Weatherstem

On The Radar
with Jess

Timely weather insights, operational updates, and expert commentary from Weatherstem's meteorology team to help you stay ahead of the storm.

Jessica Arnoldy
Jessica Arnoldy
Director, Meteorology Services

19.5 years at The Weather Channel. MS Meteorology, Penn State. BS Earth & Atmospheric Sciences, Georgia Tech. Writing operational weather briefings for emergency managers, athletic directors, and operations teams.

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ECMWF ensemble 500mb height anomaly map showing ridge building over eastern US ahead of Memorial Day Weekend 2026
severe weather
May 13: Severe Weather Ramps Up Heading into Memorial Day Weekend

Tornado and severe storm threats ramp up across the Plains through Memorial Day weekend, while record heat builds in ...

May 14, 2026
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