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

61°F

16°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Dec 4:53 am CST
Extended Forecast for

Sauget IL

  • Today

    Today: Partly sunny, with a high near 69. Southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 61. South wind 6 to 8 mph.

    Low: 61 °F

    Chance Rain

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 72. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    High: 72 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 22 °F

    Rain/Snow
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 69. Southwest wind 5 to 9 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, with a low around 46. Light and variable wind.
Saturday
Mostly cloudy, with a high near 68. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 61. South wind 6 to 8 mph.
Sunday
Rain and possibly a thunderstorm. High near 72. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Sunday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Partly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sauget IL
 38.6°N 90.18°W (Elev. 404 ft)
Last Update:
3:41 am CST Dec 26, 2025
Forecast Valid:
5am CST Dec 26, 2025-6pm CST Jan 1, 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