St Louis Weather Conditions & Forecast, December 24, 2017

St Louis Weather Conditions & Forecast, December 24, 2017

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

ST LOUIS, MO/December 24, 2017 (STL.News) St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 7:51 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

WEATHER WARNING: Hazardous Weather Outlook

Sky: OVERCAST
Temperature: 26°F – -3°C
Humidity: 81%
Wind Speed: N 6 mph
Barometer: 30.18 in (1023.0 MB)
Dew-point: 21°F – -6°C
Visibility: 10 Miles
Wind Chill: 19°F – -7°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning December 24, 2017

Today: Snow – high near 29 with light/variable wind northwest 9 to 14 mph in the am gusting as high as 24 mph with chance of precipitation – 90%.  Total daytime snow accumulation estimated to be an inch possible.
Tonight: Mostly cloudy – low around 20 with west wind 9 to 14 mph gusting as high as 25 mph.
Christmas Day: Increasing clouds – high near 32 with west wind 5 to 9 mph becoming light in the pm.
Monday Night: Mostly cloudy – low around 18 with light/variable wind northeast around 6 mph after midnight.
Tuesday: 20 percent chance of snow before in the am, mostly cloudy – high near 21 with north wind 6 to 8 mph.
Tuesday Night: Mostly cloudy – low around 9.
Wednesday: Mostly sunny/cold – high near 19.
Wednesday Night: 20 percent chance of snow after midnight, mostly cloudy – low around 14.
Thursday: 20 percent chance of snow after in the pm – mostly cloudy – high near 27.
Thursday Night: 30 percent chance of snow before midnight, mostly cloudy – low around 19.
Friday: 20 percent chance of snow, partly sunny – high near 30.
Friday Night: Mostly cloudy – low around 15.
Saturday: Mostly cloudy – high near 25.

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

Delayed Air Quality Index: 12/24/17 7:00 AM CST

  • Good – 39 AQI – Particle Pollution (2.5 microns)
  • Good – 14 AQI – Ozone
  • Good – 8 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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