DENVER - It's going to be a pretty typical start to September! A few showers and storms will be possible each afternoon and early evening across Colorado. The storms will bring some relief from the heat that's expected to build by mid-afternoon. These storms will bring a little rain and lightning, but there's no threat of severe weather.
We're seeing a few building clouds right now, with temperatures in the low to mid-80s by lunch. Highs will top out in the upper 80s on the plains this afternoon and the mountains will see 70s and 80s.
The late summer weather pattern often gets rather lazy in the skies over the lower 48 states. The winds aloft become quite light and the upper level temperatures are warm. The combination of low wind speeds and warmer temperatures aloft are just the opposite of what we have in the late spring. In May and early June, the winds aloft are fast and the upper level temperatures chilly - that provides energy and instability for severe thunderstorms.
Tomorrow will be a touch warmer, with highs in the upper 80s to low 90s. Temperatures will stay a few degrees above normal through Thursday.
By the weekend, the flow of moisture from the southwest may ease a bit. Skies will be mostly sunny and temperatures comfortable for early September.
The showers will help to clear the air of the smoke particles that have hung heavy in our skies recently. There are no pollution advisories in effect for either ozone or for wildfire smoke. Pollen counts are also low, making for a pleasant afternoon.
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