August 26, 2025 - National Weather Service Hanford Office officials report a Flood Watch has been issued for a portion of central California, including the following areas, Mariposa-Madera,Lower Sierra-Fresno-Tulare Lower Sierra-South End of the Lower Sierra-Yosemite NP outside of the valley-Yosemite Valley-San Joaquin River Canyon-Upper San Joaquin River-Kaiser to Rodgers Ridge-Kings Canyon NP-Grant Grove Area-Sequoia NP-South End of the Upper Sierra-Kern River Valley-Piute Walker Basin- through this evening.
Including the cities of Camp Nelson, Grant Grove, North Fork, Devils Postpile, Shaver Lake, Johnsondale, Huntington Lake, Coarsegold, Tuolumne Meadows, Florence Lake, Hume Lake, Fish Camp, Wawona, Giant Forest, Oakhurst, Lake Thomas Edison, Bass Lake, Lodgepole, Auberry, Cedar Grove, Kernville, Yosemite Valley, Lake Isabella, and Lake Wishon
Excessive runoff from storms may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
Flood Watch National Weather Service Hanford CA 717 AM PDT Tue Aug 26 2025 CAZ318-320-322>333-262230- /O.NEW.KHNX.FA.A.0006.250826T1417Z-250827T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mariposa-Madera Lower Sierra-Fresno-Tulare Lower Sierra-South End of the Lower Sierra-Yosemite NP outside of the valley-Yosemite Valley-San Joaquin River Canyon-Upper San Joaquin River-Kaiser to Rodgers Ridge-Kings Canyon NP-Grant Grove Area-Sequoia NP-South End of the Upper Sierra-Kern River Valley-Piute Walker Basin- Including the cities of Camp Nelson, Grant Grove, North Fork, Devils Postpile, Shaver Lake, Johnsondale, Huntington Lake, Coarsegold, Tuolumne Meadows, Florence Lake, Hume Lake, Fish Camp, Wawona, Giant Forest, Oakhurst, Lake Thomas Edison, Bass Lake, Lodgepole, Auberry, Cedar Grove, Kernville, Yosemite Valley, Lake Isabella, and Lake Wishon 717 AM PDT Tue Aug 26 2025 ...FLOOD WATCH IN EFFECT THROUGH THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of central California`s Sierra Nevada Range. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Slow moving thunderstorms will create heavy rainfall at times with long periods of rain. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Source: NWS