National Weather Service United States Department of Commerce

Dangerous Heatwave Across the Western U.S; Hot and Humid in the Southeast and Mid-Atlantic

A heatwave is poised to bring record-breaking temperatures across the Western United States through the weekend. Triple digit high temperatures are expected as Excessive Heat Warnings are in effect. Hot and humid conditions will spread into the Southeast and Mid-Atlantic through the weekend and into next week. Heat index values up to 110 degrees will be possible. Read More >

San Joaquin Valley, CA

Weather Forecast Office

NWS Forecast Office Hanford, CA

Weather.gov > San Joaquin Valley, CA

Dangerous Heat
Fire Danger for the Holiday Week
Cold Water Safety
Temperatures are expected to reach dangerous levels across the San Joaquin Valley, West Side Hills, Sierra Foothills, Yosemite Valley, Kern River Valley and Kern County Deserts through the holiday week, this weekend, and into next week. Please keep in mind to stay hydrated and cool.
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Elevated fire danger will be present across California this week due to widespread afternoon temperatures near 110 degrees, minimum relative humidity less than 20%, and dry fuel loads throughout the central valley. Take appropriate measures to mitigate the initiation and spread of grass fires, including foregoing the use of fireworks for the Fourth of July.
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Warm air temperatures do not mean warm water temperatures. Cold water can very quickly remove heat from the body and lead to a loss of movement in the limbs. When heading into rivers and streams, always take precautions such as wearing a life vest, bringing a life preserver with you, and following all river/stream closures.
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