Heat Will Continue in the Southeast and Portions of the West

A very hot and humid airmass will persist over portions of the southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. A few severe thunderstorms will be possible over the Plains and the Middle Atlantic with heavy rain potential in the south. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

89°F

32°C

Humidity 55%
Wind Speed Calm
Barometer 29.96 in (1013.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 27 Jul 1:51 pm CDT
Extended Forecast for

Saint Charles MO

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Mostly sunny, with a high near 89. East wind 3 to 5 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms

    High: 89 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 72. Southeast wind around 6 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Mostly cloudy, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. North wind 3 to 7 mph.

    Chance
    T-storms

    Low: 69 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    Chance
    T-storms

    High: 85 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    Chance
    T-storms

    High: 87 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. East wind 3 to 5 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Southeast wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly cloudy, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 3 to 7 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
11:45 am CDT Jul 27, 2016
2pm CDT Jul 27, 2016-6pm CDT Aug 2, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database