St Louis Weather Conditions & Forecast, January 2, 2018

St Louis Weather Conditions & Forecast, January 2, 2018

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

ST LOUIS, MO/January 2, 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: 0°F – -18°C
Humidity: 69%
Wind Speed: CALM
Barometer: 30.77 in (1044.5 MB)
Dew-point: -8°F – -22°C
Visibility: 10 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 January 2, 2018

Overnight: Clear – low around -5 with light northwest wind.
Tuesday: Sunny/cold – high near 17 with calm wind becoming west around 6 mph in the pm.
Tuesday Night: Increasing clouds – low around 12 with south wind 5 to 9 mph.
Wednesday: Chance of flurries, mostly sunny – high near 21 with west wind 6 to 9 mph becoming northwest in the pm.
Wednesday Night: Mostly clear – low around 5 with northwest wind 6 to 8 mph.
Thursday: Mostly sunny/cold – high near 15.
Thursday Night: 20 percent chance of snow after midnight, mostly cloudy – low around 7.
Friday: 20 percent chance of snow in the am, mostly sunny and cold – high near 18.
Friday Night: Mostly clear – low around 8.
Saturday: Mostly sunny – high near 28.
Saturday Night: Mostly cloudy – low around 24.
Sunday: Chance of rain/snow, cloudy – high near 42 with a chance of precipitation – 50%.
Sunday Night: Rain/snow likely, mostly cloudy – low around 30 & chance of precipitation – 60%.
Monday: Chance of rain/snow, partly sunny – high near 37, chance of precipitation – 30%.

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

Delayed Air Quality Index: 01/01/18 8:00 PM CST

  • Good – 28 AQI – Ozone
  • Good – 22 AQI – Particle Pollution (2.5 microns)
  • Good – 7 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 – (MS)


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