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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Severe weather briefings from Jess, delivered when conditions warrant.

lightning safety
Record-Breaking Heat Wave Continues Into the Fourth of July

A record-breaking heat wave continues across the eastern United States heading into the Fourth of July. Learn what ...

Jul 2, 2026
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lightning safety
NCAA Baseball Regional Weather Forecast | Weatherstem
May 29, 2026