Heat Will Continue in the Mid-Atlantic and Southeast

A very hot and humid airmass will persist over portions of the mid-Atlantic and 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. In the central and northern Plains, strong to severe thunderstorms are possible. Read More >

Current conditions at

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

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed NE 5 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Jul 8:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. North wind 3 to 5 mph.

    Mostly Cloudy

    Low: 74 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 87. East wind 3 to 7 mph.

    Chance
    T-storms and
    Patchy Fog

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. East wind 3 to 6 mph.

    Slight Chance
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. East wind 3 to 6 mph.

    Chance
    T-storms

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 73 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Thursday
    Night

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

    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. North wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 87. East wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind 3 to 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. East wind 3 to 6 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 30 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 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
7:45 pm CDT Jul 25, 2016
9pm CDT Jul 25, 2016-6pm CDT Aug 1, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database