National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

64°F

18°C

Humidity 99%
Wind Speed Calm
Barometer 29.79 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 May 1:55 am CDT
Extended Forecast for

Chesterfield IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 76 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Light north wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, cloudy, with a low around 60. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. South wind 3 to 5 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 61. Light north wind.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield IL
 39.26°N 90.06°W (Elev. 600 ft)
Last Update:
1:38 am CDT May 17, 2024
Forecast Valid:
2am CDT May 17, 2024-6pm CDT May 23, 2024
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation