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, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Partly Cloudy

71°F

22°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 May 5:54 pm CDT
Extended Forecast for

2 Miles NW O'Fallon MO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Patchy fog after 3am. Otherwise, cloudy, with a low around 60. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 76 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °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 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Patchy fog after 3am. Otherwise, cloudy, with a low around 60. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 60. Light south wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light and variable wind.
Saturday Night
Mostly clear, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 79.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW O'Fallon MO
 38.81°N 90.74°W (Elev. 499 ft)
Last Update:
6:07 pm CDT May 16, 2024
Forecast Valid:
6pm CDT May 16, 2024-6pm CDT May 23, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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