Active Weather Alerts
River Flood Watch
Issued: 2:34 PM Dec. 21, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS AFTERNOON TO THIS EVENING... * WHAT...Flooding is possible. * WHERE...Mad River near Arcata. * WHEN...From this afternoon to this evening. * IMPACTS...At 15.0 feet, Minor flooding begins on the Mad River Beach Road near Tyee City. At 18.0 feet, Minor flooding of Mad River Beach Road near Tyee City. At 21.0 feet, Flooding of Mad River Beach Road. Water may be flowing over roads to Tyee City. Flooding will be enhanced if the time of the crest is coincident with high tides and strong onshore winds. At 22.0 feet, Significant flooding of portions of Mad River Beach Road. Water may flow across roads to Tyee City. Flood impacts will be aggravated by high tides and strong, onshore winds. * ADDITIONAL DETAILS... - At 5:45 AM PST Sunday the stage was 11.1 feet and is rapidly rising. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (6 am PST) Location Stg Stg Day/Time Mon Tue Wed Mad River Arcata 22.0 11.1 Sun 5 am 12.7 10.6 13.5 &&
Flood Warning
Issued: 2:10 PM Dec. 21, 2025 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 915 AM PST THIS MORNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Areas around Cape Mendocino and the King Range... * Until 915 AM PST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. Low-water crossings are inundated with water and may not be passable. There will be an increased risk of rock and land slides along roadways. * ADDITIONAL DETAILS... - At 610 AM PST, Doppler radar indicated heavy rain. Flooding is ongoing or expected to begin shortly in the warned area. Between 2 and 4 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are possible in the warned area. - Some locations that will experience flooding include... Honeydew, Shelter Cove, Petrolia, Redway, Bull Creek, Ettersburg, Briceland and Capetown. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. &&
Small Craft Advisory
Issued: 1:53 PM Dec. 21, 2025 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 8 feet. * WHERE...Pt St George to Cape Mendocino out 10 nm. * WHEN...Until 10 AM PST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Flood Advisory
Issued: 12:13 PM Dec. 21, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 815 AM PST THIS MORNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Humboldt County in northwestern California... West Central Trinity County in northwestern California... * Until 815 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. There will be an increased risk of rock and land slides along roadways. * ADDITIONAL DETAILS... - At 413 AM PST, Gauge reports indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.8 and 1.5 inches of rain have fallen with persistent heavy rainfall rates up to 0.5 inch per hour. - Additional rainfall amounts of 2 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Eureka, Arcata, Hoopa, Willow Creek, Orick, Trinidad, Maple Creek, McKinleyville, Weitchpec, Westhaven-Moonstone, Salyer, Blue Lake, Fieldbrook, Kneeland, Arcata Arpt, Freshwater, Myrtletown, Cutten, Pine Hills and Bayview. - http://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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. &&
Flood Watch
Issued: 10:06 AM Dec. 21, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Humboldt County. * WHEN...Through this evening. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An atmospheric river will move into northwest California tonight through Sunday evening. Periods of moderate to heavy rain with rates of a quarter to a half inch an hour are possible. Total rain amounts of 2-5 inches are forecast. Rises in creeks and streams are likely and could result in minor flooding impacts. Flooding may occur in poor drainage and urban areas. - http://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. &&
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