Preview of NWS' New Point Forecast Icons
Effective July 7, 2015, NWS will implement changes to the icons depicted on all of its Point Forecast pages. Highlights will include new icons with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

You may preview these updates in real time for this location. View additional details, and send any comments to icons@noaa.gov.

Please note the preview site is not operational, so performance may be slow during periods of peak access.

Severe weather and flash flooding will be possible again on Thursday

Severe weather will be possible Thursday from the southern Plains to the southern Appalachians. Damaging winds and large hail are the primary threats. In addition, heavy rainfall could lead to flash flooding across portions of the Tennessee and Ohio Valleys.
Read More...

Hazardous Weather Conditions

Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

77°F

25°C

Humidity 64%
Wind Speed N 10 mph
Barometer 29.89 in (1010.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Jul 5:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 66 °F

  • Friday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 81 °F

  • Friday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 67 °F

  • Independence
    Day

    Mostly Sunny

    Mostly
    Sunny

    High: 83 °F

  • Saturday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 69 °F

  • Sunday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 86 °F

  • Sunday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 71 °F

  • Monday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 87 °F

  • Monday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    Low: 72 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North wind 5 to 9 mph.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind around 7 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind 3 to 6 mph.
Independence Day
Mostly sunny, with a high near 83. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 69. Southeast wind 3 to 7 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Cloudy, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
  Click Map For Forecast
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
3:24 pm CDT Jul 2, 2015
7pm CDT Jul 2, 2015-6pm CDT Jul 9, 2015
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database