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

20°F

-7°C

Humidity 60%
Wind Speed N 9 mph
Barometer 30.31 in (1026.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 29 Jan 6:53 pm CST
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 6. North wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny and cold, with a high near 18. North wind 6 to 11 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 5. North wind around 11 mph, with gusts as high as 24 mph.

    Low: 5 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 19 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 6. North wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Partly sunny and cold, with a high near 18. North wind 6 to 11 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 5. North wind around 11 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 8 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 1. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 33.
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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:
4:46 pm CST Jan 29, 2026
Forecast Valid:
7pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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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