Two Tropical Depressions Now in the Atlantic Basin May Affect the United States This Week

The National Hurricane Center is issuing advisories on Tropical Depression Eight and Tropical Depression Nine. Tropical Depression Eight might impact the North Carolina Outer Banks early this week, and Tropical Depression Nine might impact parts of the Gulf Coast late in the week. See the National Hurricane Center's web page for more information. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

88°F

31°C

Humidity 55%
Wind Speed E 7 mph
Barometer 30.10 in (1017.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 28 Aug 7:51 pm CDT
Extended Forecast for

Saint Charles MO

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Partly cloudy, with a low around 72. East wind 3 to 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming east around 6 mph in the afternoon.

    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 73. East wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.

    Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. North wind 3 to 5 mph.

    Slight Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Slight Chance
    T-storms

    Low: 65 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 72. East wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. North wind 3 to 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
5:43 pm CDT Aug 28, 2016
8pm CDT Aug 28, 2016-6pm CDT Sep 4, 2016
 
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