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

Current Weather Conditions

WEATHER WARNING: N/A

Sky: OVERCAST
Temperature: 34°F – 1°C
Humidity: 67%
Wind Speed: NE 17 mph
Barometer: 29.94 in (1014.3 MB)
Dew-point: 24°F – -4°C
Visibility: 10 Miles
Wind Chill: 23°F – -5°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 13, 2017

Today: Cloudy – high near 35 with north wind 3 to 7 mph.
Tonight: Cloudy – low around 28 west wind 3 to 5 mph.
Friday: Mostly sunny – high near 44 west wind 5 to 8 mph.
Friday Night: Mostly clear – low around 33 with southwest wind around 6 mph.
Saturday: Sunny – high near 58 with south wind 6 to 8 mph.
Saturday Night: Partly cloudy – low around 39.
Sunday: Rain in the am – high near 49 with chance of precipitation – 80%.
Sunday Night: 30 percent chance of rain after midnight, mostly cloudy – low around 38.
Monday: 20 percent chance of rain in the am, partly sunny – high near 53.
Monday Night: Partly cloudy – low around 36.
Tuesday: Mostly sunny – high near 52.
Tuesday Night: Mostly clear – low around 33.
Wednesday: Sunny – high near 51.

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

Delayed Air Quality Index: 12/13/17 7:00 PM CST

• Good – 27 AQI – Ozone
• Good – 16 AQI – Particle Pollution (2.5 microns)
• Good – 26 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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