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.

Fair

49°F

9°C

Humidity 43%
Wind Speed SW 9 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Jan 7:53 am CST
Extended Forecast for

2 Miles ESE Dupo IL

  • Today

    Today: Increasing clouds, with a high near 64. West wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 32 by 5pm. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 40 °F⇓

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. North wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature rising to around 34 by 3am.

    Low: 28 °F⇑

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 64. West wind 9 to 14 mph, with gusts as high as 26 mph.
Tonight
A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a temperature falling to around 32 by 5pm. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 18. North wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature rising to around 34 by 3am.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
Sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Dupo IL
 38.51°N 90.18°W (Elev. 617 ft)
Last Update:
5:21 am CST Jan 13, 2026
Forecast Valid:
8am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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