National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

38°F

3°C

Humidity 83%
Wind Speed NW 16 mph
Barometer 29.58 in (1001.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 16 Mar 4:53 am CDT
Extended Forecast for

Smithton IL

  • Overnight

    Overnight: A 50 percent chance of rain. Cloudy, with a low around 35. Northwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain and snow before 7am, then a chance of snow between 7am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 30. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 30 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely. Mostly sunny, with a high near 60. Breezy. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Chance Rain
    and Breezy

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 35. Northwest wind around 15 mph, with gusts as high as 23 mph.
Sunday
A chance of rain and snow before 7am, then a chance of snow between 7am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday Night
Clear, with a low around 30. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 65. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 48. South wind 11 to 13 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Rain likely. Mostly sunny, with a high near 60. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 34. Breezy.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 64.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 66.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
3:21 am CDT Mar 16, 2025
Forecast Valid:
5am CDT Mar 16, 2025-6pm CDT Mar 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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