St Louis Weather Conditions and Forecast, December 09, 2017

St Louis Weather Conditions and Forecast, December 09

St Louis Weather Conditions and Forecast, December 09, 2017
St Louis Weather Conditions and Forecast, December 09, 2017

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

ST LOUIS, MO/December 09, 2017 (AP)(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

Sky: FAIR
Temperature: 20°F – -7°C
Humidity: 68%
Wind Speed: S 8 mph
Barometer: 30.19 in (1023.5 MB)
Dew-point: 11°F – -12°C
Visibility: 10 Miles
Wind Chill: 10°F – -12°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 09, 2017

Today: Chance of flurries 8 am and 9 am, mostly cloudy – high near 38 with northwest wind 11 to 17 mph gusting as high as 26 mph.
Tonight: Mostly clear – low around 25 with northwest wind 5 to 9 mph.
Sunday: Sunny – high near 50 with southwest wind 7 to 13 mph gusting as high as 21 mph.
Sunday Night: Mostly clear – low around 32 with west wind 5 to 9 mph.
Monday: Mostly sunny – high near 56. Breezy southwest wind 7 to 12 mph, northwest 15 to 20 mph in the afternoon gusting as high as 36 mph.
Monday Night: Partly cloudy – low around 28.
Tuesday: Mostly sunny – high near 35.
Tuesday Night: Partly cloudy – low around 24.
Wednesday: Mostly sunny – high near 48.
Wednesday Night: Partly cloudy – low around 31.
Thursday: Partly sunny – high near 44.
Thursday Night: Partly cloudy – low around 29.
Friday: Mostly sunny – high near 48.

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

Delayed Air Quality Index: 12/09/17 5:00 AM CST

  • Good – 38 AQI – Particle Pollution (2.5 microns)
  • Good – 21 AQI – Ozone
  • Good – 15 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.

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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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