St Louis Weather Conditions and Forecast, December 05, 2017

St Louis Weather Conditions and Forecast, December 05, 2017

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

ST LOUIS, MO/December 05, 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: 38°F – 3°C
Humidity: 62%
Wind Speed: NW 20 Gusting up to 31 mph
Barometer: 30.06 in (1018.0 MB)
Dew-point: 26°F – -3°C
Visibility: 10 Miles
Wind Chill: 28°F – -2°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 05, 2017

Today: Mostly cloudy – high near 43 with west wind 13 to 16 mph gusting as high as 30 mph.
Tonight: Clear – low around 31 with southwest wind 6 to 11 mph.
Wednesday: Sunny – high near 45 with northwest wind 10 to 15 mph gusting as high as 22 mph.
Wednesday Night: Mostly cloudy – low around 24 with northwest wind 8 to 10 mph.
Thursday: Mostly sunny – high near 33 with northwest wind 9 to 11 mph.
Thursday Night: Partly cloudy – low around 20.
Friday: Partly sunny – high near 37.
Friday Night: 20 percent chance of snow, mostly cloudy – low around 22.
Saturday: Mostly sunny – high near 31.
Saturday Night: Partly cloudy – low around 24.
Sunday: Sunny – high near 46.
Sunday Night: Mostly clear – low around 30.
Monday: Mostly sunny – high near 46.

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

Delayed Air Quality Index: 12/04/17 8:00 PM CST

  • Good – 44 AQI – Particle Pollution (2.5 microns)
  • Good – 26 AQI – Ozone
  • Good – 13 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


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