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Tag: high temperature

  • NorCal forecast: A subtly cooler Thursday under increasing clouds

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    Northern California forecast: A subtly cooler Thursday under increasing clouds

    A passing weather system will bring back a few clouds and onshore flow to the region, allowing high temperatures to drop by a couple of degrees.

    GOING TO BE A DOORBELL RINGING ALL NIGHT LONG. YES, DEFINITELY. AND THE FORECAST IS GOING TO BE SHAPING UP NICELY. SO I THINK YOU’LL PROBABLY HAVE A LOT OF KIDS VISITING YOUR NEIGHBORHOOD. TEMPERATURES LOW 50S RIGHT NOW IN THE VALLEY. HERE’S A LIVE LOOK IN RANCHO CORDOVA WHERE THE SKIES LOOKING JUST A LITTLE BIT HAZY. IT’S 28 RIGHT NOW, WAKING UP IN SOUTH LAKE TAHOE TODAY, MARKING THE 30TH DAY OF OCTOBER. AND WE’RE GOING TO BE LOOKING AT TEMPERATURES ABOVE NORMAL. KEEP IN MIND, WHEN WE RIDE OUT THESE FINAL DAYS OF OCTOBER, NORMAL TEMPERATURES FOR HIGHS LOWER 70S TODAY, EXPECTING ANOTHER ROUND OF UPPER 70S. I JUST DON’T THINK MANY AREAS WILL REACH THE 80 DEGREE MARK LIKE WE DID YESTERDAY. AND FOR PERSPECTIVE, A COUPLE OF YEARS AGO, BACK IN 2015, TEN YEARS AGO TO BE EXACT, WE BROKE A RECORD ON THIS DAY AT 85 DEGREES. LET’S LOOK CLOSER AT THAT HALLOWEEN FORECAST AS THE BATS GET READY TO FLY BY IN THE VALLEY. TEMPERATURES AROUND 6:00 TOMORROW. LOW 70S, MOSTLY SUNNY SKIES. A FEW CLOUDS WILL TRICKLE IN BY 8:00, BUT STILL COMFORTABLE MID 60S FOR FOOTHILLS. HALLOWEEN FORECAST STARTS OUT 6:00 UPPER 60S. WE DROP BACK TO LOW 60S BY 8:00 AND IN THE SIERRA. THIS IS PROBABLY THE ONE SPOT YOU WANT TO HAVE THAT LAYER READY TO GO FOR, ESPECIALLY THE LITTLE ONES. 6:00 YOU’RE AT 60 DEGREES, DROPPING BACK TO LOW 50S AROUND 8:00. SO THE WEATHER FORECAST, THE PATTERN AS WE LOOK AT IT RIGHT NOW, A LITTLE SYSTEM WILL GO BY THE AREA TODAY BRINGING US SOME CLOUDS. IT’S ALSO GOING TO HELP TO ENHANCE A BIT OF THE DELTA BREEZE. SO IN TERMS OF TEMPERATURES, EVEN AS THAT SYSTEM HELPS US, WE’RE LOOKING ABOVE NORMAL. EVEN WITH A FEW MORE CLOUDS. WE’LL SEE THOSE SKIES TODAY DRY HALLOWEEN. SO AGAIN, DON’T BE SPOOKED BY THOSE LATE IN THE EVENING. CLOUDS. RAIN CHANCES ARE SET TO INCREASE MIDDLE TO LATE NEXT WEEK. NOW LET’S GO THROUGH SOME OF THIS WITH FUTURECAST. THERE’S WHERE SOME OF THE CLOUDS ARE GOING TO COME INTO PLAY, ESPECIALLY ON HALLOWEEN EVENING. BUT AGAIN DRY FORECAST. WE’RE DRY STRAIGHT THROUGH THE WEEKEND AS THAT RIDGE OF HIGH PRESSURE PRETTY MUCH INFLUENCES US AND KEEPS US HIGH AND DRY. WE’LL HEAD INTO SUNDAY A FEW MORE CLOUDS BY LATE IN THE DAY, ON SUNDAY AND INTO MONDAY, AND THEN LOOKING AHEAD TO TUESDAY AND WEDNESDAY. CLOUDS WILL CERTAINLY START TO BUILD. IT’S BY WEDNESDAY AND WATCHING THIS WEATHER SYSTEM THAT IS EXPECTED TO DELIVER LIKELY WEDNESDAY EVENING INTO THURSDAY. POTENTIAL FOR RAIN. BE NICE TO GET THAT, WOULDN’T IT? SEVEN DAY FORECAST. YOU’RE GOING TO SEE A LOT OF ICONS ON HERE. TEMPERATURES NOT MODERATING ALL THAT MUCH STRAIGHT THROUGH THE WEEKEND. FIRST WEEKEND OF NOVEMBER. QUITE MILD ABOVE NORMAL. DON’T FORGET THOUGH, SATURDAY NIGHT TO SET THOSE CLOCKS BACK AN HOUR. DAYLIGHT SAVING TIME ENDS AND THEN INTO NEXT WEEK. TEMPERATURES START TO SLINK DOWNWARD MIDDLE OF THE WEEK, AND BY WEDNESDAY NIGHT COULD BE LOOKING AT THOSE RAIN CHANCES GOING UP. SO BY TOMORROW, YOU MAY SEE THAT THERE’S A RAIN ICON ON WEDNESDAY AND THURSDAY. FOR NOW, THOUGH, KEEPING IT DRY DURING THE DAY. ALL RIGHT. GOING ON.

    Northern California forecast: A subtly cooler Thursday under increasing clouds

    A passing weather system will bring back a few clouds and onshore flow to the region, allowing high temperatures to drop by a couple of degrees.

    Updated: 6:04 AM PDT Oct 30, 2025

    Editorial Standards

    A passing weather system will bring back a few clouds and onshore flow to the region, allowing high temperatures to drop by a couple of degrees.Valley highs will be in the upper 80s, foothill temperatures will peak in the mid-70s, and highs in the Sierra will be in the upper 60s.The weather will be similar for Halloween and the weekend—valley highs in the upper 70s to low 80s under a few clouds, with light onshore winds. Expect evening temperatures in the 60s on Halloween.Our stretch of quiet weather lasts into the start of next week, but the next chance of rain arrives midweek as a trough swings into the region.

    A passing weather system will bring back a few clouds and onshore flow to the region, allowing high temperatures to drop by a couple of degrees.

    Valley highs will be in the upper 80s, foothill temperatures will peak in the mid-70s, and highs in the Sierra will be in the upper 60s.

    The weather will be similar for Halloween and the weekend—valley highs in the upper 70s to low 80s under a few clouds, with light onshore winds. Expect evening temperatures in the 60s on Halloween.

    Our stretch of quiet weather lasts into the start of next week, but the next chance of rain arrives midweek as a trough swings into the region.

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  • In face of extreme heat, L.A. may require landlords to keep their rentals cool

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    Los Angeles landlords may soon be required to keep rental units cool — or at least make it possible for tenants to do so.

    County supervisors last month passed a law requiring landlords in unincorporated areas to provide a way to keep their rental units at 82 degrees or below. A measure introduced Wednesday in the Los Angeles City Council directs officials to draft language conforming to the same standards.

    That comes as climate change ratchets up the frequency and intensity of heat waves. Extreme heat already kills more people in the United States each year than any other weather-related event, according to the National Weather Service.

    Sustained indoor heat above 82 degrees has been linked to increased emergency-room visits, hospitalizations and deaths, according to a news release from Councilmembers Bob Blumenfield and Eunisses Hernandez, who introduced the measure along with Councilmember Adrin Nazarian.

    “It’s a health issue, first and foremost,” said Nazarian, who pointed out that the effects of extreme heat fall disproportionately on vulnerable populations like those who are chronically ill. Older residents are much more susceptible to dying from heat or related complications, he said. And poorer people are more likely to live in aging buildings without duct systems or air conditioning units. “It’s critical for us to take steps so that we’re protecting our residents.”

    The California Department of Housing and Community Development earlier this year urged lawmakers to adopt the 82-degree maximum temperature threshold statewide. State law already requires rental units to include equipment that can heat the unit to at least 70 degrees.

    “Why should cooling be any different?” asked Blumenfield, who represents the hottest part of the city — his 3rd District covers much of the southwestern San Fernando Valley. Last year Woodland Hills, where Blumenfield also lives, hit 121 degrees — the highest temperature ever recorded in Los Angeles. “We always have heat strokes go up and all sorts of health related issues happen when it gets really hot,” he said.

    The intention of the proposed measure is to hew as closely to the county regulations as possible, including provisions that provide flexibility to small landlords, Blumenfield said. For instance, the county rules allow landlords who own 10 or fewer units to meet the temperature requirement for just one room until 2032. And while the law took effect this month, it won’t be enforced until 2027.

    The measure will take some time to draft and be heard by various committees but could come up for a vote before the full council in a matter of months, Blumenfield said.

    If it passes, Los Angeles would join a growing list of cities that have adopted maximum temperature thresholds for rentals. In Phoenix, units with air conditioning must be able to maintain a temperature of 82 degrees or below. In Clark County, Nev., units must be able to stay at 85 degrees or cooler. In Palm Springs, units need to have air conditioning and be able to maintain 80 degrees. Dallas requires landlords to keep buildings at least 15 degrees cooler than the outside temperature but no higher than 85 degrees, and New Orleans requires units to be able to maintain a maximum temperature of 80 degrees in all bedrooms.

    The Apartment Assn. of Greater Los Angeles was adamantly opposed to the measure, saying it would drive up the cost of housing and ultimately lead to higher rents.

    It’s difficult to maintain a unit at 82 degrees without using an air conditioner, which can be costly to both landlords — who may need to upgrade buildings’ electrical service — and tenants, who must pay for utility bills, according to Daniel Yukelson, the group’s chief executive and executive director.

    “Any cooling device will be ineffective if too expensive to operate because renters cannot afford the electricity,” he wrote in an email. “It’s like prescribing medication with a co-pay that is too high for a patient to refill.”

    Yukelson also questioned whether the electrical grid can accommodate the additional load, saying that customers are already subjected to blackouts and brownouts during the summer.

    Nazarian and Blumenfield both pointed out that the law does not require air conditioning, and said units could be kept cool with other interventions, including cool roof technology and window tinting. The Los Angeles Department of Water and Power also offers rebates to help certain customers purchase air conditioners, Nazarian said.

    Grace Hut, assistant director of policy and advocacy for tenants’ rights group Strategic Actions for a Just Economy, said her organization has spoken with many renters whose landlords have actively prohibited them from installing air conditioner units. While she understands concerns about utility prices, tenants ultimately want to be able to choose for themselves whether or not to turn on an air conditioner and shoulder the higher electricity costs, she said.

    “On extreme heat days, access to air conditioning can be a matter of life and death, and they should have the option to use it,” she said.

    The city should also dedicate resources to enforcing the temperature-threshold rules and to helping tenants afford their utility bills to lessen the burden, she added.

    “Climate change is only going to continue to exacerbate this issue so it’s really important that we take action immediately,” she said.

    Last year was the warmest on record globally, and temperatures are projected to continue to rise. In 2022, a Times investigation revealed that heat probably caused about 3,900 deaths in California over the previous decade — six times the state’s official tally — and that the undercounting has contributed to a lack of urgency in confronting the crisis.

    Times staff writer Rebecca Ellis contributed to this report

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    Alex Wigglesworth

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  • Death Valley sets another heat record. August temperatures also could be above average

    Death Valley sets another heat record. August temperatures also could be above average

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    Death Valley National Park set another record in July.

    The area dubbed the hottest place on Earth saw an average temperature in July of 108.5 degrees, according to the National Weather Service. That broke the previous record of 108.1 degrees in July 2018.

    The average high temperature last month in Death Valley was 121.9 degrees, tying the record set in July 1917.

    The National Weather Service keeps a temperature sensor in Furnace Creek in Death Valley.

    “It’s a pretty hot one out there,” said Morgan Stessman, a meterologist in the National Weather Service’s Las Vegas office.

    Farther south, a California town near the border of Arizona also boasted a new record for the hottest monthly average temperature in the country.

    Needles averaged 103.2 degrees in July, surpassing Phoenix’s highest average temperature in July 2023 of 102.7 degrees, according to the Arizona State Climate Office.

    More punishing temperatures may be on the way. Meteorologist Stessman said that there is a 50% to 60% chance that Death Valley will see above normal temperatures for the month of August.

    A long, narrow basin near the border of Nevada, Death Valley is 282 feet below sea level. The mountains trap hot air and circulate the heat like a convection oven.

    The highest temperature ever recorded in Death Valley was 134 degrees on July 10, 1913. The average high temperature that month was 116.5 degrees.

    In July, a European tourist in Death Valley melted the skin off his feet when he lost his flip-flops in the sand dunes, park officials said. Also in July, a biker in Death Valley died.

    The heat hinders rescue efforts. When temperatures exceed 120 degrees, a medical helicopter cannot access the park. Air expands when it is heated, becoming thinner than cold air and helicopters can’t get the lift needed to fly.

    Trees and wildlife also are suffering. One 2022 study found that thousands of the trees have died at Telescope Peak, the highest point in Death Valley, since 2013.

    Another study from 2019 found that about a third of Death Valley’s bird species have declined in the last 100 years because of heat stress associated with climate change.

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    Dakota Smith

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  • Crews make progress as massive Park fire swells beyond 350,000 acres

    Crews make progress as massive Park fire swells beyond 350,000 acres

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    Firefighters on Sunday made some progress against the massive Park fire burning in Butte, Plumas, Shasta and Tehama counties — California’s largest wildfire of the year and the state’s seventh largest fire on record.

    The 353,194-acre blaze was 12% contained owing largely to a brief break in hot, dry weather conditions, according to the California Department of Forestry and Fire Protection. But crews face an uphill battle with higher temperatures and lower humidity on the horizon as the fire continues to burn in heavy vegetation.

    “We’re kind of at the mercy of the weather, the fuel and the topography — those are the three driving factors of any fire,” said Jay Tracy, a spokesperson for the incident.

    The explosive wildfire ignited Wednesday afternoon after a man pushed a burning car into a gully near Chico in what authorities say was an act of arson. Thousands of people have been evacuated from their homes, and at least 66 structures have been destroyed and 4,200 remain threatened.

    Flames burn as the Park Fire jumps Highway 36 near Paynes Creek in Tehama County, Calif., on Friday.

    (Noah Berger / Associated Press)

    Nearly 4,000 firefighters are attacking the blaze from the air and ground, Tracy said. But the fire is burning in steep, jagged terrain that is proving difficult to access — including areas such as the Ishi Wilderness that haven’t burned in decades and so are overgrown and rife for fire, Tracy said.

    “There’s not any infrastructure in there that would have the roads and the access points that we need,” he added.

    The fire is largely crawling in a northward direction, where communities such as Paynes Creek remain a top concern. Fortunately, many of the homes and neighborhoods in the area are spread out and not densely populated, which has so far allowed crews to keep property damage and other tolls to a relative minimum, Tracy said.

    Another community of concern — Cohasset on the fire’s southern perimeter — has also so far been spared due to a combination of “luck and hard work,” according to Zeke Lunder, a Chico-based fire specialist and geographer.

    Satellite imagery of the blaze captured by the European Space Agency show many active spots of heat and flames, but also some beneficial forest management and fuel reduction projects that have helped keep some areas protected, Lunder said in a briefing Saturday evening.

    However, forecasters say luck could soon change. While a low-pressure system delivered significantly cooler and moister conditions to the region over the weekend, the days ahead are likely to bring a gradual increase in temperatures and decrease in humidity, according to Sara Purdue, a meteorologist with the National Weather Service in Sacramento.

    “We’re looking at potential for triple digits by next weekend,” Purdue said. “There is some uncertainty in the forecast still, but it’s going to be a slow transition back to those warmer-than-normal temperatures.”

    The fire has prompted a state of emergency declaration from Gov. Gavin Newsom, who said Saturday that he had secured additional federal assistance to help battle the blaze.

    “This is already one of the biggest fires in California history, and we’re continuing to see dangerous conditions — our firefighters and emergency responders are working day and night to protect our communities,” Newsom said in a statement. “Californians must heed warning from local authorities and take steps to stay safe.”

    Indeed, the Park fire is far from the only blaze burning in California, where crews are contending with more than two dozen active wildfires.

    In Kern County, the Borel fire has seared through more than 38,000 acres and was 0% contained on Sunday, according to Capt. Andrew Freeborn with the Kern County Fire Department.

    The fire began Wednesday in the Kern River canyon and spread rapidly as it moved through the canyon and met with strong winds along the ridges, he said.

    “We’ve been under red flag warning conditions, and the fire continues to burn in a very, very intense and erratic way,” Freeborn said. “The flames can be seen from miles away. If you’re looking for what extreme fire behavior would be defined as, we’re seeing it on this fire.”

    Evacuation orders and warnings have been issued throughout the area. Freeborn said structure damage is still being assessed, however reports indicate there may have been significant structure loss in the town of Havilah.

    The Borel fire is being managed with two other fires in Kern and Tulare counties, collectively referred to as the SQF Lightning incident. The other fires are the Trout fire, which has burned 22,660 acres and is 25% contained, and the Long fire, which has burned 9,204 acres and is 35% contained.

    An animal runs through grass while fleeing flames from the Park fire.

    An animal runs through grass while fleeing flames as the Park Fire tears through the Cohasset community in Butte County on Thursday.

    (Noah Berger / Associated Press)

    Tracy, the Park fire incident spokesperson, said some of the extreme behavior displayed in that fire’s early hours appears to have slowed, such as tornado-like “fire whirls” sometimes referred to as “firenados.”

    But is is continuing to spew considerable smoke, with federal smoke maps showing plumes from the fire reaching as far as Oregon and Nevada.

    The Park fire has prompted several road closures and the closure of Lassen Volcanic National Park. Evacuation shelters are available at Neighborhood Church in Chico and Los Molinos Vet’s Hall in Los Molinos. Large and small animal shelters are also available in Oroville, Red Bluff and Corning.

    The race between the weather and the firefight will continue on Sunday and in the days ahead, Tracy said.

    “If the weather continues to cooperate, then we’ll be able to continue this direct attack and start to button up more containment,” he said.

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    Hayley Smith

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