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

WARNING: Hazardous Weather Outlook

Current Weather Conditions

Sky: MOSTLY CLOUDY
Temperature: 36°F – 2°C
Humidity: 59%
Wind Speed: NW 20 Gusting 28 mph
Barometer: 30.12 in (1020.5 MB)
Dew-point: 23°F – -5°C
Visibility: 10 Miles
Wind Chill: 25°F – -4°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 12, 2017

Today: Sunny – high near 40 with northwest wind 8 to 15 mph gusting as high as 25 mph.
Tonight: Mostly clear – low around 28 with west wind 5 to 7 mph.
Wednesday: Mostly sunny – high near 54 with south wind 6 to 13 mph gusting as high as 26 mph.
Wednesday Night: Mostly cloudy – low around 29 with northwest wind 7 to 13 mph gusting as high as 26 mph.
Thursday: Partly sunny – high near 37 with northwest wind 5 to 7 mph.
Thursday Night: Mostly cloudy – low around 27.
Friday: Mostly sunny – high near 42.
Friday Night: Partly cloudy – low around 30.
Saturday: Sunny – high near 55.
Saturday Night: Partly cloudy – low around 37.
Sunday: 20 percent chance of rain, partly sunny – high near 50.
Sunday Night: Partly cloudy – low around 33.
Monday: Sunny – high near 53.

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

Delayed Air Quality Index: 12/11/17 11:00 PM CST

• Good – 27 AQI – Particle Pollution (2.5 microns)
• Good – 24 AQI – Ozone
• Good – 16 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)

___

WEBSITE PAGES – Previous STL.News Weather Forecast – Website Navigation – Current Events – Weather Conditions & Forecast for December 11, 2017 – Sitemap

___

Pictures: will be owned by either St. Louis Media, LLC or licensed to St. Louis Media, LLC d.b.a. STL.News by BigStockPhoto.com and/or iStock.com. For information about a specific photo please email.

The post St Louis Weather Conditions and Forecast, December 12, 2017 appeared first on STL.News.