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

59°F

15°C

Humidity 49%
Wind Speed S 10 G 21 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 3 May 9:53 am CDT
Extended Forecast for

Sauget IL

  • Today

    Today: Sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 56. South wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 7 to 10 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 67. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 56. South wind 5 to 7 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 7 to 10 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 67. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 47.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 76.
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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:
8:46 am CDT May 3, 2026
Forecast Valid:
10am CDT May 3, 2026-6pm CDT May 9, 2026
 
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