Active Weather Alerts
Flood Advisory
Issued: 10:53 PM Dec. 24, 2025 – National Weather Service
...FLOOD ADVISORY NOW IN EFFECT UNTIL 448 PM PST THIS AFTERNOON... * WHAT...Urban and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of Southwest California, including the following county, San Bernardino. * WHEN...Until 448 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 253 PM PST, Doppler radar indicated heavy rain. This will cause urban and small stream flooding. Between 1.5 and 3 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Riverside, San Bernardino, Fontana, Ontario, Rialto, Chino, Redlands, Rancho Cucamonga, Upland and Highland. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. &&
Flash Flood Warning
Issued: 10:53 PM Dec. 24, 2025 – National Weather Service
The National Weather Service in San Diego has extended the * Flash Flood Warning for... San Bernardino County in southern California... * Until 430 PM PST. * At 253 PM PST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 0.25 to 0.75 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173 Between Lake Arrowhead And Hesperia, Crestline, Rimforest, Skyforest, Hwy 18 Between San Bernardino And Crestline and Silverwood Lake Rec Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...0.25-0.75 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 10:43 PM Dec. 24, 2025 – National Weather Service
The National Weather Service in San Diego has extended the * Flash Flood Warning for... San Bernardino County in southern California... * Until 415 PM PST. * At 243 PM PST, Doppler radar indicated heavy rain across the warned area. Between 5.25 and 7 inches of rain have fallen. The expected rainfall rate is 0.25 to 0.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Bernardino, Fontana, Rialto, Hesperia, I-15 Through The Cajon Pass, northern Rancho Cucamonga, Devore, Silverwood Lake Rec Area, Hwy 18 Between San Bernardino And Crestline and Muscoy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR
Flood Advisory
Issued: 10:28 PM Dec. 24, 2025 – National Weather Service
...FLOOD ADVISORY NOW IN EFFECT UNTIL 434 PM PST THIS AFTERNOON... * WHAT...Arroyo and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of Southwest California, including the following county, San Bernardino. * WHEN...Until 434 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 228 PM PST, Doppler radar indicated heavy rain. This will cause arroyo and small stream flooding. Between 2 and 2.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Victorville, Hesperia, Apple Valley, I-15 Between Victorville And Barstow, northern Lucerne Valley, Adelanto, El Mirage, Hwy 247 Between Lucerne Valley And Barstow, Phelan and Oro Grande. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. &&
Flash Flood Warning
Issued: 9:44 PM Dec. 24, 2025 – National Weather Service
The National Weather Service in San Diego has extended the * Flash Flood Warning for... San Bernardino County in southern California... * Until 345 PM PST. * At 144 PM PST, emergency management reported heavy rain across the warned area. Between 7 and 8 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 1.5 to 3.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Wrightwood, Hwy 2 Between Phelan And Wrightwood, northern Rancho Cucamonga, Hwy 138 Between I-15 And Hwy 2, Pinon Hills, Phelan and San Antonio Heights. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR
Flash Flood Warning
Issued: 9:34 PM Dec. 24, 2025 – National Weather Service
The National Weather Service in San Diego has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 430 PM PST. * At 134 PM PST, Doppler radar indicated heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 0.5 to 0.75 inches in 1 hour. Additional rainfall amounts of 1.5 to 3.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Bernardino, Apple Valley, Redlands, Yucaipa, Forest Falls, Lake Arrowhead, Highland, Loma Linda, Big Bear Lake and Running Springs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...0.5-0.75 INCHES IN 1 HOUR
Flood Watch
Issued: 9:15 PM Dec. 24, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Apple and Lucerne Valleys, Coachella Valley, Orange County Coastal Areas, Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Gorgonio Pass near Banning and Santa Ana Mountains and Foothills. * WHEN...Until 10 PM PST this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Mud and debris flow are possible near and in burn scars, including the Airport, Bridge and Line burn scars. * ADDITIONAL DETAILS... - An Atmospheric River will bring widespread moderate to heavy rain to the region today. The heaviest and most widespread rain is expected through this evening. Peak rainfall rates of 0.50 to 1 inch per hour are expected. There is a potential for locally heavier hourly rainfall rates to develop with convection embedded in the main rain band or in thunderstorms after the main band passes. Isolated heavy showers could continue into Thursday but impacts from any additional rain are expected to be more localized. Snow levels are expected to remain above 8000 feet during period of heaviest precipitation bringing a heightened risk of mud slides, debris flow, and areas of flash flooding in the San Bernardino county mountains. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Be alert in the mountains for rockslides and rocks in the road. &&
High Wind Warning
Issued: 9:12 PM Dec. 24, 2025 – National Weather Service
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THURSDAY... * WHAT...South winds 30 to 40 mph through this afternoon with gusts of 55 to 80 mph are expected. Then south 25 to 35 mph with gusts to 50 to 60 mph for tonight into Thursday afternoon. * WHERE...Apple and Lucerne Valleys and San Bernardino County Mountains. * WHEN...Until 3 PM PST Thursday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch for falling debris and tree limbs. Use caution if you must drive. &&
Flash Flood Warning
Issued: 7:04 PM Dec. 24, 2025 – National Weather Service
The National Weather Service in San Diego has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 400 PM PST. * At 1103 AM PST, While a lull in heavy rainfall in the mountains has decreased runoff from Sheep Creek into the high desert, heavy rainfall is expected to re-intensify across the mountains in the next hour, likely to result in additional flooding of low water crossings over Sheep Creek in the High Desert into the afternoon.Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Victorville, Adelanto, Pinon Hills, El Mirage and Phelan. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR
Flood Advisory
Issued: 6:52 PM Dec. 24, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 351 PM PST THIS AFTERNOON... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of Southwest California, including the following counties, Orange, Riverside and San Bernardino. * WHEN...Until 351 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 1052 AM PST, Doppler radar indicated heavy rain. This will cause urban and small stream flooding. Between 0.5 and 0.75 inches of rain have fallen. - Additional rainfall amounts of 1 to 2.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Anaheim, Santa Ana, Riverside, Irvine, Moreno Valley, Huntington Beach, Garden Grove, Ontario, Corona and Orange. - 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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