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.

Mostly Cloudy

79°F

26°C

Humidity 60%
Wind Speed S 12 G 22 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Apr 11:53 am CDT
Extended Forecast for

Sauget IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 81. South wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 57. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers, mainly before 11am. Temperature falling to around 58 by 9am. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 63 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 6 to 10 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 81. South wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 57. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
Showers, mainly before 11am. Temperature falling to around 58 by 9am. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
Mostly clear, with a low around 40. Northwest wind 6 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 61. Northwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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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:
11:51 am CDT Apr 3, 2026
Forecast Valid:
12pm CDT Apr 3, 2026-6pm CDT Apr 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