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.

Fair

43°F

6°C

Humidity 86%
Wind Speed Calm
Barometer 29.82 in (1009.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Nov 1:53 am CST
Extended Forecast for

Sauget IL

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a low around 41. Light northwest wind.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 3am, then a chance of sprinkles and flurries between 3am and 5am, then a chance of flurries after 5am. Increasing clouds, with a low around 36. South wind 6 to 11 mph becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain
    then Chance
    Sprinkles/Flurries

  • Sunday

    Sunday: A chance of sprinkles and flurries before 11am, then a chance of sprinkles between 11am and 4pm, then a chance of sprinkles and flurries after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 42 °F

    Chance
    Sprinkles/Flurries

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 41. Light northwest wind.
Saturday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of rain before 3am, then a chance of sprinkles and flurries between 3am and 5am, then a chance of flurries after 5am. Increasing clouds, with a low around 36. South wind 6 to 11 mph becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Sunday
A chance of sprinkles and flurries before 11am, then a chance of sprinkles between 11am and 4pm, then a chance of sprinkles and flurries after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 27. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 28.
Veterans Day
Partly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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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:
1:56 am CST Nov 8, 2025
Forecast Valid:
2am CST Nov 8, 2025-6pm CST Nov 14, 2025
 
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