WGUS86 KSEW 120638 FLSSEW Flood Statement National Weather Service Seattle WA 1038 PM PST Thu Dec 11 2025 ...The Flood Warning is extended for the following rivers in Washington... Snohomish River At Snohomish affecting Snohomish County. ...The Flood Warning continues for the following rivers in Washington... Snohomish River Near Monroe affecting Snohomish County. PRECAUTIONARY/PREPAREDNESS ACTIONS... To escape rising water, take the shortest path to higher ground. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Be especially cautious at night when it is harder to recognize the dangers of flooding. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by Friday morning at 645 AM PST. && WAC061-121445- /O.EXT.KSEW.FL.W.0032.000000T0000Z-251214T0704Z/ /SNAW1.3.ER.251209T1458Z.251212T0130Z.251213T1604Z.NR/ 1038 PM PST Thu Dec 11 2025 ...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY EVENING... * WHAT...Major flooding is occurring and major flooding is forecast. This approaches the flood of record. * WHERE...Snohomish River at Snohomish. * WHEN...Until late Saturday evening. * IMPACTS...At 33.0 feet, the Snohomish River will cause severe near record flooding. Flood waters will likely overtop levees...with major levee damage possible. Flood waters will inundate much of the river valley...including SR2 west of Monroe...SR9 and the Lowell-Snohomish River Rd. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 33 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program. * ADDITIONAL DETAILS... - At 10:00 PM PST Thursday the stage was 34.0 feet. - Flood stage is 25.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 PM PST Thursday was 34.2 feet. - Forecast...The river is expected to rise to a crest of 34.0 feet late this evening. It will then fall below flood stage Saturday morning. - Flood History...This crest compares to a previous crest of 33.5 feet on 11/25/1990. - http://www.weather.gov/safety/flood && LAT...LON 4786 12217 4789 12221 4796 12232 4809 12216 4794 12213 4791 12203 $$ WAC061-121445- /O.EXT.KSEW.FL.W.0031.000000T0000Z-251213T1803Z/ /MROW1.3.ER.251209T1339Z.251212T0100Z.251213T0603Z.NO/ 1038 PM PST Thu Dec 11 2025 ...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY MORNING... * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Snohomish River near Monroe. * WHEN...Until late Saturday morning. * IMPACTS...At 22.0 feet, the Snohomish River will cause severe flooding...with deep and swift flood waters inundating farm land... residential areas...and roads. Levees could suffer overtopping and major damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 22 feet at this location corresponds to Phase 4 in the Snohomish County Flood Warning System. * ADDITIONAL DETAILS... - At 10:15 PM PST Thursday the stage was 23.9 feet. - Flood stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 PM PST Thursday was 24.6 feet. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 7.2 feet late Monday morning. - Flood History...This crest compares to a previous crest of 23.5 feet on 11/07/2006. - http://www.weather.gov/safety/flood && LAT...LON 4780 12190 4779 12212 4786 12217 4791 12203 4793 12202 4793 12190 $$ 27