National Weather Service United States Department of Commerce

Severe Thunderstorms in the Plains Monday; Another Round of Hot to Excessively Hot Temperatures Coming to the Central and Western U.S.

Severe thunderstorms will be possible Monday across the northern and central Plains centered over Nebraska and South Dakota. Areas of damaging winds and sporadic hail will be possible. Another round of hot temperatures arrives Monday over the central and southern U.S. spreading into the Eastern U.S. by Independence Day. Excessive heat will begin to impact portions of California Tuesday. Read More >

Red Flag Warnings are in effect for the North Bay Interior Mountains, Marin and Sonoma Coastal Ranges, and East Bay Hills. A Red Flag Warning will be in effect from 11PM Monday to 11PM Tuesday for the Marin and Sonoma Coastal Ranges and East Bay Hills. A Red Flag Warning will remain in effect from 11PM Monday to 5PM Wednesday across the North Bay Interior Mountains.
An Excessive Heat Warning with temperatures in the upper 90’s to 110° and a Heat Advisory with temperatures in the lower 80’s to mid 90’s has been issued from 11 AM Tuesday through 8 PM Saturday. Temperatures will remain cooler near the coast with continued onshore flow. In addition, limited overnight cooling is expected for areas away from the immediate coast and in higher terrain. Never leave people or pets in vehicles. Limit outdoor activities during the afternoon and evening. Stay hydrated and take cooling breaks.
The collection of regional temperature and precipitation data that makes up the RTP product will be automated starting July 1. The RTP product will continue to go out twice every day and will include area climate sites. As with the current product, all data are considered preliminary and subject to revision until certified by the National Center for Environmental Information.

 

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