Active Weather Alerts
Flood Advisory
Issued: 8:42 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern San Bernardino County in southern California... * WHEN...Until 300 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 141 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Forest Falls, Hwy 38 Between Yucaipa And Onyx Summit, Seven Oaks and Barton Flats Campground. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. &&
Flood Advisory
Issued: 7:53 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern San Bernardino County in southern California specifically Heart Bar Campground, Mount San Gorgonio, Forest Falls, and Onyx Summit areas... * WHEN...Until 300 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 1251 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Mount San Gorgonio, Onyx Summit, Forest Falls, Hwy 38 Between Yucaipa And Onyx Summit, Hwy 38 Between Onyx Summit And Sugarloaf, Heart Bar Campground and Barton Flats Campground. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
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