St. Louis Weather and Air Quality Index (AQI) as reported by National Weather Service and AirNow.Gov
STL.News will report weather conditions and forecast for the St. Louis, Missouri and surrounding areas that is provided by the National Weather Service as well as the Air Quality Index (AQI), which is monitored and reported by AirNow.Gov. Data and Forecast courtesy of Missouri Department of Natural Resources.
What is weather? It is the state of the atmosphere determined by weather it is hot, cold, wet, dry, calm, stormy, clear or cloudy.
The major of weather phenomena occur within the lowest level of the atmosphere, the troposphere and just below the stratosphere.
St. Louis and parts of the mid-west are known for their unpredictable weather patterns. We have partnered with some of the best and most reliable resources to help us to report the weather timely. For the latest news, news headlines and weather forecast refer to our Current Events page.
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