WeatherNation Meteorologists

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An area of high pressure will cause the temperatures to rise underneath. Intense heat will build across the Midwest and Northeast this week as the ridge moves east. There is an Extreme Heat Risk labeled for many on Thursday as the heat intensifies (above). Numerous records fell across the Northeast Thursday and more will be likely over the next few days.<img src="https://media.weathernationtv.com/app/uploads/2026/07/1-1783043235708.png">Over 200 million people are under heat alerts this week. Not only will the air temperatures be scorching hot, breaking records, but the humidity will add to the dangers of heat illness. Dew points are expected to be in the 70s, meaning your body will have more difficulty cooling off.<img src="https://media.weathernationtv.com/app/uploads/2026/07/PIC 2-1783106879899.jpg">We spoke with the National Weather Service in Philadelphia/Mt. Holly to get some perspective on just how unusual this heat is for the northeast.<div data-youtube-video=""><iframe width="640" height="480" allowfullscreen="false" src="https://www.youtube.com/embed/PlvJoWIawEw" start="0"></iframe></div>The record and intense heat will continue for Saturday, especially along the East Coast.<img src="https://media.weathernationtv.com/app/uploads/2026/07/PIC 2-1783106940920.jpg">Heat waves become deadly when they are extended in duration, and complicated by overnight lows struggling to cool off enough. Be sure to mix in plenty of water, even with a holiday weekend coming up. Know the signs to look out for in friends and family.<img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-27 043943-1782556806519.png">

Brittany Lockley

Dangerous Stretch of Heat Continues Into the Holiday Weekend

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The Aspen Acres fire burning in Southern Colorado, near Pueblo, is over 55,000 acres with no containment. Evacuations remain in place as the fire is still expected to grow due to strong winds. <div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2071956924137136402" src="https://x.com/WeatherNation/status/2071956924137136402?s=20"></div>Numerous additional wildfires continue to burn across Utah, Colorado, and Arizona, scorching tens of thousands of acres.<img src="https://media.weathernationtv.com/app/uploads/2026/07/pic5-1783090578000.png"><div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2072523156376752267" src="https://x.com/WeatherNation/status/2072523156376752267"></div>These fires are also sending smoke and hazardous air quality through the four corners. Air quality alerts are in effect across a large portion of Colorado, including Denver.<img src="https://media.weathernationtv.com/app/uploads/2026/07/Screenshot 2026-07-01 082804-1782916092423.png"><h1>Fire Outlooks</h1>A critical fire risk will continue for Friday. The ongoing wildfires out west are postponing fireworks shows for the Fourth of July. If you are planning to use fireworks, be careful and have a bucket of water nearby in case a fire starts. The strong winds and low humidity can spread those fires quickly.<img src="https://media.weathernationtv.com/app/uploads/2026/07/PIC 2-1783106493836.jpg">This is especially important as we move towards the 4th of July, as it's possible to continue these fire conditions into the weekend.<img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-27 043144-1782556311355.png">Residents are encouraged to stay informed, follow local evacuation orders, and do their part to help prevent the start and spread of wildfires this summer.

Massive Fires Burn in the Four Corners

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Strong storms rocked the Midwest and Plains again on Thursday afternoon. Locations in both South Dakota and Iowa recorded hailstones of at least 3" in diameter!<img src="https://media.weathernationtv.com/app/uploads/2026/07/Screenshot 2026-07-02 194546-1783043173286.png"><h1>STORM TIMING:</h1>Storms from the previous day will likely persist into the overnights and mornings before a new round of storms gets triggered by the afternoon. As the frontal boundary drops to the south to end the week, storm initiation will track south with the boundary while storms continue to move to the east.<h1></h1><video src="https://media.weathernationtv.com/app/uploads/2026/07/2026-07-03 14-17-43-1783109908753.mp4" controls="true" width="100%"></video><h1>Outlooks / Hazards</h1>The outlook issued for Saturday has a large level 2 threat from the Front Range to the plains. Wind and hail will remain the primary concern. All modes of severe weather will be possible.<img src="https://media.weathernationtv.com/app/uploads/2026/07/PIC 2-1783105376878.jpg">

Rounds of Severe Storms Target the Plains for the 4th of July

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Severe storms will be possible as we head towards the holiday across the Northeast ahead of a heatwave that is sending heat index values into the triple digits.<a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/dangerous-stretch-of-heat-shaping-up-this-week">Dangerous Stretch of Heat Shaping Up This Week</a>A better chance of severe storms will come along Saturday across the Northeast with some storms reaching severe limits.<video src="https://media.weathernationtv.com/app/uploads/2026/07/2026-07-03 14-23-35-1783110259327.mp4" controls="true" width="100%"></video>A Marginal risk for severe weather sticks around the Northeast into the end of the work week. A Slight Risk for severe storms has been introduced for parts of the Mid-Atlantic and Midwest on Saturday.<img src="https://media.weathernationtv.com/app/uploads/2026/07/1-1783042823149.png"><img src="https://media.weathernationtv.com/app/uploads/2026/07/Screenshot 2026-07-02 162112-1783030884100.png">For more details on the threats and timing of these storms, tune in to WeatherNation :10 past the hour for your Eastern Regional Forecast.

Storms Spark up in the Northeast Amid Heatwave

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Dave Holder

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While upper-level ridging dominates the weather pattern across the eastern half of the country, thunderstorm development has remained possible along the southern periphery. You can see it in the pattern of severe storm reports on Wednesday.<img src="https://media.weathernationtv.com/app/uploads/2026/07/Screenshot 2026-03-29 060538-1782995247093.png">As heat and humidity build each day, thunderstorm development will remain possible on the edge of high pressure. The main threat being straight-line damaging winds; gusts over 60mph will be possible. With locations like Nashville expecting a feels-like temperature over 110 degrees, there will be lots of instability for these storms to work with!<img src="https://media.weathernationtv.com/app/uploads/2026/07/1-1783042964218.png"><img src="https://media.weathernationtv.com/app/uploads/2026/07/Screenshot 2026-07-02 161524-1783030532244.png"> While not directly underneath the heat dome, <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/dangerous-stretch-of-heat-leads-us-to-the-4th">strong heat and humidity</a> have helped to fuel the storms.

Jesse Kelley

Muggy and Stormy in the South

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Kevin Schneider

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Early in the season, we watch closer to the coasts here at home for development in the Hurricane Season. Until the waves coming off the coast of Africa start to fly and quit losing the battle to Saharan Dust, old fronts are the leading source of development.Currently, a frontal boundary moving through the southeastern U.S. has prompted a marginal risk for severe weather across portions of the Southeast. Main threat will be damaging winds. Earlier this week, the National Hurricane Center was monitoring an area of potential tropical interest. That area is no longer expected to form into a tropical system. For now, the only name we have crossed off for the Atlantic season is Arthur.<img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-27 063531-1782563982336.jpg">In the Eastern Pacific, on the other hand, Tropical Storm Douglas formed on Wednesday. This system is set to strengthen a little bit before weakening over open waters, with no impacts to land.<img src="https://media.weathernationtv.com/app/uploads/2026/07/douglassssss-1782952012931.png">

Jackie Brown

Slow-Moving Front No Longer Expected to Develop Tropically, Monitoring Eastern Pacific

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As Summer settles in across the Central U.S., MCSs, also known as Mesoscale Convective Systems, become more prevalent. These large clusters of thunderstorms can organize and persist for hours, travel hundreds of miles, and produce all modes of severe weather. The weather pattern over the next few days will favor repeated rounds of these storm complexes across the Plains &amp; Midwest.Strong and severe thunderstorms remain possible in the Mid South over the next few days as storms ride a ridge of high pressure. This will target the same areas through the end of the week to see severe weather. <h4><a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/what-is-an-mcs">WHAT IS AN MCS: READ MORE HERE</a></h4><video src="https://media.weathernationtv.com/app/uploads/2026/06/BARON 5-1782612588554.mp4" controls="true" width="100%"></video>For the overnight, a few storms could still be severe across parts of the Ohio Valley before being steering into the Carolinas for Sunday. <img src="https://media.weathernationtv.com/app/uploads/2026/06/Screenshot 2026-06-27 133648-1782589019330.png">These storms will dump rain on the same areas, increasing the risk of flooding in some of the same spots that already flooded earlier this week. For more on the flooding risk, read this <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/severe-weather-returns-this-weekend">related article</a> on the flood potential.<img src="https://media.weathernationtv.com/app/uploads/2026/06/1-1782612765591.png">

'MCS' Season Brings Severe and Flooding Threats Across the Southeast

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The Pacific has had an active season. This increased activity has lead to a more active tropical season for Hawaii as well and the trend continues with yest another tropical storm taking aim at the islands. This one with a more direct impact.

<img class="alignnone wp-image-96948 size-large" src="https://media.weathernationtv.com/app/uploads/2018/09/1-11-728x408.jpg" alt="Olivia Continues On Path Through Hawaii" width="728" height="408" />

Olivia's track will take the storm through the Hawaiian islands Wednesday, continuing to impact Hawaii with heavy rain, storm surge and wind as it moves away on Thursday.

<img class="alignnone wp-image-96947 size-large" src="https://media.weathernationtv.com/app/uploads/2018/09/1-3-8-728x408.jpg" alt="Olivia Continues On Path Through Hawaii" width="728" height="408" />

The high surf and heavy rain threat will not only lead to coastal flooding but also flooding inland. As the storm interacts with mountains some of the higher elevations could end up with totals reaching over 15" by the time Olivia moves out of reach.

<img class="alignnone wp-image-96927 size-large" src="https://media.weathernationtv.com/app/uploads/2018/09/3-7-728x408.jpg" alt="Olivia Continues On Path Through Hawaii" width="728" height="408" />

Tropical storm warnings, flood alerts and surf alerts are out for the islands through Thursday.

<img class="alignnone wp-image-96946 size-large" src="https://media.weathernationtv.com/app/uploads/2018/09/1-2-8-728x408.jpg" alt="Olivia Continues On Path Through Hawaii" width="728" height="408" />

<img class="alignnone wp-image-96926 size-large" src="https://media.weathernationtv.com/app/uploads/2018/09/2-9-728x408.jpg" alt="Olivia Continues On Path Through Hawaii" width="728" height="408" />

Stay with WeatherNation for the latest.

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For Weather Nation: Meteorologist <a href="https://media.weathernationtv.com/team/emily-roehler/">Emily Roehler</a>