Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

22°F

-6°C

Humidity 85%
Wind Speed S 6 mph
Barometer 30.39 in (1029.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 12 Jan 1:53 am CST
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Clear, with a low around 23. South wind 3 to 7 mph.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 51. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. South wind 6 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 38. West wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon.  Mostly cloudy, with a high near 43. Breezy.  Chance of precipitation is 20%.

    High: 43 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 23. South wind 3 to 7 mph.
Monday
Sunny, with a high near 51. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 35. South wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 60. West wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. Blustery.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
12:31 am CST Jan 12, 2026
2am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database