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Yahoo
3 days ago
- Climate
- Yahoo
Northeast in the throes of a major warmup, but severe storms lurk
Memorial Day weekend is touted as the unofficial start of summer, but more than a week later, many residents across the Northeast have been left to wonder when the springlike chill and rounds of rain will give way to warm weather. That change is finally unfolding this week, AccuWeather meteorologists say. Temperatures will trend upward across the Northeast in the coming days following a cold start to the week, when temperatures early Monday morning bottomed out in the 30s and 40s F across most of the region. Afternoon highs in the 80s will be widespread from Wednesday through Friday, with the mercury making a run at the 90-degree mark Thursday in New York City, Philadelphia and Washington, D.C. For some areas, this will be the hottest weather since September. Even where temperatures fall shy of their high mark for the year so far, higher humidity levels will have it feeling like the middle of the summer. Factoring in humidity levels, sunshine intensity and other factors, the AccuWeather RealFeel® Temperature can be an average of 10-15 degrees higher than the actual temperature, so care should be taken when working outdoors or partaking in rigorous physical exercise during the heat of the day. •Have the app? Unlock AccuWeather Alerts™ with Premium+ Along with the warm and humid conditions, as well as some high-flying clouds, smoke from distant wildfires in central Canada can contribute to the hazy appearance of the sky overhead and produce colorful sunrises and sunsets. As long as the fires continue to burn, they can periodically produce a hazy sky and, on occasion, lead to a campfire smell when that smoke reaches the ground. Thunderstorms on the prowl Smack in the middle of the warmth, and around the same time as temperatures peak Thursday afternoon, a front will approach from the West, bringing with it the chance for thunderstorms and severe weather. The greatest threat from the most potent storms will be from high wind gusts and hail. A few locations could be deluged by downpours that trigger flash flooding. Severe thunderstorms could develop by the Thursday evening commute from eastern Pennsylvania to Maine, threatening travel around major cities and along major interstates. The biggest threat from the storms will be damaging winds, but small hail and urban flooding will also be possible into Thursday night. More severe storms will erupt from the eastern Great Lakes to the central Appalachians Friday as another front approaches from the Midwest. Temperatures across New England and the central Appalachians will be noticeably lower Friday following the cold front and storms that move through late Thursday. In general, temperatures will be slashed by 10-15 degrees. The summerlike warmth is projected to continue farther south in much of the mid-Atlantic Friday. However, some cooling will be felt for the weekend with temperatures some 10 degrees lower, on average. Humidity levels will remain elevated. Conditions may get busy this weekend in the region, with areas of showers and thunderstorms. Want next-level safety, ad-free? Unlock advanced, hyperlocal severe weather alerts when you subscribe to Premium+ on the AccuWeather app. AccuWeather Alerts™ are prompted by our expert meteorologists who monitor and analyze dangerous weather risks 24/7 to keep you and your family safer.
Yahoo
08-04-2025
- Climate
- Yahoo
Record-challenging heat to build over Southwest, including over 100 F in Phoenix
Temperatures will throttle up over the southwestern United States into this weekend with some of the highest temperatures of the year so far for many areas across the interior, AccuWeather meteorologists say. The string of hot, dry days will boost the spring wildfire risk in the region. "A strong area of high pressure will bring unusual warmth for this time of year for the rest of this week and this weekend," AccuWeather Senior Meteorologist Heather Zehr said, "The high looks strongest from Wednesday through Friday, then weakens a bit this weekend as it slides eastward." Temperatures will run 10-20 degrees Fahrenheit above historical averages at the peak, with records challenged. Factoring in April sunshine, which is equivalent to sunshine in August, AccuWeather RealFeel® Temperatures can spike to 10 degrees or more above the actual temperature during the day. "Phoenix is likely to experience its first 100 F or higher reading of the year on Thursday," Zehr said, "Friday and Saturday may also top 100." The average date for the first 100 is May 2 at Phoenix. The earliest date was March 26, 1988. For outdoor enthusiasts who will be venturing out in the wilderness over the next week or so, be sure to pack plenty of water, as the sun and heat in remote areas can have deadly consequences. In California, the interior will get very warm, but sea breezes will keep coastal areas relatively cool, and there can be some short-lived fog along and near the coast to start each day. "There is a chance an eddy forms just offshore of Southern California, which is a common phenomenon in June," Zehr said. The counterclockwise circulation around the eddy can direct long-lasting cool, damp air with clouds and drizzle toward Southern California beaches and even to the Interstate 5 corridor. "If that eddy forms, coastal areas could be cloudy, drizzly and chilly for days, just like it often occurs in June," Zehr the app? Unlock AccuWeather Alerts™ with Premium+ The core of the heat will begin to shift farther to the east over the Southwest this weekend. As this occurs, temperatures should intensify in the California deserts first, followed by the Nevada and Arizona deserts as the weekend progresses. Cities such as Denver will join in on the heat surge and may challenge record highs. Across the interior Southwest, where temperatures will be the highest and the air the driest, the risk of wildfires will increase, especially by the weekend, following a week of scorching sunshine. Locally gusty winds could fan the flames of any fire sparked by human interaction, as thunderstorm activity is not expected. People are urged to be extremely careful with open flames, power equipment, or anything that can lead to sparks. Motorists should also avoid parking vehicles, even for a few minutes, on high grass and brush, as contact with the hot exhaust systems can start a fire. It could be many weeks before some rainfall from the North American monsoon is widespread over the Southwest. Drought conditions will continue to worsen beforehand. Want next-level safety, ad-free? Unlock advanced, hyperlocal severe weather alerts when you subscribe to Premium+ on the AccuWeather app. AccuWeather Alerts™ are prompted by our expert meteorologists who monitor and analyze dangerous weather risks 24/7 to keep you and your family safer.
Yahoo
22-03-2025
- Climate
- Yahoo
Winter's not done yet: Spring snow, chilly air headed for Midwest and Northeast
Spring may have officially arrived last week, but Mother Nature still has some wintry tricks left in the tank for the Midwest and Northeast. Chilly weather with the chance for some snow will stick around through at least the end of March in these areas. "We're looking at a series of cold fronts and storms sweeping from the Mississippi Valley to the mid-Atlantic through late next week," AccuWeather Lead Long-Range Expert Paul Pastelok said. "This will keep temperatures down and cut short any warmups ahead of the storms. Overall, we're expecting temperatures to be 5-10 degrees below the historical average as a whole for the end of March." AccuWeather's long-range experts have been warning for weeks that a weakening polar vortex in late March would usher in a stretch of unseasonably cool conditions with more frequent clouds and chances for rain and snow across the Midwest and Northeast. After a cold front brings blustery showers to the Northeast through Saturday evening, the weekend is expected to end on a mostly dry note, with clouds building ahead of the next storm moving in from the west. "This next storm will bring late March snow across the Upper Midwest, upper Great Lakes and southern Canada, which is not uncommon," AccuWeather Senior Meteorologist Dan Pydynowski said. "Duluth, Minnesota, for example, holds a historical average of around 13 inches of snow for the month of March." Duluth could wind up with 4-8 inches of snow by the time the storm winds down Monday morning, bumping the city much closer to what the typical March is like in terms of monthly snowfall."It has been a relatively snowless March so far with only 3.2 inches recorded for the month," Pydynowski said. Cold winds in the wake of the storm, with AccuWeather RealFeel® Temperatures in the 10s and 20s F, will serve as a reminder that winter is far from over in northern Minnesota and the rest of the Upper Midwest, Pydynowski the app? Unlock AccuWeather Alerts™ with Premium+ As the storm continues eastward, accumulating snow is likely across upstate New York and central and northern New England. A slushy accumulation could extend all the way to the coast of Maine, potentially making for a slow and slippery commute around Portland and Bangor, Maine, on Monday morning. Rain is expected along the Interstate 95 corridor from late Sunday night through Monday. More rounds of rain and snow showers are in the forecast next week, including a storm from late Tuesday into Wednesday that could bring accumulating snow to parts of the Appalachians. "The pattern heading into April favors wetness and cooldowns across the East," Pastelok said. "A couple of air masses can be quite cold for April standards, with perhaps even some snow for the Northeast, Great Lakes and Midwest. The pattern may warm in the Ohio Valley, Great Lakes and possibly Northeast late in the month." Want next-level safety, ad-free? Unlock advanced, hyperlocal severe weather alerts when you subscribe to Premium+ on the AccuWeather app. AccuWeather Alerts™ are prompted by our expert meteorologists who monitor and analyze dangerous weather risks 24/7 to keep you and your family safer.
Yahoo
15-02-2025
- Climate
- Yahoo
Dangerous cold to make a strong comeback in central, eastern US this week
Frigid air hanging out near the Canada border in the central and eastern United States will lunge southward in waves as the third week of February continues, AccuWeather meteorologists say while shivering. In some areas, the bitterly cold air could rival the lowest temperatures experienced this winter. This can certainly be the case for frigid daytime highs as well as nighttime lows at a point in the winter where lengthening days and strengthening sunshine allow the historical average to trend slowly upward. Central U.S. cities that could experience such conditions include Fargo, North Dakota; Minneapolis; Chicago; Omaha, Nebraska; Des Moines, Iowa; Kansas City, Missouri; Oklahoma City; Dallas; and St. Louis. "The first shock wave of bitter arctic air is already well established across central and western Canada," AccuWeather Senior Meteorologist Joe Lundberg said. "As the weekend storm strengthens while tracking into the Northeast, it will drag a significant chunk of that frigid air southward across the Great Plains and then force it eastward toward the Mississippi Valley, Appalachians and the Atlantic coast early in the week," Lundberg added. For example, the lowest daytime high temperature in Omaha, Nebraska, was on Jan. 20, when the high was 10 F. Temperatures may struggle to reach 0 F on Tuesday, which is forecast to be followed by their coldest night of the winter so far, with a low of 15 below zero at the start of the day on Tuesday. Farther north, temperatures may remain well below zero for many hours from Sunday night and perhaps right on through the middle of the week over portions of the northern Plains and the Upper Midwest. Farther to the south, in Dallas, record low temperatures will be challenged in the week ahead with frequent low temperatures in the frigid 10s. The cold in the east will be accompanied by gusty winds from Sunday to Tuesday following the most recent storm. Some gusts will top 50 mph in the central Appalachians, the mid-Atlantic and New England. Gusts this strong have the potential to break tree limbs and trigger sporadic power the app? Unlock AccuWeather Alerts™ with Premium+ AccuWeather RealFeel® Temperatures will run from 5 to 40 degrees lower than the actual temperature depending on the strength of the wind, sunshine and other factors. Some of the harshest conditions of the winter will be felt in the upcoming five to seven days. "The eastward and southward expansion of the cold early next week sets the stage for the next storm in the pipeline, one that will spread snow across portions of Nebraska, Kansas and northern Oklahoma into Missouri Monday night and Tuesday," Lundberg said. The same storm has the potential to spread some of the heftiest snowfalls of the winter across the mid-Atlantic and southeastern New England from Wednesday to Thursday. "One final surge of arctic air follows down through Texas in the wake of the storm with record lows," Lundberg said, "The cold will then envelop the entire nation east of the Mississippi from late next week into next weekend." Especially where the storm from Tuesday to Thursday is able to put a decent amount of snow on the ground, temperatures can plummet at night and struggle to rise much during the day, even where the sun is out. This is due to the insulating and reflective nature of fresh snow cover. Should that snowstorm develop to its full potential and produce a large swath of deep snow, then the lowest temperatures of the winter may be felt from the interior Southeast to the Northeast later next week. As the frigid air expands, dangerous conditions are in store, with the risk of frostbite and hypothermia for those who are not properly dressed or spend a considerable amount of time outdoors in the conditions. The penetrating cold can increase the risk of bursting pipes in drafty or poorly insulated areas, especially in the Southern states. After the last wave of Arctic air cycles through and off the Atlantic coast, temperatures will likely moderate before the end of the month. A pattern change during the last five days of the month or so and into early March should mean few storms and temperatures closer to the historical average (which continues to trend slowly upward) or perhaps even on the mild side of the average, Lundberg explained. "When factoring in the late February and March sun, it should feel a great deal warmer for many areas after the persistent cold conditions from January to much of February," AccuWeather Senior Meteorologist Brett Anderson added. Skiing and winter sports interest will still have plenty of snow on the slopes and ice on the lakes for a time after the milder weather arrives, but even seasonable temperatures, when combined with sunshine, can provide a tremendous boost for those experiencing the winter blues. Want next-level safety, ad-free? Unlock advanced, hyperlocal severe weather alerts when you subscribe to Premium+ on the AccuWeather app. AccuWeather Alerts™ are prompted by our expert meteorologists who monitor and analyze dangerous weather risks 24/7 to keep you and your family safer.
