St Louis Weather Conditions, Forecast & Air Quality Index readings published by STL.News
ST LOUIS, MO – St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 4:51 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.).
Sky: MOSTLY CLOUDY
Temperature: 67°F – 19°C
Wind Speed: W 3 mph
Barometer: 30.00 in (1015.0 MB)
Dew-point: 64°F – 18°C
Visibility: 10 Miles
Heat Index: N/A°F – N/A°C
Wind Chill: N/A°F – N/A°C
Heat Index: N/A°F – N/A°C
Extended Weather Forecast for the St Louis, Missouri area beginning May 22, 2018
Today: Patchy fog before 8 am, mostly cloudy, becoming sunny – high near 85 with NW wind 3 to 6 mph.
Tonight: Mostly clear – low around 66 with north wind around 6 mph becoming light/variable.
Wednesday: Sunny – high near 87 with east wind around 6 mph.
Wednesday Night: Mostly clear – low around 66 with east wind 3 to 5 mph.
Thursday: Sunny – high near 87 with east wind 3 to 6 mph.
Thursday Night: Mostly clear – low around 67.
Friday: Mostly sunny – high near 88.
Friday Night: Partly cloudy – low around 68.
Saturday: 20 percent chance of showers/thunderstorms, mostly sunny – high near 88.
Saturday Night: 20 percent chance of showers/thunderstorms before 1 am, partly cloudy – low around 70.
Sunday: 20 percent chance of showers/thunderstorms, mostly sunny – high near 87.
Sunday Night: 20 percent chance of showers/thunderstorms, partly cloudy – low around 68.
Memorial Day: 30 percent chance of showers/thunderstorms, mostly sunny – high near 86.
Air Quality Index for Saint Louis, Missouri – (A.Q.I.)
Delayed Air Quality Index: 05/21/18 4:00 AM CDT
Good – 37 AQI – Ozone
Good – 18 AQI – Particle Pollution (2.5 microns)
Good – 5 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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