Kevin Schneider

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As the northwest eagerly awaits some dry time, it's going to come at another's expense. California will be the next in line to pick up heavy rain and snow looking ahead, as the pattern doesn't change, it merely moves. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 093822-1765989621213.png">Areas up and down the Sierra Nevada Mountains are in desperate need of snow, though. This year, we've picked up around 20% of what we normally should by this time of year. We'll try to change that going into the next few days. As the firehose drops south late this week into the weekend, rain will initially be the biggest concern. Snow levels will struggle to get all the way down to pass level at first, with this being a bit of a warm system. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 094054-1765989784668.png">But moving into the weekend, the snow levels will drop. But the best moisture might ultimately end up in the southern portion of the mountain range. <video src="https://media.weathernationtv.com/app/uploads/2025/12/2025-12-17 09-43-29-1765989882154.mp4" controls="true" width="100%"></video>Heavy, persistent rain will be the greatest threat going into the weekend, as it may not let up before rolling into the holiday travel week. By then, some areas could be staring down rainfall totals surpassing a FOOT!<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 094506-1765990003648.png"><img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 094523-1765990009756.png">This is a ways away, however, so be sure to check back with the forecast as we grow closer to the weekend.

Heavy Rain & Snow Moves into California Next Week

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Does it feel like deja vu? This persistently repeatable pattern that has been locked in for most of December has some side effects. No snow for the west. While areas around the Midwest are seeing their snowiest start to the Winter in years, areas out west are looking at their slowest start to the water year. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 090611-1765987589484.png">Take for instance, the Pacific Northwest. They've been seeing the worst of both patterns: warm systems that bring inundating rainfall to the area, without the benefits of slow-melting snowfall, keeping watersheds fed with a much-needed consistent water source. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 085543-1765987519843.png">Other areas like Colorado have seen a fairly soggy past month, but got off to one of the latest starts to winter on record in Denver. Kinda like how the northwest was struggling, any shot at moisture fell at once, as rain. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 085528-1765987734041.png">All of this information comes from the National Integrated Drought Information System, an offshoot of NOAA<a target="_blank" rel="noopener noreferrer nofollow" href="https://nwcc-apps.sc.egov.usda.gov/imap/#version=2&amp;elements=&amp;networks=!&amp;states=!&amp;basins=!&amp;hucs=&amp;minElevation=&amp;maxElevation=&amp;elementSelectType=any&amp;activeOnly=true&amp;activeForecastPointsOnly=true&amp;hucLabels=false&amp;hucIdLabels=false&amp;hucParameterLabels=true&amp;stationLabels=&amp;overlays=&amp;hucOverlays=state&amp;basinOpacity=100&amp;basinNoDataOpacity=100&amp;basemapOpacity=100&amp;maskOpacity=0&amp;mode=data&amp;openSections=dataElement,parameter,date,basin,options,elements,location,networks,baseMaps,overlays,labels&amp;controlsOpen=true&amp;popup=&amp;popupMulti=&amp;popupBasin=&amp;base=esriWgc&amp;displayType=basin&amp;basinType=6&amp;dataElement=WTEQ&amp;depth=-8&amp;parameter=PCTMED&amp;frequency=DAILY&amp;duration=I&amp;customDuration=&amp;dayPart=E&amp;monthPart=E&amp;forecastPubDay=1&amp;forecastExceedance=50&amp;useMixedPast=true&amp;seqColor=2&amp;divColor=7&amp;scaleType=D&amp;scaleMin=&amp;scaleMax=&amp;referencePeriodType=POR&amp;referenceBegin=1991&amp;referenceEnd=2020&amp;minimumYears=20&amp;hucAssociations=true&amp;relativeDate=-4&amp;lat=41.191&amp;lon=-108.971&amp;zoom=5.5">Interactive Map at this link here</a><img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 085846-1765987778263.png">So what would help? A breaking down of the pattern would be a great place to start, with some signs that we might get some help. As the jet stream dips into the holiday week, heavy rain will target California, but at least will start out a bit more to the south compared to where it's been recently.

West Facing Record Low Snow Levels

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Taban Sharifi grew up in Southern California between Los Angeles and San Diego. She is a Certified Broadcast Meteorologist (CBM) with the American Meteorological Society (AMS). She has a B.S. in Atmospheric, Oceanic, and Environmental Sciences with a minor in Environmental Systems and Society from the University of California, Los Angeles (UCLA). Go Bruins! While in school, Taban was a meteorology intern with NBC LA. There she helped forecast daily weather for the greater Los Angeles region and created a playbook to deploy weather sensors for NBC owned-and-operated stations across the country. Her first on-air job took her to San Angelo, Texas, where she was a morning meteorologist and co-anchor. Working in West Texas gave her knowledge and experience covering severe storms. From there, she moved to Palm Springs, California. People think forecasting in California is sunshine all the time, but with temperatures in the 120’s, wildfires, damaging winds, floodings, and earthquakes, the forecasting kept her very busy! She also worked there as a general assignment reporter and told community stories. Taban is excited for the challenge and opportunity to forecast nationally with WeatherNation. She also looks forward to exploring all that Colorado has to offer!

Taban Sharifi

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NORTHWEST - A state of emergency was declared for Washington State on Wednesday, December 10th, following days of heavy rain that led to historic river flooding.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2000219235759362464" src="https://x.com/WeatherNation/status/2000219235759362464"></div>Thankfully, river levels have been dropping since Friday for many areas. The entire Skagit River Valley (in the 100-year flood plain) was given the "GO" order to evacuate early Thursday morning. The Skagit River in Mt Vernon crested at a new record high of 37.73 feet, but thankfully began to drop on Friday afternoon. The river is now in minor flood stage, but with additional rain this week, it could reach major flood stage again by Tuesday night.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web1-1765971289665.png"><h1>Additional Rain/Severe Weather</h1><img src="https://media.weathernationtv.com/app/uploads/2025/12/pic6-1765985395878.png">Multiple rounds of heavy rain are expected, but there will be a few differences compared to the last event. The bad news? River levels are already high, and soils are saturated, so flooding will develop quickly. On top of the flooding concerns, high winds have rushed through the area, toppling trees and high-profile vehicles Wednesday morning. The threat of damaging winds will continue as this system moves east. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Web4-1765971596801.png">As snow levels drop, winter weather will complete the trifecta of weather hazards with this system. Where winds and snow will cross, blizzard conditions will be the concern, as visibility will be drastically reduced. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Web5-1765971405527.png">Portions of the Cascades and Olympic Range in Washington is also under Blizzard Warnings through Wednesday morning. This is the 3rd Blizzard Warning to be issued for the Cascade Mountains in the last 10 years.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-16 162400-1765927456412.png">Rainfall totals have surpassed 7-8 inches already, with more on the way. The heaviest of the rain looks to line up farther south, aiming at Oregon and northern California. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 084008-1765986021153.png">Additional rounds of heavy rain and snow are expected into the week. We won't have a lot of new snow until late tonight when temperatures begin to drop.<video src="https://media.weathernationtv.com/app/uploads/2025/12/2025-12-17 04-40-52-1765971680030.mp4" controls="true" width="100%"></video>Through Christmas, the Climate Prediction Center has a higher confidence that conditions will stay wetter than normal.<img src="https://media.weathernationtv.com/app/uploads/2025/12/web9-1765971714397.png">For more details, be sure to join us live at :50 past the hour for your Western Regional forecast.

ATMOSPHERIC RIVER: Winds Topping 100 MPH In the Northwest

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NORTHERN PLAINS - On Wednesday, a low-pressure system from the northwest will slide along the jet stream into the Northern Plains and Midwest. This system will move into some warmer air, so models are favoring more rainfall as opposed to snowfall.<video src="https://media.weathernationtv.com/app/uploads/2025/12/12--15 west to central-1765842581293.mp4" controls="true" width="100%"></video>Currently, from recent clipper systems, there is a decent snowpack on the ground across these states.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web1-1765971825715.png">With this next system moving in and bringing rain, this could lead to a bit of slush out there as the rain melts away the snowfall. The system moves through fast and over the Midwest and into the northeast by Thursday.<video src="https://media.weathernationtv.com/app/uploads/2025/12/2025-12-17 04-44-08-1765971872923.mp4" controls="true" width="100%"></video>Winter weather alerts have been issued for portions of North Dakota, Minnesota, and South Dakota for late Wednesday through Thursday for blizzard conditions possible and snowfall totals up to 2".<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web5-1765971911177.png">Precipitation totals look to be fairly minimal because of the speed at which this system moves through.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web5-1765972029193.png">For some, temperatures will be impacted by this front. For instance, look at Bismarck, North Dakota, a high of 42 on Wednesday and 30 degrees cooler by Thursday with a high of 10.<h1>SEVERE</h1>On the tail end of our front, ingredients could come together to lead to severe storms on Thursday. Since this system has LOADS of wind energy, organizing storms will not be hard. The question is getting to the storms. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 083316-1765985615795.png">Mostly likely outcome: a mess of rain with an embedded line of stronger storms capable of putting down damaging straight-line winds. Right now, the Storm Prediction Center has highlighted Tennessee and Kentucky with the greatest chance. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-17 083557-1765985764161.png">For more details on this, be sure to join us on WeatherNation live! We stream 24/7.

Messy System Moving into the Midwest

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It's been a cold start to the week for millions! Areas around the Great Lakes and Ohio River Valley took the most recent Arctic outbreak on the chin, with temperatures plummeting below zero in some instances. On Monday, as winds flipped out of the south, we began to thaw out and most of us are feeling either seasonable or above average by Wednesday. However......The Arctic air isn't getting shoved too far away. This week, we unlock another block of the cold stuff and slide it southward. The good news? It looks like it's not quite as brutal as the last shot.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web 1-1765981294700.png">A system will emerge out of the Rockies again, moving into much warmer temperatures by Wednesday. How much rain/snow/mud will that system drop? Relate Article: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/rainy-system-to-move-over-snow">Sloppy System Moves into the Midwest</a>More importantly, the temperatures swinging on the other side of it will send another chill down the spine of the Heartland. Wednesday night will be the rudest, while Thursday night will likely be the coldest, but should see the winds subsiding. Bismarck, the usual poster child for nasty cold, will only top out in the single digits Thursday afternoon.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web 2-1765981555057.png">Like a trampoline, temperatures rebound the following day for most.

Returning Back to the Freezer This Week

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Originally born in Spokane, Washington,  Jackie's Dad was in the Air Force which led her to a life of travel. She has lived in Wichita, Okinawa, Japan, Baltimore, New Jersey, Indiana and South Carolina.  After graduating from Kadena High School, in Okinawa Japan, she got a full basketball scholarship to Coppin State College. On the court she was a 4-year starter and reached over 1000 points in her basketball career. She was also named Athlete of the Year for the whole university in 2002. Off the court, she earned a degree in Broadcast Production/English.

After college, she landed a job as a radio personality. Jackie went on to have a successful career for 12 years working at KXLY broadcast center. While on the radio, she decided to change career. Jackie went back to school, graduating from the Mississippi State Meteorology Broadcast Program. From snow, to tornadoes, to hurricanes, she has had experience forecasting all these events.

Jackie Brown

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Unseasonably warm temperatures are continuing to dominate much of the western United States as an area of high pressure is keeping the jet stream north, which is helping to lock in the warm air! We saw yet another day of record highs across the West! The record warmth will continue through this week.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web1-1765970971370.png"><img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-16 200236-1765940582593.png">The warm temperatures are sticking around, bringing a spring-like feel to cities across the southwest. Denver and Albuquerque normally see highs in the 40s, but will be digging into the 60s! Los Angeles has an average high of 66 ° and will see high temperatures in the upper 70s and low 80s.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web1-1765970887573.png">Here's a look at who can break records this week:<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web2-1765970860606.png">As we look at the temperature trend for December 20th - 24th, a large portion of the country has a high confidence level that temperatures will be well above average. A lot of folks will be seeing an above-average Christmas Eve and Christmas.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Web5-1765970926057.png">Make sure to tune into WeatherNation :50 past the hour, every hour for your Western regional forecast.

Adrian Hernandez

Record Warmth Out West Continues

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WeatherNation Meteorologists

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<div data-youtube-video=""><iframe width="640" height="480" allowfullscreen="false" src="https://www.youtube.com/embed/GtdF4xLBGXc" start="0"></iframe></div>As 2025 comes to an end, many people are expected to travel for the holiday season. AAA expects an increase in travelers compared to last year, 2024. The forecast calls for 119.7 million travelers, which is a 2.2% increase from 2024.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-10 151722-1765405796099.png">Traveling by car is the favorite for the holidays. AAA notes gas prices, on average, are also down in comparison to 2024.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-10 151733-1765406300348.png">Air travel is also up since 2024 by 2.3%. AAA expects 8.03 million people to be traveling to their destinations for the holidays via airplane. This will be the first time air travel for the year end holiday will exceed 8 million.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-10 151738-1765406099314.png">All other travel has also gone up by 9% since last year. This includes cruises, bus travel, and travel by train.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-10 151743-1765406410699.png">The top 10 destinations domestically are as follows:<ol><li>Orlando, FL</li><li>Fort Lauderdale, FL</li><li>Miami, FL</li><li>Anaheim/Los Angeles, CA</li><li>Honolulu, HI</li><li>Tampa, FL</li><li>New York City, NY</li><li>Maui, HI</li><li>Dallas/Fort Worth, TX</li><li>Las Vegas, NV</li></ol>For those major destinations, below are the busiest travel times.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-10 151754-1765406540451.png">More more information on the AAA travel forecast, including details on best and worst travel times: <a target="_blank" rel="noopener noreferrer nofollow" href="https://newsroom.aaa.com/2025/12/aaa-year-end-holiday-travel-forecast/">Year-End Holiday Travel Expected to Set New Record</a>.

Rob Bradley

End of Year Travel Expected to Break Records

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Several rounds of rain and snow will begin to impact the western United States late this week thanks to the "Pineapple Express."

https://twitter.com/NWSBayArea/status/981613453172527110

The Pineapple Express---an atmospheric river of moisture originating near Hawaii---is often necessary to keep the West Coast drought-free.  However, it can bring hazardous weather in the form of flooding and mudslides.  But what is an atmospheric river?

https://twitter.com/NWSBayArea/status/981190965036830720

With a milder air mass in place, mountain locations like the Sierra Nevada will contend with melting snow and falling rain.  The risk of flooding will increase.

https://twitter.com/NWSSacramento/status/981581665670610944

A Flood Watch is posted for the mountains and foothills along the California - Nevada border.  Rainfall may exceed 6 inches in parts of the Sierra Nevada by Sunday.

<img class="alignnone size-large wp-image-89805" src="https://media.weathernationtv.com/app/uploads/2018/04/Flood_Watch-728x408.jpg" alt="" width="728" height="408" />

<img class="alignnone size-large wp-image-89804" src="https://media.weathernationtv.com/app/uploads/2018/04/CA_Precip-728x408.jpg" alt="" width="728" height="408" />

River flooding is a concern.  But what is the chance for debris flows or mudslides, especially in burn scar areas?  WeatherNation spoke with the National Weather Service Bay Area office in Monterey, California.  Meteorologist Scott Rowe explains.

https://twitter.com/WeatherNation/status/981660219758411776

As you might expect with a Pacific system, the Northwest will also join in on the rain and subsequently, the threat for flooding.  Snow will be more of a concern with colder temperatures in place across the Northern Rockies and High Plains.

<img class="alignnone size-large wp-image-89802" src="https://media.weathernationtv.com/app/uploads/2018/04/RHP_Alerts-728x408.jpg" alt="" width="728" height="408" />

Snow totals may approach 6 inches in the valleys, plains, and lower elevation locations.  The mountains---in Wyoming, in particular---may see snow accumulations near 12 inches.

<img class="alignnone size-large wp-image-89803" src="https://media.weathernationtv.com/app/uploads/2018/04/RHP_Precip-728x408.jpg" alt="" width="728" height="408" />

Be sure to follow WeatherNation on <a href="http://www.facebook.com/WeatherNation">Facebook</a> and <a href="http://www.twitter.com/WeatherNation">Twitter</a> for the latest West Coast forecast and other top weather stories.

-<a href="http://www.facebook.com/MeteorologistJoeAstolfi">Meteorologist Joe Astolfi</a>

Pacific Moisture Returns to the West

Heavy Rain & Snow Moves into California Next Week

As the northwest eagerly awaits some dry time

West Facing Record Low Snow Levels

Does it feel like deja vu? This persistently

ATMOSPHERIC RIVER: Winds Topping 100 MPH In the Northwest

NORTHWEST - A state of emergency was declared

Messy System Moving into the Midwest

NORTHERN PLAINS - On Wednesday, a low-pressur

Returning Back to the Freezer This Week

It's been a cold start to the week for millio

Record Warmth Out West Continues

Unseasonably warm temperatures are continuing

End of Year Travel Expected to Break Records

As 2025 comes to an end, many people are expe