St. Louis Weather Conditions and Forecast, November 17, 2017

St. Louis Weather Conditions and Forecast, November 17, 2017

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

ST. LOUIS, MO/November 17, 2017 (STL.News) St. Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 6:51 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 Weather Conditions

Temperature: 36°F – 2°C
Humidity: 93%
Wind Speed: SE 16 mph
Barometer: 30.05 in (1018.2 MB)
Dew-point: 34°F – 1°C
Visibility: 4 Miles
Wind Chill: 26°F – -3°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St. Louis, Missouri area beginning November 17, 2017

Today: Chance of drizzle after 4 pm, cloudy – high near 60, south wind 9 to 15 mph gusting as high as 24 mph.
Tonight: Chance of showers/thunderstorms after 5 am, cloudy – temperature rising to a high 62 by 4 am with south wind 9 to 14 mph gusting as high as 23 mph with  chance of precipitation – 70%.
Saturday: Showers, possibly a thunderstorm before 9 am followed by showers between 9 am and noon, then rain in the pm – temperature falling to around 42 by 4 pm, breezy with a southwest wind 13 to 18 mph becoming northwest 19 to 24 mph in the pm, winds gusting as high as 37 mph with chance of precipitation – 80%.
Saturday Night: Mostly clear – low around 31 with northwest wind 16 to 21 mph, decreasing to 8 to 13 mph in the pm with winds gusting as high as 29 mph.
Sunday: Sunny – high near 45 with northwest wind 5 to 8 mph.
Sunday Night: Mostly clear – low around 33.
Monday: Sunny – high near 57.
Monday Night: Mostly clear – low around 40.
Tuesday: Mostly sunny – high near 54.
Tuesday Night: Partly cloudy – low around 31.
Wednesday: Sunny – high near 44.
Wednesday Night: Partly cloudy – low around 31.
Thanksgiving Day: Mostly sunny – high near 50.

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

Delayed Air Quality Index: 11/17/17 6:00 AM CST

  • Moderate – 62 AQI – Particle Pollution (2.5 microns)
  • Good – 6 AQI – Ozone
  • Good – 12 AQI – Particle Pollution (10 microns)

Agency: St. Louis Metropolitan Area (American Lung Association) – Last Update: Fri, 17 Nov 2017 06:45:08 CST

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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