St. Louis: Current Weather Conditions & Forecast & Air Quality Index (AQI)

Current weather conditions at St. Louis Lambert International Airport and Air Quality Index for St. Louis

Sky: Mostly Cloudy
Temperature: 75°F – 24°C
Humidity: 71%
Wind Speed: Calm
Barometer: 30.06 in (1016.7 mb)
Dewpoint: 65°F – 18°C
Visibility: 10.00 miles
Heat Index: 88°F – 31°C
Last Update: 16, July 2017 6:51 a.m. CDT

Extended Forecast for St. Louis, MO

Hazardous Weather Conditions: Excessive Heat Watch in effect from July 18 until July 21 at 8 pm

Today: Isolated showers – thunderstorms after 4 pm.  Mostly sunny, with a high near 95.  Heat index values as high as 101.  Calm wind west around 5 mph in the morning.  Chance of precipitation is 20%.
Tonight: Scattered showers and thunderstorms, mainly before 9 pm. Partly cloudy, with a low around 72.  Northwest wind around 5 mph becoming light and variable.  Chance of precipitation is 30%.
Monday: Mostly sunny, with a high near 90.  North wind 3 to 5 mph.
Monday Night: Mostly clear, with a low around 73.  Northeast wind around 5 mph becoming calm in the evening.
Tuesday: Sunny and hot, with a high near 98.  Light southeast wind.
Tuesday Night: Mostly clear, with a low around 78.
Wednesday: Sunny and hot, with a high near 101.
Wednesday Night: Mostly clear, with a low around 80.
Thursday: Sunny and hot, with a high near 102.
Thursday Night: Mostly clear, with a low around 81.
Friday: Mostly sunny and hot, with a high near 101.
Friday Night: Partly cloudy, with a low around 80.
Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 100.

AQI (Air Quality Index)

Current Air Quality: 07/16/17 6:00 AM CDT

  • Good – 13 AQI – Ozone
  • Good – 12 AQI – Particle Pollution (2.5 microns)
  • Good – 30 AQI – Particle Pollution (10 microns)

Agency: St. Louis Metropolitan Area (American Lung Association)
Last Update: Sat, 15 Jul 2017 01:15:09 CDT

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Source: Weather from Forecast.Weather.Gov – AQI from AirNow.Gov – STL.News publisher MS with St. Louis Media, LLC

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Wikipedia: Air Quality IndexNational Weather Service

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