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

32°F

0°C

Humidity 41%
Wind Speed W 8 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 8:53 pm CST
Extended Forecast for

Smithton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Northwest wind 6 to 16 mph, with gusts as high as 31 mph.

    Low: 11 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 22 °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 37. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. South wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °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 36.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Northwest wind 6 to 16 mph, with gusts as high as 31 mph.
M.L.King Day
Sunny, with a high near 22. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 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 37. Light south wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 27. South wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 40.
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 26.
Saturday Night
A 30 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
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ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
7:36 pm CST Jan 18, 2026
Forecast Valid:
8pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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