St Louis Weather Conditions & Forecast, February 13, 2018

St Louis Weather Conditions & Forecast, February 13, 2018

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

ST LOUIS, MO/February 13, 2018 (STL.News) 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.).

Current Conditions

Temperature: 22°F – -6°C
Humidity: 89%
Wind Speed: Calm
Barometer: 30.59 in (1037.0 MB)
Dew-point: 19°F – -7°C
Visibility: 8 Miles
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 February 13, 2018

Today: Mostly sunny – high near 46 with light/variable wind becoming south around 6 mph in the am.
Tonight: 20 percent chance of showers early am with increasing clouds – low around 38 with south wind around 6 mph.
Wednesday: 30 percent chance of showers in the am, mostly cloudy – high near 62 with south wind 6 to 8 mph.
Wednesday Night: Mostly cloudy – low around 53 with southwest wind around 8 mph.
Thursday: 40 percent chance of showers, cloudy – high near 69 with southwest wind 7 to 13 mph gusting as high as 22 mph.
Thursday Night: Rain showers likely before 4 am followed by a chance of rain/snow showers between 4 am and 5 am followed by a chance of snow after 5 am, cloudy – low around 31 with chance of precipitation – 60%
Friday: Chance of snow, mixing with rain after 11, mostly cloudy – high near 37 with chance of precipitation – 20%.
Friday Night: Partly cloudy – low around 24.
Saturday: Mostly sunny – high near 47.
Saturday Night: Mostly clear – low around 31.
Sunday: Chance of rain/snow, mostly sunny – high near 54 with chance of precipitation – 30%.
Sunday Night: 30 percent chance of rain, mostly cloudy – low around 40.
Washington’s Birthday: 30 percent chance of rain, mostly cloudy – high near 56.

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

Delayed Air Quality Index: 02/12/18 11:00 PM CST

  • Moderate – 57 AQI – Particle Pollution (2.5 microns)
  • Good – 20 AQI – Ozone
  • Good – 11 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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