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

47°F

8°C

Humidity 74%
Wind Speed NW 12 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 1 Nov 5:53 pm CDT
Extended Forecast for

3 Miles SE Smithton IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Patchy frost after midnight. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, clear, with a low around 35. Light south wind.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 65. South wind 5 to 7 mph becoming west in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 8pm. Patchy frost after midnight. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Calm wind.
Sunday Night
Patchy frost after 2am. Otherwise, clear, with a low around 35. Light south wind.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 65. South wind 5 to 7 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 67.
Thursday Night
A 20 percent chance of rain and thunderstorms. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 48.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Smithton IL
 38.37°N 89.96°W (Elev. 410 ft)
Last Update:
5:56 pm CDT Nov 1, 2025
Forecast Valid:
6pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation