Harmful warmth is impacting greater than 50 million Individuals within the West this weekend, with warmth alerts in impact from Arizona to Washington.
An excessive warmth warning is in impact for cities together with Seattle, Washington; Portland, Oregon; Los Angeles, California; Las Vegas, Nevada; and Phoenix, Arizona.
A warmth advisory is in impact for Riverside, California; Sacramento, California; and Spokane, Washington.
A helicopter flies close to flames from the Pickett Fireplace in Napa County, Calif., on Aug. 22, 2025.
Carlos Barria/Reuters
Temperatures on Saturday afternoon can be hovering into the triple digit throughout a big swath of the area, as far north as parts of Oregon and Washington.
New every day file highs have been set in a number of cities within the West on Friday and quite a few can be challenged within the area as soon as once more Saturday afternoon.
A number of days of harmful, record-challenging warmth will affect elements of the Pacific Northwest, together with Portland to Seattle, part of the nation much less accustomed to extended excessive warmth.
Highs can be close to 90 in Seattle by Monday with afternoon temperatures reaching the triple digits in Portland on Saturday and nonetheless hovering properly into the 90s on Sunday and Monday. Every day file highs can be challenged in each cities over the subsequent three days.
Comparatively delicate temperatures at evening will make this warmth wave much more harmful because the hotter temperatures make it harder for individuals to adequately cool off in a single day.
The acute warmth in southern California continues to gasoline elevated fireplace climate considerations for elements of the area, together with these coping with wildfires lately. Crimson flag warnings are in place by Saturday for the mountains north of the cities of Los Angeles, Ventura and Santa Barbara, together with locations like Santa Clarita, as a result of scorching warmth, low humidity, and regionally breezy winds.
The identical sample that’s bringing the intense warmth within the West, can be bringing monsoon moisture from the Pacific up throughout the area. That is fueling extra widespread monsoon thunderstorms from the 4 Corners area to southern California. Localized flash flooding is feasible the place the heaviest rain falls. Lighting from these storms might additionally spark new fires in Southern California with the new and dry situations in place.
This expansive and enhanced space of moisture can be fueling remoted thunderstorms in elements of the Northwest. Nonetheless, most of those storms will bringing lightning and little rainfall prompting pink flag warnings for elements of the Cascade and Olympic Mountains in western Washington. Lightning strikes might spark new fires amid very heat, dry and regionally breezy situations.
The opposite space is a disorganized tropical wave within the central Atlantic, positioned about 650 miles east of the Windward Islands. Atmospheric situations have gotten unfavorable for this disturbance to develop; nevertheless, the Nationwide Hurricane Heart has maintained a low likelihood (20%) of improvement over the subsequent seven days, for now.
It might carry regionally heavy rain and gusty winds to parts of the Windward Islands over the subsequent few days.
Tropical Storm Fernand types in Atlantic
The height of the Atlantic hurricane season is now lower than three weeks away and the tropics stay energetic behind Hurricane Erin.
The Nationwide Hurricane Heart is monitoring two tropical disturbances in Atlantic Basin, nevertheless, neither of those are at the moment a serious concern or anticipated to carry impacts to the U.S.
The primary, is Tropical Storm Fernand, which fashioned late Saturday afternoon over the center of the Atlantic Ocean, a number of hundred miles south-southeast of Bermuda, in keeping with the Nationwide Hurricane Heart. Fernand is the sixth named storm of the Atlantic hurricane season.
The storm is forecast to march north over the open waters of the north-central Atlantic within the coming days.
Fernand is forecast to strengthen over the subsequent 24-48 hours because it passes east of Bermuda Sunday evening into Monday.
At the moment, the storm seems to be like it will likely be far sufficient east of the island to restrict any rain or wind impacts, nevertheless it might nonetheless carry a interval of tough surf within the coming days.
The opposite space the Nationwide Hurricane Heart is monitoring is a disorganized tropical wave within the central Atlantic, positioned about 650 miles east of the Windward Islands. Atmospheric situations have gotten unfavorable for this disturbance to develop; nevertheless, the Nationwide Hurricane Heart has maintained a low likelihood (20%) of improvement over the subsequent seven days, for now.
It might carry regionally heavy rain and gusty winds to parts of the Windward Islands over the subsequent few days.
Lingering results from Erin
In the meantime, lingering tough surf and harmful rip currents proceed to place a damper on many seashore plans throughout the East Coast.
The coastal impacts will proceed to steadily diminish all through the weekend, nevertheless harmful rip currents, coastal flooding and tough surf impacts persist Saturday afternoon in lots of areas.
Excessive surf advisories stay in impact alongside a lot of the New England shoreline, from Rhode Island to Maine, in addition to North Carolina’s Outer Banks.
Tough surf and enormous waves proceed to batter the coast. From Rhode Island to Maine, massive breaking waves between 4 to 10 toes are potential by a minimum of on Saturday. Alongside the Outer Banks, wave heights between 6 to 9 toes are potential.
Coastal flood alerts stay in impact by immediately, from North Carolina’s Outer Banks to southern New Jersey for residual coastal flooding with 1 to 2 toes of inundation potential with excessive tide in some areas.
Harmful rip currents persist alongside a lot of the East Coast, with most seashores underneath a excessive danger for rip currents this weekend.
