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

69°F

21°C

Humidity 49%
Wind Speed W 9 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 5 Nov 10:53 am CST
Extended Forecast for

Sauget IL

  • Today

    Today: Sunny, with a high near 69. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. North wind 5 to 7 mph becoming light and variable after midnight.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between midnight and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 55. Southeast wind 7 to 9 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 73. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Slight Chance
    Rain then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 69. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 37. North wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 65. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
A chance of showers between midnight and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 55. Southeast wind 7 to 9 mph becoming southwest after midnight. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 73. Southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 29.
Veterans Day
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sauget IL
 38.6°N 90.18°W (Elev. 404 ft)
Last Update:
11:11 am CST Nov 5, 2025
Forecast Valid:
11am CST Nov 5, 2025-6pm CST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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