Heat And Possible Flooding To Start Off The Week

Dangerous heat will impact portions of the Northwest, Northeast, and Mid to Lower Mississippi Valley today. Heat advisories are in effect for these major metro areas: Boston, New York City, Philadelphia, Seattle and St. Louis. A few flash flood concerns today from heavy rain and storms in the Four Corners region, northern New England and the western Ohio Valley into the Mid Mississippi Valley. Read More >

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Last Map Update: Mon, Aug. 8, 2022 at 6:00:12 pm PDT

Watches, Warnings & Advisories


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Storms Tuesday

S SJV Prob Temps 8-9

N SJV Prob Temps 8-9

A few strong thunderstorms are possible in the Sierra Nevada, including the edge of Yosemite NP to the edge of Sequoia NP, on Tuesday afternoon and evening. Dangerous cloud to ground lightning strikes and wind gusts near 45 mph are a couple of hazards associated with strong thunderstorms. In addition, any thunderstorm can produce intense rainfall rates that may lead to localized flooding.

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Heat And Possible Flooding To Start Off The Week

NWS Forecast Office Hanford, CA