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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

66°F

19°C

Humidity 68%
Wind Speed N 10 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 May 4:53 pm CDT
Extended Forecast for

Sauget IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind 3 to 7 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 71. East wind 6 to 9 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. East wind 5 to 8 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers, mainly after 7am. High near 74. East wind around 8 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 60. East wind around 6 mph becoming light and variable in the evening.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind 3 to 7 mph.
Thursday
Partly sunny, with a high near 71. East wind 6 to 9 mph.
Thursday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. East wind 5 to 8 mph.
Friday
Showers, mainly after 7am. High near 74. East wind around 8 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 60. East wind around 6 mph becoming light and variable in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Memorial Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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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:
5:31 pm CDT May 20, 2026
Forecast Valid:
5pm CDT May 20, 2026-6pm CDT May 27, 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