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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Forecast Rainfall over the Southwest US through Wednesday
tropical moisture
Hurricane Polo Fuels Flood Threat Across Southwest

Moisture from Hurricane Polo will bring several days of heavy rain and a flood threat to the Southwest before spreading ...

Sep 28, 2026
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hurricane season
Atlantic Tropical Development Possible, But Hawaii May Be the Bigger Concern
Aug 10, 2026