National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

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Last Map Update: Wed, Mar 11, 2026 at 5:46:15 am PDT

Widespread minor HeatRisk is expected through Saturday with temperatures well above normal. To mitigate your risk: drink plenty of water or sports drink, do not leave children or pets in unattended vehicles, leave windows open at night and/or use fans, and reduce activities outdoors and seek shade when possible.
Moderate HeatRisk is expected Sunday through Tuesday with temperatures well above normal. To mitigate your risk: drink plenty of water or sports drink, do not leave children or pets in unattended vehicles, take frequent breaks in air conditioning or shade, and shift activities outdoors to cooler times of the day.
With well above normal temperatures and people flocking to the beach, it's important to know that even though the air will be hot, the ocean will remain cold. Remember to always wear your life jacket and never turn your back on the ocean!

 

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