St Louis Weather Conditions and Forecast, December 05, 2017

St Louis Weather Conditions and Forecast, December 05, 2017

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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