Kevin Schneider

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Arctic air is set to take a deep dive into the Southern United States. Millions of Americans will be impacted by these cooler temperatures into the work week. This cold outbreak is being driven by a strong upper-level low dipping southward from Canada, allowing frigid polar air to surge into the central and eastern portions of the country. This low will also help to drive multiple cold fronts across the country. There will be widespread subfreezing temperatures overnight, with many regions experiencing daytime highs that will struggle to climb above the freezing mark.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-08 072835-1762612121598.jpg">In some areas, temperatures could run 20 to 30 degrees below average, especially across the Plains, Midwest, and Great Lakes region.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175430-1762736076646.png">Monday and Tuesday's lows will plummet into the 20s, 30s, and 40s all the way to the Central Gulf Coast States and Florida. Numerous frost and freeze alerts will be issued ahead of the coldest air - protect sensitive plants.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175507-1762736113770.png">Farther south, the cold air will bring the season’s first frost and freeze to areas that typically remain mild into late fall. The combination of Arctic high pressure and strong cold advection will make the air feel even colder, with wind chill values dipping into the single digits in northern states.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175448-1762736121311.png">This early blast of winter is a reminder that the transition from autumn to winter can happen abruptly when large-scale atmospheric patterns align. People should prepare by checking heating systems, protecting exposed pipes, and dressing in multiple insulating layers to guard against hypothermia and frostbite. The cold pattern may linger for several days before a gradual moderation occurs as the upper-level flow begins to flatten and the jet stream retreats northward.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175552-1762736159292.png">Get forecast details for your section of the country with our regional forecasts, which air at :10, :30, and :50 past the hour from east to west. You can also watch the latest forecast anytime with the WeatherNation app!

Alana Cameron

Arctic Blast Sends Temperatures Plummeting for Millions

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Tracey Anthony

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The lake effect snow season has arrived, with heavy snow expected now through Tuesday. Early Sunday, the snow was just starting to stack up. <img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 174930-1762735776070.png"> Winter weather alerts have been issued all across the shores of the Great Lakes through Tuesday. Snow in these areas could top 8-12" in some locations, with heavy snowfall rates likely reducing visibility at times, making travel very difficult.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175012-1762735953310.png"><h1>How Lake Effect Works</h1>Water has a much higher heat capacity than air, meaning it takes more time to warm up and cool down. This leads to "mild" water temperatures in the Great Lakes while the air overhead can be much cooler. As the cold, dry air moves over these areas, it's able to evaporate moisture from the lakes until it condenses into clouds and precipitation before falling out over land. Typically, we need at least a 13° F difference between the lake water and the air aloft (around 1500 m, or 4500-5000 ft) for lake effect snow to form. This weekend, the difference will be close to 35-45°!<h1><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-08 060323-1762608655882.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-08 060332-1762608670553.png">Forecast</h1>As the winds shift slightly from the NNE into Monday, Chicago could see some intense lake effect snow drift over downtown from the lakeshore. This is completely dependent on a shortwave around the upper-level low providing those NNE winds, so if that shifts a bit, Chicago may get missed. Other areas more certain to see some heavy accumulations include locations on the SSE sides of the lakes, and on the SE side of Lake Ontario. Winds shift back to the North and NW by Monday, bringing the heavier snow into Ohio, Pennsylvania, and New York.<video src="https://media.weathernationtv.com/app/uploads/2025/11/11-09_rne-1762736027472.mp4" controls="true" width="100%"></video>Impacts to travel can be expected, especially along the I-90 corridor where major impacts are possible in NW Indiana. Make sure your vehicle is ready for winter travel with some good tread on your tires and a winter driving kit.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 6-1762700060900.png">Brutal Wind Chill values will accompany the snow.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 7-1762700204281.png">You can catch the latest forecast for the Great Lakes anytime by using the WeatherNation app to view the Central Regional Forecast. You can also tune in to WeatherNationTV at :30 past the hour!

Heavy Lake Effect Snow for the Great Lakes

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<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1987357561679745278" src="https://x.com/WeatherNation/status/1987357561679745278"></div><img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 3-1762697557299.png">The much-anticipated cold front that will slash temperatures has been moving through the Southeast. Ahead of the front, warm temperatures and plenty of moisture has kept the severe threat going overnight.The Storm Prediction Center has kept a severe weather threat at a MARGINAL (level 1 out of 5) risk for Florida into the overnight and dies down into Monday morning to be met with cold cold air behind.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175721-1762736328951.png">

Severe Threat Ending With Florida

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If it hasn't been wet, it's been warm out West. This week looks no different as our good friend, an Upper Level Ridge, will continue to build in. That will keep the quiet weather around, but will start to push temperatures into historic levels over the coming days.<img src="https://media.weathernationtv.com/app/uploads/2025/11/MON AND TUE-1762736389899.png">We've been struggling to find many who will complain openly about the 70s and 80s around the Intermountain West, or even the low 90s around Phoenix. It's in southern California, where people might have a different reaction to 90 in the forecast, because they know what that could mean: wildfire danger.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 080534-1762700911315.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/HEATY HEA-1762736244587.png">Any time high pressure sets up somewhere in the Great Basin or Four Corners, there could be offshore flow, winds blowing from the desert to the Pacific Ocean. When that happens, those winds are much warmer and drier as they cross up and over the San Gabriels and San Bernardinos. The Storm Prediction Center is highlighting areas just north of LA with an ELEVATED risk for wildfire growth today, but it hasn't risen to the level of a Red Flag Warning.<img src="https://media.weathernationtv.com/app/uploads/2025/11/LOS ANGNG-1762736291242.png">There is some good news in all of this: it's a short-lived snap of hot weather. By Tuesday and Wednesday, the breezy winds will back off, and that should help temperatures settle closer to normal for this time of year. Click over to your <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/video-on-demand">West Regional Forecast</a> to find out how long it'll last in the Four Corners

Jackie Brown

Warm Weather Sticks Around the West

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Rob grew up in South Florida, where daily afternoon storms and hurricanes piqued his interest in meteorology early on. That interest was fostered by his teachers and his father, who one time brought him onto the roof of their home to watch a funnel cloud move through the Everglades several miles away. Years of filmmaking and tv production in high school gradually pushed him toward broadcast meteorology at Florida State University, where he joined and eventually led the student run daily weather show. After graduating with a Bachelors of Science in Meteorology, he began his career at KESQ in Palm Springs, California before heading to KFSN in Fresno and WLOS in Asheville, North Carolina. He has covered a diverse array of extreme weather events, including haboobs and flash flooding in the desert, extreme snow in the Sierra, hurricanes, and Appalachian ice storms. He also enjoys telling stories and reporting about weather issues.

Connect with Rob on <a href="https://twitter.com/WxRobBradley">Twitter</a>

Rob Bradley

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A system has been bringing snow across the Plains and Midwest on Saturday. This same system will continue to push through the Great Lakes into Sunday morning. Some areas have already seen some snow accumulation in the last 24 hours.<img src="https://media.weathernationtv.com/app/uploads/2025/11/pic6-1762642526724.png">Moderate rainfall and lighter snow will continue to drift east with the low-pressure system into Saturday night and Sunday morning. <video src="https://media.weathernationtv.com/app/uploads/2025/11/FORECAST-1762633208979.mp4" controls="true" width="100%"></video><h1>Winds &amp; Temperatures</h1>Afternoon highs will struggle to warm out of the 30s for most areas impacted by the precipitation. Keep in mind, another feature of quick systems like these is gusty winds. With wind gusts 20-30mph, it's going to feel even cooler. <img src="https://media.weathernationtv.com/app/uploads/2025/11/pic6-1762642809204.png">Much colder air is expected Sunday into next week as an <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/record-warmth-possible-from-nevada-to-texas">arctic blast brings the coldest air of the season to many parts of the south central and southeastern U.S.</a> For more information, be sure to join us on WeatherNation at :30 past the hour for your Central Regional Forecast.

Patrick Crawford

Midwest Clipper Brings Light Snow, Gusty Winds

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Secondary severe weather season is underway across the U.S. - so called because it typically pales in comparison to the primary severe weather season in the spring. However, the fall can provide high-end severe weather threats of its own, including the December 2021 tornado outbreak. Thankfully, the severe weather setup for now through Sunday doesn't look to be on the high-end, but a few scattered severe storms will be possible.<hr><h1>Severe Storm Outlooks/Hazards</h1>Early morning severe storms will be possible along the cold front driving south. Large hail and damaging winds will be possible with any severe storms and the severe risk should diminish by sunrise.<img src="https://media.weathernationtv.com/app/uploads/2025/11/PIC 2-1762564233131.jpg">The threat for isolated severe storms will continue Saturday into Sunday as the cold front is dragged through the south. Check back in with us online or on air for an updated forecast.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-07 044714-1762516046220.png">Overnight storms are possible, but the severe threat goes down Saturday before it returns to the Southeast on Sunday. Areas along the Atlantic Coast should be weather aware for Sunday.<video src="https://media.weathernationtv.com/app/uploads/2025/11/FORECAST-1762564282904.mp4" controls="true" width="100%"></video><h2></h2>

Jesse Kelley

Severe Storms Possible from Ohio to the Gulf Coast Friday and Saturday

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A series of atmospheric rivers has been responsible for wet, windy, and snowy weather in the northwestern U.S over the last few weeks. Our system is currently moving through Washington, Oregon, and the northern tier of California, bringing heavy rainfall and snow. Above is the forecast rainfall totals for the next several days. Gold Beach in Oregon has already picked up 2.51" of rainfall in the past 24 hours.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web1-1762440546220.png">With multiple inches of rain on the way, the Weather Prediction Center is monitoring coastal areas at a level 1, MARGINAL, risk for excessive rainfall that may lead to flash flooding.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-05 095854-1762361963192.png"><h2>Timing</h2>Precipitation across the Northwest should continue for the next few hours. Conditions will slowly improve Friday into the weekend before we gear up for the next round of Pacific moisture next week. <video src="https://media.weathernationtv.com/app/uploads/2025/11/New Baron Video 3-1762471781966.mp4" controls="true" width="100%"></video><h1>Snow</h1>As some of that moisture makes its way into the higher elevation mountains, it will likely mean heavy snow for the mountains. Places like the Cascades and Northern Rockies are expected to get anywhere from 6" to up to a foot of snow or more!<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web1-1762440758412.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/1-1762471819504.png">Be sure to join us at :50 past the hour for more details during your West Regional Forecast.

Next Big Push of Moisture in the Northwest

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Cold air is spilling across the Eastern half of the country behind a front that has dropped temperatures even across Florida over the last 24 hours.

<img class="alignnone wp-image-98720 size-large" src="https://media.weathernationtv.com/app/uploads/2018/10/Capture-22-728x408.jpg" alt="UPDATE: Freeze &amp; Frost Alerts Extended South" width="728" height="408" />

<img class="alignnone wp-image-98719" src="https://media.weathernationtv.com/app/uploads/2018/10/ezgif.com-video-to-gif-14.gif" alt="UPDATE: Freeze &amp; Frost Alerts Extended South" width="712" height="401" />

As an upper high pressure continues to track east tonight allowing for sinking cold air to settle in many of the valleys of the Appalachians, overnight low temperatures are expected to drop quickly at or near freezing from the Mid-Atlantic to the Carolinas.

Frost (temps just above freezing) looks more likely around the interior cities of North Carolina and South Carolina as well as all the way north to Southern Pennsylvania.

Temps closer to the freezing mark will yield some ice to accumulate on cars/vehicles for areas near and west of the Appalachians into Southern Middle Tennessee.

<img class="alignnone wp-image-98721 size-large" src="https://media.weathernationtv.com/app/uploads/2018/10/Capture-23-728x408.jpg" alt="UPDATE: Freeze &amp; Frost Alerts Extended South" width="728" height="408" />

Quick tour of forecast overnight low temps tonight across the southeast.

<img class="alignnone wp-image-98714" src="https://media.weathernationtv.com/app/uploads/2018/10/ezgif.com-video-to-gif-13.gif" alt="UPDATE: Freeze &amp; Frost Alerts Extended South" width="726" height="409" />

Any sensitive plants of vegetation should be covered or brought indoors tonight.

You can always check out "<a href="https://www.gardeningknowhow.com/plant-problems/environmental/protect-plants-in-freeze.htm">Gardening Know How</a>" for more tips on how to protect plants/vegetation from frost and freeze during the Fall Season.

Meteorologist <a href="https://media.weathernationtv.com/team/merry-matthews/">Merry Matthews</a>