St Louis Weather Conditions and Forecast, December 07, 2017

St Louis Weather Conditions, Forecast & Air Quality Index readings published by STL.News

ST LOUIS, MO/December 07, 2017 (STL.News) St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 3:51 a.m at Latitude: 38.75°N, Longitude: 90.37°W – Elevation 604 feet.  Forecast is provided by the National Weather Service (N.W.S.).

Current Weather Conditions

Temperature: 28°F – -2°C
Humidity: 63%
Wind Speed: NW 15 mph
Barometer: 30.26 in (1025.6 MB)
Dew-point: 17°F – -8°C
Visibility: 10 Miles
Wind Chill: 16°F – -9°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 07, 2017

Today: Mostly cloudy – high near 33 with northwest wind 8 to 14 mph gusting as high as 21 mph.
Tonight: Mostly clear – low around 18 with northwest wind around 6 mph.
Friday: Mostly sunny – high near 40 with southwest wind 3 to 7 mph.
Friday Night: Mostly cloudy – low around 27 with southwest wind 5 to 7 mph.
Saturday: Mostly sunny – high near 37 with northwest wind 8 to 13 mph gusting as high as 26 mph.
Saturday Night: Mostly clear – low around 21.
Sunday: Sunny – high near 39.
Sunday Night: Mostly clear – low around 33.
Monday: Mostly sunny – high near 45.
Monday Night: Chance of rain/snow after 10pm, mostly cloudy – low around 29.  Chance of precipitation – 30%.
Tuesday: Partly sunny – high near 37.
Tuesday Night: Partly cloudy – low around 26.
Wednesday: Mostly sunny – high near 43.

Air Quality Index for Saint Louis, Missouri – (A.Q.I.)

Delayed Air Quality Index: 12/07/17 1:00 AM CST

  • Good – 25 AQI – Ozone
  • Good – 17 AQI – Particle Pollution (2.5 microns)
  • Good – 10 AQI – Particle Pollution (10 microns)

Agency: St. Louis Metropolitan Area (American Lung Association)

Air Quality Index (A.Q.I.)

Good – Air quality in considered “satisfactory” and air pollution poses little to no threat.

Moderate – Air quality is considered “acceptable.”  However, some pollutants there may be a moderate health concern for a very small number of people who are sensitive to air pollution.

USG – while the general public will not likely be affected by this AQI range, people with lung disease, older adults and children are a great risk from exposure to ozone, whereas, persons with heart and lung disease, old adults and children are at greater risk from the presence of particles in the air.

Unhealthy – Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.

Very Unhealthy – Health Alert: everyone may experience more serious health effects.


Source: Current Weather Conditions and Forecast are obtained from the National Weather Service @ Forecast.Weather.Gov – Air Quality Index (AQI) readings are obtained from AirNow.Gov –  (MS)


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