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.

Overcast

15°F

-9°C

Humidity 74%
Wind Speed N 15 mph
Barometer 30.49 in (1033.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 30 Jan 9:53 pm CST
Extended Forecast for

Smithton IL

  • Tonight

    Tonight: A chance of flurries before 3am. Mostly cloudy, with a low around 5. North wind around 11 mph, with gusts as high as 22 mph.

    Low: 5 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 19 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Northwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind around 6 mph becoming light and variable after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of flurries before 3am. Mostly cloudy, with a low around 5. North wind around 11 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 2. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 30. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 19. South wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
9:26 pm CST Jan 30, 2026
Forecast Valid:
11pm CST Jan 30, 2026-6pm CST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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