National Weather Service United States Department of Commerce

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

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Last Map Update: Fri, Aug 14, 2026 at 6:24:28 pm PDT

Thunderstorm chances are still lingering in the Sierra Nevada Crest today. There is a 10-15% chance for thunderstorms. Through the weekend and into next week, those chances will go down to 5-9% for elevations above 4,000 feet. Remember that when thunder roars, go indoors!
After 100-degree heat took hold over central California the last few weeks, more seasonable temperatures are expected beginning this weekend. Widespread Minor Heat Risk will develop, which is heat tolerated by most of the population, but can cause heat-related illnesses to those extremely sensitive to heat such as older adults (65+), infants, those without effective cooling, and those with chronic diseases (heart disease, obesity, poor blood circulation).

 

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