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

27°F

-3°C

Humidity 51%
Wind Speed W 8 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Jan 12:53 am CST
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: A chance of flurries. Mostly clear, with a low around 21. West wind 9 to 16 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries. Partly sunny, with a high near 26. West wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 26 °F

    Chance
    Flurries

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 11. West wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 11 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Increasing clouds, with a high near 32. Southwest wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 32 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 13 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly clear, with a low around 21. West wind 9 to 16 mph, with gusts as high as 30 mph.
Saturday
A chance of flurries. Partly sunny, with a high near 26. West wind 10 to 17 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. West wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 32. Southwest wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 13. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 37.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 39.
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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:
1:06 am CST Jan 17, 2026
Forecast Valid:
1am CST Jan 17, 2026-6pm CST Jan 23, 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