St Louis Weather Conditions, Forecast & Air Quality Index readings published by STL.News
ST LOUIS, MO (STL.News) St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 5:51 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 Conditions – Happy Easter
Sky: MOSTLY CLOUDY
Temperature: 30°F – -1°C
Wind Speed: N 12 mph
Barometer: 30.26 in (1025.3 MB)
Dew-point: 23°F – -5°C
Visibility: 10 Miles
Wind Chill: 20°F – -7°C
Heat Index: N/A°F – N/A°C
Extended Weather Forecast for the St Louis, Missouri area beginning April 1, 2018
Today: Chance of rain/snow between, mostly cloudy – high near 38 with north wind around 10 mph – chance of precipitation – 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight: Chance of rain/snow becoming all snow after 7 pm – low around 28 with north wind 5 to 8 mph – chance of precipitation – 100%. New snow accumulation of less than one inch possible.
Monday: 50 percent chance of showers/thunderstorms after 2 pm, mostly cloudy – high near 48 with east wind 6 to 9 mph becoming southeast in the pm.
Monday Night: Chance of showers/thunderstorms before 8 pm followed showers/thunderstorm between 8 pm and 2 am followed by a chance of showers/thunderstorms after 2 am, cloudy – temperature falling to near 46 by 10 pm then rising to around 55 during the remainder of the night with SE wind 9 to 11 mph – chance of precipitation – 60%.
Tuesday: 50 percent chance of showers/thunderstorms, cloudy – high near 65 with south wind 10 to 18 mph becoming west in the pm with winds gusting as high as 30 mph.
Tuesday Night: 50 percent chance of showers before 8 pm, mostly cloudy – low around 30.
Wednesday: Sunny – high near 46.
Wednesday Night: Mostly clear – low around 30.
Thursday: Partly sunny – high near 55.
Thursday Night: Chance of showers between 8 pm and 2 am, mostly cloudy – low around 38 – chance of precipitation – 20%.
Friday: 40 percent chance of showers, mostly cloudy – high near 50.
Friday Night: Chance of rain/snow showers, mostly cloudy – low around 30 – chance of precipitation – 50%.
Saturday: 20 percent chance of snow showers, partly sunny – high near 47.
Air Quality Index for Saint Louis, Missouri – (A.Q.I.)
Delayed Air Quality Index: 03/31/18 8:00 PM CDT
- Good – 36 AQI – Ozone
- Good – 26 AQI – Particle Pollution (2.5 microns)
- Good – 9 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