Heavy rain for portions of the Mid-Atlantic and New England through Saturday

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms across portions of New England and the Mid-Atlantic through Saturday. Abundant moisture will allow occasionally heavy rainfall and flash flooding in these locations. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

80°F

27°C

Humidity 74%
Wind Speed N 5 mph
Barometer 29.93 in (1012.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Jul 10:51 pm CDT
Extended Forecast for

Saint Charles MO

  • Tonight

    Tonight: Mostly clear, with a low around 72. Northwest wind 3 to 5 mph.

    Mostly Clear

    Low: 72 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 86. Northwest wind 3 to 8 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 67. Northwest wind 3 to 8 mph.

    Chance
    T-storms

    Low: 67 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. Northwest wind 3 to 6 mph.

    Chance
    T-storms

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 69. North wind around 6 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 69 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 8am.  Mostly sunny, with a high near 87.

    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74.

    Chance
    T-storms

    Low: 74 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Northwest wind 3 to 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. Northwest wind 3 to 8 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 67. Northwest wind 3 to 8 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind 3 to 6 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. North wind around 6 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Click Map For Forecast
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
10:18 pm CDT Jul 28, 2016
11pm CDT Jul 28, 2016-6pm CDT Aug 4, 2016
 
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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