St Louis Weather Conditions & Forecast, January 10, 2018

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

ST LOUIS, MO/January 10, 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: 41°F – 5°C
Humidity: 100%
Wind Speed: S 7 mph
Barometer: 29.97 in (1015.5 MB)
Dew-point: 41°F – 5°C
Visibility: 1.25 Miles
Wind Chill: 36°F – 2°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for the St Louis, Missouri area beginning January 10, 2018

Overnight: Patchy fog, cloudy – temperature around 41 with south wind around 6 mph.
Wednesday: Patchy fog in the am, cloudy – high near 54 with south wind 8 to 17 mph, gusting as high as 28 mph.
Wednesday Night: 30 percent chance of rain after midnight, cloudy – low around 53 with south wind around 10 mph.
Thursday: Rain likely in the am, cloudy – temperature falling to around 42 by 5 pm with south wind around 9 mph with chance of precipitation – 60%.
Thursday Night: Rain, snow, freezing rain, & sleet likely early pm, then sleet likely mixed with snow between 10 pm and 11 pm, then snow likely after 11 pm.  Cloudy – low around 20 with northwest wind 10 to 13 mph gusting as high as 28 mph with a chance of precipitation – 60% with little or no ice accumulation expected.  New snow/sleet accumulation less than a 1/2 inch.
Friday: 20 percent chance of snow, mostly cloudy – high near 29.
Friday Night: 30 percent chance of snow, mostly cloudy – low around 19.
Saturday: Cloudy – high near 24.
Saturday Night: Partly cloudy – low around 7.
Sunday: Mostly sunny – high near 22.
Sunday Night: 20 percent chance of snow, mostly cloudy – low around 14.
M.L.King Day: Partly sunny – high near 27.
Monday Night: Partly cloudy – low around 8.
Tuesday: Sunny/cold – high near 20.

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

Delayed Air Quality Index: 01/10/18 4:00 AM CST

  • Good – 34 AQI – Particle Pollution (2.5 microns)
  • Good – 4 AQI – Ozone
  • Good – 5 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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