Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

75°F

24°C

Humidity 54%
Wind Speed E 10 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Sep 12:51 pm CDT
Extended Forecast for

Saint Louis MO

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 77. East wind around 8 mph.

    Mostly Sunny

    High: 77 °F

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am.  Mostly cloudy, with a low around 63. East wind 5 to 7 mph.

    Mostly Cloudy
    then Chance
    Showers

    Low: 63 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Cloudy, with a high near 79. Light and variable wind becoming south around 6 mph in the afternoon.

    Slight Chance
    T-storms

    High: 79 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. South wind 3 to 6 mph.

    Chance
    T-storms

    Low: 68 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 82. South wind 3 to 7 mph.

    Chance
    T-storms

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 60 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    Partly Sunny

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Partly Cloudy

    Low: 53 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. East wind around 8 mph.
Tonight
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 63. East wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 79. Light and variable wind becoming south around 6 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 3 to 6 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind 3 to 7 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
12:56 pm CDT Sep 23, 2018
1pm CDT Sep 23, 2018-6pm CDT Sep 29, 2018
 
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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