St Louis Weather Conditions & Forecast, January 30, 2018

St Louis Weather Conditions & Forecast, January 30, 2018

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

ST LOUIS, MO/January 30, 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

Hazardous Weather Outlook

Temperature: 19°F – -7°C
Humidity: 84%
Wind Speed: W 3 mph
Barometer: 30.50 in (1034.3 MB)
Dew-point: 15°F – -9°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 30, 2018

Today: Increasing clouds – high near 41 with light/variable south wind 6 to 11 mph in the pm.
Tonight: Partly cloudy – low around 34 with south wind 11 to 14 mph gusting as high as 22 mph.
Wednesday: Partly sunny – high near 58 with southwest wind 7 to 11 mph gusting as high as 20 mph.
Wednesday Night: Mostly cloudy – low around 35 with SW wind around 6 mph becoming calm.
Thursday: Chance of rain/snow early am followed by a chance of rain before noon, mostly cloudy – high near 41 with northwest wind 5 to 11 mph and chance of precipitation – 20%.
Thursday Night: Mostly clear – low around 14.
Friday: Sunny – high near 33.
Friday Night: Mostly cloudy – low around 25.
Saturday: 30 percent chance of rain in the pm, mostly cloudy – high near 47.
Saturday Night: Chance of rain before 9 pm followed by a chance of rain and snow between 9 pm and 10 pm followed by a chance of snow after 10 pm, mostly cloudy – low around 21 with chance of precipitation – 30%.
Sunday: 40 percent chance of snow, mostly cloudy – high near 27.
Sunday Night: Mostly cloudy – low around 13.
Monday: Mostly sunny – high near 33.

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

Delayed Air Quality Index: 01/30/18 1:00 AM CST

  • Good – 40 AQI – Particle Pollution (2.5 microns)
  • Good – 13 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.


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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