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.

Mostly Cloudy

30°F

-1°C

Humidity 56%
Wind Speed NW 12 mph
Barometer 30.09 in (1019.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 19 Jan 12:53 am CST
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Partly cloudy, with a low around 12. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.

    Low: 12 °F

    Partly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 20 °F

    Sunny and
    Blustery then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. West wind around 5 mph becoming light and variable.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Southwest wind 5 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. South wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 12. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 31 mph.
M.L.King Day
Sunny and cold, with a high near 20. Blustery, with a northwest wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Mostly clear, with a low around 12. West wind around 5 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 36. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 27. South wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly cloudy, with a high near 38.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 7.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 20.
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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:
12:56 am CST Jan 19, 2026
Forecast Valid:
1am CST Jan 19, 2026-6pm CST Jan 25, 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