Severe Weather in Florida and the Great Plains; Heavy Rainfall in Hawaii and the Gulf Coast

Scattered severe thunderstorms will continue over parts of the north-central Florida Peninsula and develop in the southern Great Plains. New daily record high temperatures are expected for portions of South Florida and southern Texas the next couple of days. Flash flooding is expected in Hawaii. On Thursday, rain may cause additional flooding across east Texas and Louisiana. Read More >

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Last Map Update: Tue, May. 14, 2024 at 7:49:21 pm PDT

Watches, Warnings & Advisories


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	Flood Advisory

Heat Safety

Sierra Nevada Thunderstorms

Cold Water Safety

Snowmelt Flooding

Never leave children, disabled or elderly adults or pets in parked, unattended vehicles! The temperature inside a parked vehicle can rapidly rise to dangerous levels for people and pets. Leaving the windows slightly open does not significantly decrease the heating rate. The effects can be more severe on children because their bodies have not developed the ability to efficiently regulate internal temperature.

A few strong thunderstorms are possible in the Sierra Nevada today through tomorrow afternoon. The primary thunderstorm hazards will be dangerous cloud to ground lightning strikes, small hail, and wind gusts near 45 mph.

With warm temperatures this weekend, area rivers and streams in Central California may look inviting, but can be quite dangerous to those who enter. Reservoirs that are nearly full are releasing sizable volumes of water. Therefore, rivers and streams will run cold, deep, and swift, resulting in potentially life-threatening hazards. Brief exposure to the cold water of a river or stream may lead to hypothermia and loss of dexterity. Swift currents can quickly exhaust even an experienced swimmer and carry them into rocks, trees, and other vegetation within the river channel. Bottom line is that rivers and streams are dangerous places to seek cooling relief from the heat. Venturing into them can result in drowning or water rescue.

As the snowmelt season continues, rivers and streams could see rapid rises, creating dangerous situations. Know your limits and always make sure to take precautions before entering into a river or stream. Here's tips on how to be prepared.