Kevin Schneider

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<p><strong>TEXAS - </strong>Heavy rain has already led to issues in the Lone Star State to start the week. Rich, tropical moisture has rushed northward, meeting a slow-moving boundary. That recipe has led to numerous reports of flash flooding, starting late Sunday night. The rain threat continues continues this week, as tropical moisture brings heavy rain.</p><div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2066498460266725833" src="https://x.com/WeatherNation/status/2066498460266725833?s=20"></div><p>As some residents struggled to get home, they could see more issues over the coming days with flooding. The overall setup won't change much. That rich moisture will loiter around the Gulf, with another front looking to stall out through the middle and end of the week. Rounds of heavy rain will threaten the area each of the next 5 days. The Weather Prediction Center has highlighted areas from Texas to Louisiana with the greatest threat of flash flooding, issuing a <strong>MODERATE RISK</strong> (level 3 out of 4) of excessive rainfall.</p><video src="https://media.weathernationtv.com/app/uploads/2026/06/epc erops-1781653493198.mp4" controls="true" width="100%"></video><p>Rainfall amounts are expected to top seven inches in many locations, with localized areas surpassing that. Flash flooding has already been an issue - grounds are already saturated - expect more flooding over the coming days.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 143139-1781641915826.png"></p>

Jackie Brown

Gulf Coast Faces Flood Risk from Potential Tropical Cyclone One

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Alana Cameron was born and raised in Canada in the city of Mississauga, just outside of Toronto. Alana is the oldest of 4 siblings, all close in age, and grew up playing outside with them in all types of weather. After graduating high school, Alana moved to study at the University of British Columbia in Kelowna for a year before transferring to Dalhousie University in Halifax, Nova Scotia where she completed a Bachelor of Science in Physics and Atmospheric Science. Upon completion, Alana moved back to Toronto where she completed a post-grad degree in Meteorology at York University. After her post-grad, she went on to complete another post-grad in Broadcast Journalism - TV News at Fanshawe College in London, Ontario. During her final year of studies she had the privilege of interning with the best in the business in Canada at The Weather Network. Once she finished her internship, she got the call from small-town Denison, Texas where she accepted a job as an on-air meteorologist at KTEN-TV, right in tornado alley, covering severe weather from Sherman/Denison (North Texas) to Ada (Southern Oklahoma). After the most active tornado season Oklahoma had seen in May 2019 (105 tornadoes!) Alana is excited to join WeatherNation to cover weather all across the nation. If you're interested in following her on social media she can be found @alanacameronwx!

Alana Cameron

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<p>The Midwest, Great Lakes, and the Northeast have been quite active over the past few weeks with severe weather. And this week, more storms are on the way. Multiple waves will move through, bringing multiple days of severe weather.</p><h3>OVERNIGHT: MIDWEST TO GREAT LAKES</h3><p>Overnight, the same front will continue to push through portions of the Midwest and Great Lakes, so the SPC has upgraded its&nbsp;marginal risks to <strong>SLIGHTS </strong>(level 2 out of 5) for portions of Iowa, Indiana, and Michigan.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/overnightssss -1781662031161.png"></p><h3>WEDNESDAY: MIDWEST</h3><p>On Wednesday, this same front will move into the Midwest. By then, elevated supercells will become a threat across portions of Missouri, Illinois, and Indiana. There is a <strong>MODERATE</strong> (Level 4 of 5) risk for severe thunderstorms across these states, with an <strong>ENHANCED</strong> risk extending into Ohio and Kansas.</p><p>The threat of supercells brings the potential for large hail, damaging wind gusts, and tornadoes. If storms develop more quickly during the day and grow into clusters sooner, the threat of significant wind gusts will increase, while the risks of tornadoes and large hail will decrease.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 114621-1781631987591.png">There is a <strong>moderate</strong> risk of flooding across the Chicago metro through Wednesday.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 162319-1781648622919.png"></p><h1>Timing - Overnight  through Wednesday</h1><p>The Overnight severe threat continues as a low-pressure system dips down. By Wednesday, widespread thunderstorm development is expected along the cold front into the late afternoon. This whole front keeps moving east into Thursday.</p><video src="https://media.weathernationtv.com/app/uploads/2026/06/overnighfssss-1781662136044.mp4" controls="true" width="100%"></video><p>The Storm Prediction Center also has a <strong>SLIGHT </strong>(level 2 out of 5) risk for Thursday as the system makes its way to the East Coast. Damaging winds, large hail, and tornadoes are all possible. The forecast may change, so stay with us for the latest updates.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 052404-1781609059128.png">For more info on this forecast, tune into WeatherNation :10 and :30 past the hour for your eastern and central regional forecasts.</p>

Rounds of Severe Weather This Week

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<h1><strong>Potential Tropical Cyclone One</strong></h1><p>The National Hurricane Center has started to issue advisories on <strong>Potential Tropical Cyclone One</strong>. PTC One is likely to move offshore the Texas Coast tonight or early Wednesday, parallel the coast, and move back inland over eastern Texas or southwestern Louisiana late Wednesday or early Thursday.</p><p></p><video src="https://media.weathernationtv.com/app/uploads/2026/06/06-16_ptc one-1781652876515.mp4" controls="true" width="100%"></video><p>Forecasts are calling for torrential rain from Texas into the Deep South. While some of the rain could be beneficial, most of this rainfall will be hazardous and lead to a flooding risk. Remember, the circulation responsible for driving the moisture higher and eventually could redevelop was Cristina, from the Eastern Pacific basin last week.</p><video src="https://media.weathernationtv.com/app/uploads/2026/06/PTC ONE WITH SKETTIS-1781642184378.mp4" controls="true" width="100%"></video><p>If it acquires tropical characteristics - a warm core where thunderstorm processes are generated thanks to warm water temperatures - it would become Arthur. The National Hurricane Center now believes it will happen sometime tonight or Wednesday, becoming the first Tropical Storm of the year before making landfall on Wednesday evening.</p><p>With this being a potential tropical cyclone, alerts are able to be issued, so <strong>tropical storm watches </strong>and <strong>warnings</strong> have been issued across the Gulf Coast of Texas and Louisiana.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 154737-1781646461668.png"></p><h3>Hazards Affecting Land</h3><p><strong>Rainfall totals</strong> may reach up to 5-10 inches with isolated higher totals around 20 inches from Texas through Mississippi and Alabama.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 143139-1781642384803.png"></p><p><strong>Storm surge</strong> and the tide will cause normally dry areas along the coast to be flooded by rising water moving inland from the shoreland. From Port Bolivar, Texas to Morgan City, Louisiana up to 2-4 foot surge is possible.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 154808-1781646493458.png">A <strong>tornado</strong> or two is also possible across the Gulf Coast for the next 3 days.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 144030-1781642446254.png"><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 154845-1781646538227.png"></p><h1>Eastern Pacific</h1><p>There is a wave in the Pacific that could have a better chance of developing over the next few days. Right now, the National Hurricane Center is still giving this a low chance for development.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 144106-1781642477065.png"></p><p>Long-term, chances look much higher, but that still remains to be seen.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 144318-1781642613293.png"></p><p><strong>Stay With WeatherNation This Hurricane Season:</strong></p><p>Whether storms threaten land or remain over open waters, WeatherNation is your destination for around-the-clock tropical coverage. Our meteorologists track every tropical wave, depression, storm, and hurricane with the latest forecast models, expert analysis, and live updates whenever conditions warrant.</p><div data-youtube-video=""><iframe width="640" height="480" allowfullscreen="false" src="https://www.youtube.com/embed/hPTDldpiWUQ" start="0"></iframe></div>

PTC ONE: First Forecast Cone of the Atlantic Basin

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<p>Another ridge of high pressure is parked over the Pacific Ocean. This one will send temperatures soaring well into the 90's along the coast. Washington and Oregon set many records today. Portland saw a record high of 97°, beating out the old record of 95°. Seattle -Tacoma airport saw a record of 91°, beating out the old record of 88°. The heat continues into Tuesday.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/NW RECORD HIGH TEMPS-1781576662430.png">Seattle was another location that broke a record high, reaching 85°, tying the previous record of 85°. Heat alerts are in place all across the West Coast through Tuesday, so be prepared for oppressive temperatures. Especially if you work outside or the kids are headed to camp this week. The Grand Canyon <strong>extreme heat warnings</strong> continue through Wednesday.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 162129-1781648495874.png">The heat won't break until the end of the week, when temperatures cool to seasonal norms Thursday-Friday. With an extended stretch of heat, be sure to take it easy since heat-related issues can compound throughout the week.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-15 073031-1781530237987.jpg">Hot and dry conditions will lead to dangerous fire weather conditions for much of the west during this time too.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-16 162141-1781648535260.png"></p>

Taban Sharifi

Western Heat Wave Pushes into Work Week

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<h3>WELCOME TO THE NORTH AMERICAN MONSOON SEASON. </h3><p>The North American Monsoon Season (NAMS) spans from <strong>June 15 through September 30th</strong>. It is also referred to as the Southwest Monsoon and is typically strongest during July and August. </p><h3>What is the North American Monsoon?</h3><p>The North American Monsoon is a seasonal change in atmospheric circulation that occurs during the summer across northwestern Mexico and the southwestern United States, including parts of Arizona, New Mexico, Nevada, Utah, Colorado, and California. The monsoon can bring stormy weather, flooding rains, dust storms, extreme heat, and wildfire concerns to the region.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 153448-1781473579558.png"></p><p>As the land heats up during the summer months and high pressure develops over the Southwest, a shift in wind patterns pulls moisture northward from the eastern Pacific Ocean and the Gulf of California. This increase in moisture provides fuel for thunderstorms. As a result, the region can experience afternoon and evening thunderstorms, heavy rainfall over short periods of time, frequent lightning, gusty outflow winds, flash flooding (epecially in canyons and burn scar areas), and occasionally dust storms.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 152535-1781473586719.png"></p><h3>Seasonal Outlook</h3><p>For the upcoming season, the Climate Prediction Center's Seasonal Drought Outlook indicates that drought is likely to persist across portions of the Four Corners region, but improvement is expected in many areas. Meanwhile, drought conditions across Nevada are forecast to persist and may even expand.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 152751-1781473694048.png">Something to note, the CPC is not guaranteeing a wet monsoon season but they are favoring above-normal precipitation and improved odds of drought relief.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 152746-1781473762291.png"></p><h3>Why is it so important?</h3><p>The monsoon provides a large portion of the annual rainfall for many desert locations across the Southwest. In Arizona, for example, the monsoon can account for nearly half of the state's yearly precipitation. This rainfall can help reduce drought impacts, improve soil moisture, and lower wildfire risk. However, it can also bring hazards such as flash flooding and dangerous lightning.</p><h3><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 155918-1781474388486.png">Forecast for this week</h3><p>Storms are in the forecast across parts of the southwestern United States, but heat will be the primary weather concern during the first few days of the monsoon season.</p><p><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 160114-1781474494246.png"><img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-14 160128-1781474499827.png"></p><p>For more on this season's monsoonal storm chances, be sure to join us on WeatherNation for the latest forecast and updates.</p>

PTC ONE: First Forecast Cone of the Atlantic Basin

Western Heat Wave Pushes into Work Week

Welcome To Monsoon Season - Here's What to Expect

Gulf Coast Faces Flood Risk from Potential Tropical Cyclone One

Rounds of Severe Weather This Week

PTC ONE: First Forecast Cone of the Atlantic Basin

Western Heat Wave Pushes into Work Week

Welcome To Monsoon Season - Here's What to Expect

Gulf Coast Faces Flood Risk from Potential Tropical Cyclone One

Rounds of Severe Weather This Week

PTC ONE: First Forecast Cone of the Atlantic Basin

Western Heat Wave Pushes into Work Week

Welcome To Monsoon Season - Here's What to Expect