St Louis Weather Conditions & Forecast, January 13, 2018

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

ST LOUIS, MO/January 13, 2018 (STL.News) St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 3:51 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

Temperature: 13°F – -11°C
Humidity: 74%
Wind Speed: NW 10 mph
Barometer: 30.57 in (1037.1 MB)
Dew-point: 6°F – -14°C
Visibility: 10 Miles
Wind Chill: 0°F – -18°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning January 13, 2018

Today: Partly sunny – high near 23 with north wind 8 to 10 mph.
Tonight: Partly cloudy – low around 8 with north wind 5 to 8 mph, calm in the pm.
Sunday: Increasing clouds – high near 26 with light southeast wind south 5 to 10 mph in the am.
Sunday Night: 20 percent chance of snow early am, mostly cloudy – low around 23 with south wind around 10 mph.
M.L.King Day: Chance of snow in the am, mostly cloudy, temperature falling to around 19 by 5 pm with southwest wind 9 to 15 mph becoming northwest in the pm with winds gusting as high as 22 mph with chance of precipitation – 70%.  New snow accumulation of around one inch possible.
Monday Night: Partly cloudy – low around 2.
Tuesday: Mostly sunny/cold – high near 11.
Tuesday Night: Mostly clear – low around 2.
Wednesday: Sunny/cold – high near 20.
Wednesday Night: Mostly clear – low around 14.
Thursday: Sunny – high near 37.
Thursday Night: Partly cloudy – low around 25.
Friday: Mostly sunny – high near 44.

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

Delayed Air Quality: 01/12/18 12:00 PM CST

  • Good – 22 AQI – Ozone
  • Good – 21 AQI – Particle Pollution (2.5 microns)
  • Good – 10 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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