St Louis Weather Conditions & Forecast, April 17, 2018

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

ST LOUIS, MO – St Louis weather conditions & forecast readings from the St. Louis Lambert International Airport at 5:51 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 Conditions

Temperature: 33°F – 1°C
Humidity: 78%
Wind Speed: SW 3 mph
Barometer: 30.04 in (1017.7 MB)
Dew-point: 27°F – -3°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 April 17, 2018

Overnight: Widespread frost, otherwise, clear – low around 32 with calm wind.
Tuesday: Widespread frost before 9 am, otherwise, sunny – high near 61 with calm wind becoming south around 5 mph in the pm.
Tuesday Night: Mostly cloudy – low around 48 with east wind 6 to 10 mph.
Wednesday: Partly sunny – high near 65, breezy, with a south wind 10 to 20 mph becoming west in the pm with winds gusting as high as 33 mph.
Wednesday Night: Mostly cloudy – low around 37, breezy with a northwest wind 11 to 20 mph gusting as high as 32 mph.
Thursday: Mostly sunny – high near 55.
Thursday Night: Mostly clear – low around 37.
Friday: Sunny – high near 59.
Friday Night: Mostly cloudy – low around 42.
Saturday: Partly sunny – high near 61.
Saturday Night: Mostly cloudy – low around 46.
Sunday: Mostly cloudy – high near 62.
Sunday Night: Mostly cloudy – low around 47.
Monday: Partly sunny – high near 66.

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

Delayed Air Quality Index: NOT AVAILABLE

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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