Trough axis set to move through early this evening and usher in chillier weather for the evening commute and overnight into Sunday. In the mid-levels (below), a trough will be present north-south from North Dakota into central Colorado early this evening. Out ahead of the trough advancement, west-northwesterly flow will gradually take over as the afternoon wears on today. Highs …

Andy

Andy

Born and raised in St. Louis, Andrew obtained a Ph.D. in Atmospheric Science from the University of Colorado in 2015. From 2015 to 2020, he worked remotely in Boulder as an atmospheric scientist with NOAA's Atlantic Oceanographic and Meteorological Laboratory in Miami. Andy is now a full-time meteorologist.

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