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 document highs had 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 influence components 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 means of Monday with afternoon temperatures reaching the triple digits in Portland on Saturday and nonetheless hovering effectively into the 90s on Sunday and Monday. Day by day document highs can be challenged in each cities over the subsequent three days.
Comparatively gentle temperatures at night time will make this warmth wave much more harmful for the reason that hotter temperatures make it tougher for individuals to adequately cool off in a single day.
The intense warmth in southern California continues to gasoline elevated fireplace climate considerations for components of the area, together with these coping with wildfires just lately. Crimson flag warnings are in place by means of 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 acute 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 may additionally spark new fires in Southern California with the recent and dry situations in place.
This expansive and enhanced space of moisture can be fueling remoted thunderstorms in components of the Northwest. Nonetheless, most of those storms will bringing lightning and little rainfall prompting purple flag warnings for components of the Cascade and Olympic Mountains in western Washington. Lightning strikes may spark new fires amid very heat, dry and regionally breezy situations.
The opposite space is a disorganized tropical wave within the central Atlantic, situated about 650 miles east of the Windward Islands. Atmospheric situations have gotten unfavorable for this disturbance to develop; nonetheless, the Nationwide Hurricane Middle has maintained a low probability (20%) of growth over the subsequent seven days, for now.
It may convey 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 lively behind Hurricane Erin.
The Nationwide Hurricane Middle is monitoring two tropical disturbances in Atlantic Basin, nonetheless, neither of those are at present a serious concern or anticipated to convey 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 response to the Nationwide Hurricane Middle. 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 night time into Monday.
Presently, the storm seems to be like it is going to be far sufficient east of the island to restrict any rain or wind impacts, nonetheless it may nonetheless convey a interval of tough surf within the coming days.
The opposite space the Nationwide Hurricane Middle is monitoring is a disorganized tropical wave within the central Atlantic, situated about 650 miles east of the Windward Islands. Atmospheric situations have gotten unfavorable for this disturbance to develop; nonetheless, the Nationwide Hurricane Middle has maintained a low probability (20%) of growth over the subsequent seven days, for now.
It may convey 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 step by step diminish all through the weekend, nonetheless 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 huge waves proceed to batter the coast. From Rhode Island to Maine, massive breaking waves between 4 to 10 toes are potential by means of at the very least on Saturday. Alongside the Outer Banks, wave heights between 6 to 9 toes are potential.
Coastal flood alerts stay in impact by means of as we speak, 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.
