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

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Eight
  • 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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