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 possible for parts of eastern, north-central and southwestern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon across a large portion of the eastern U.S. from the Mid-Atlantic & Ohio Valley into the Deep South. Severe thunderstorms are also possible across parts of the northern Plains & southern Ariz. Damaging wind gusts & large hail will be the main threats with severe thunderstorms that develop in these areas.
Read More...

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

82°F

28°C

Humidity 63%
Wind Speed NW 6 mph
Barometer 29.86 in (1010.0 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 30 Jun 6:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    Low: 70 °F

  • Wednesday

    Heavy Rain Chance for Measurable Precipitation 80%

    Heavy
    Rain

    High: 77 °F

  • Wednesday
    Night

    Heavy Rain Chance for Measurable Precipitation 80%

    Heavy
    Rain

    Low: 66 °F

  • Thursday

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 79 °F

  • Thursday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 65 °F

  • Friday

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    High: 79 °F

  • Friday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 65 °F

  • Independence
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 80 °F

  • Saturday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 67 °F

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. West wind around 6 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 77. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 66. South wind 5 to 7 mph. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Northeast wind 7 to 9 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North wind 5 to 9 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
  Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
6:55 pm CDT Jun 30, 2015
8pm CDT Jun 30, 2015-6pm CDT Jul 7, 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