A series of autumn-like storm systems crossing the Northern Tier is providing a large variety of weather across the country mid and late week. Ahead of these systema, southerly winds is driving summer heat and humidity across the South and East while it feels more like autumn behind the front over Montana and Dakotas as well as the Upper Midwest eventually with persistent rain making it look and feel particularly dismal. In between the summer and autumn air masses we have a significant severe weather threat.

Upcoming 5-day mean 2m temp anomaly

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NATIONAL OVERVIEW

Looking and feeling like July on the Plains, across the South and up the East Coast. Check out the near 90F lows and 111F highs over Oklahoma.

Severe threat in between.

Heat and humidity across the Southeast will allow routine PM pop-up thunderstorm development.

By Friday and another system moves through enhancing the severe threat.

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