G 36 mph
Barometer 29.52 in (999.4 mb)
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Wind Chill32°F (0°C)
Last update 15 Mar 6:53 pm CDT
Extended Forecast for

Summerfield IL

Wind Advisory March 15, 07:54pm until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 07:54pm until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Tonight

    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 29 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 21 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. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    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

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Tonight
Rain and snow before midnight, then a chance of snow. Low around 23. Breezy, with a west wind 16 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. Total nighttime 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 29 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 21 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. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.
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.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 72.
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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:
7:30 pm CDT Mar 15, 2026
Forecast Valid:
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 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