Tuesday, 28 July 2026, 7:49
According to a weather alert from Apple Valley News Now, extremely dry vegetation combined with gusty winds will create hazardous conditions from Thursday through Saturday. The combination of low humidity and strong gusts can rapidly spread any ignition, making this a critical period for fire weather. Red Flag Warnings are up for the Sierra Front through 9 pm Friday due to critical fire danger. Wind speeds will be in the mid 30’s through early Friday night, combining with dry air increasing fire danger. An area of high pressure is located to our east, with a trough up to the northwest. The ridge and the trough combined increases the pressure gradient, and therefore, increases wind speeds. Saturday will be the hottest day of the week, with highs around 100 degrees. Monsoonal moisture then moves in on Sunday, increasing cloud cover, and giving areas mainly south of Highway 50 a chance for rain and thunderstorms.
In a related report, the National Weather Service Storm Prediction Center warns that a large portion of the US is at risk for thunderstorms through this evening, following dangerous flooding in the Northeast after the July 4th weekend. Dr. Kerry Cook, a professor at the University of Texas at Austin, explains that “rainfall is getting heavier. Extreme events are delivering more water per minute.” This is driven by increased water vapor in a warming atmosphere.
While the immediate fire risk is localized to areas with dry vegetation and wind, California has experienced a seesaw of extremes—from drought to atmospheric rivers. The state’s Mediterranean climate makes it especially vulnerable to rapid transitions between wet and dry conditions, which can fuel both wildfires and flash floods.
California’s first storms of the monsoon season are expected to arrive this weekend, raising concerns about heightened wildfire risk. The storms could reach Central California as early as Sunday, bringing gusty winds across the Sierra Nevada and a 10% chance of lightning but producing very little rain, said Carlos Molina, meteorologist with the National Weather Service in Hanford. Some of California’s largest recorded blazes have started with dry lightning strikes, including the August Complex fire, which in 2020 became the state’s first to burn more than a million acres. The mountain thunderstorms are expected to continue Monday and Tuesday but should be accompanied by wetting rains that dampen fire risk, with about a tenth of an inch of precipitation, Molina said. The moisture will be confined to the Sierra and the Owens Valley side of the range and is not expected to reach the San Joaquin Valley, which is likely to see triple-digit heat, he said. Monsoon storms can be unpredictable and trigger flash flooding in desert areas, so people should remain aware of their surroundings, he said.
There’s a 10% to 20% chance of lightning in Los Angeles, Ventura, Santa Barbara and San Luis Obispo counties, primarily in mountain areas, starting Sunday and lasting through Thursday, said Spencer Fielding, meteorologist with the National Weather Service in Oxnard. Those areas could also see rain, but forecasters won’t know for sure until it gets closer, he said. Temperatures are expected to rise, with some areas reaching 10 to 15 degrees above normal, and conditions will also likely be more humid due to the monsoonal moisture, he said. The monsoon is a switch in wind direction that occasionally pushes subtropical moisture into California in the summer, said Dylan Flynn, meteorologist with the National Weather Service in Monterey. The moisture is expected to arrive in the Bay Area on Sunday and will likely peak Sunday night into Monday morning, bringing erratic, gusty winds and a roughly 20% chance of lightning, Flynn said. By the time it reaches that far north, the pattern is not expected to drop much, if any, rain, and even if it does, much of it will evaporate before hitting the ground due to the dryness of the summer air, Flynn said. “That creates its own hazard of, potentially, lightning without the rain that could put out any fire starts,” he said, adding that a warming trend has dried plants and soils. To the east, Death Valley and the Morongo Basin could see isolated storms Sunday, followed by more widespread activity Monday, with scattered thunderstorms, dry lightning and gusty winds, said Stan Czyzyk, meteorologist with the National Weather Service in Las Vegas. Any rainfall is expected to be light, he said. There is some potential that heavier rains could reach the area after Monday, but the outlook remains uncertain, he said. The moisture should provide some relief from hot temperatures that have beset the area, although it will also raise humidity levels, meaning that conditions likely won’t cool as much at night, he said.
Strong winds and dry thunderstorms are raising the risk of fast-moving wildfires across much of the U.S. West, where forecasters warned conditions will favor new ignitions and rapid fire spread through Thursday. An elevated fire-weather outlook, Level 1 on the Storm Prediction Center’s three-tier scale, is in effect from California’s Sierra Nevada to western Colorado. Red flag warnings have also been issued for parts of Washington, Idaho and Utah. Thunderstorms are expected from Idaho south into northern Arizona and New Mexico, according to Nick Nauslar, a fire science and operations officer at the Storm Prediction Center. Some of these will contain rain, but many will not, raising the risk of dry lightning in the area. While the pockets of rain will help the areas where they fall, much of the area vegetation remains dry and ready to burn, Nauslar wrote, “including record dry fuels in portions of Utah and Colorado.” Dry lightning occurs when the air is so parched that rain actually evaporates before it can hit the ground. All that’s left is the lightning bolts that can spark fires and have been the cause of massive blazes in the past. The elevated fire risks will continue Thursday mainly across Southern California to western Colorado and New Mexico, the agency said.
A Red Flag Warning is up for the Truckee Meadows on Friday. It will be hot as well with highs near 100 degrees.
According to a report from Patch, looming dry thunderstorms pose a wildfire risk for the Bay Area. The National Weather Service has issued a Red Flag Warning for the North Bay Mountains and East Bay Hills from Sunday morning through Monday evening. The warning cites the potential for dry lightning and gusty winds, which could ignite and rapidly spread fires. The Bay Area is expected to see a 20% chance of lightning, with the highest risk in the North Bay and East Bay hills. The dry lightning threat is particularly concerning because any fires that start could spread quickly due to the dry vegetation and gusty winds. Residents are urged to be cautious and avoid any activities that could create sparks.
Firefighters in Marin County conducted a controlled burn training exercise on Saturday, intentionally setting fire to dry grass and brush to reduce wildfire risk and prepare crews for the months ahead. The training took place on a hillside in San Rafael, where flames moved steadily across acres of dry vegetation under carefully monitored conditions. Fire officials say the prescribed burn serves a dual purpose: removing fuels that could help feed future wildfires and giving firefighters valuable hands-on experience working around live fire. “We always stress the importance of anytime the fire is on the ground, it doesn't realize it's training versus an actual burn that's threatening homes or hillsides,” said Capt. Steven Mackall of the Marin County Fire Department. More than 25 firefighters participated, many from volunteer fire departments throughout the North Bay. For some, it was their first opportunity to work in close proximity to an active fire. “This is the first time they're actually experiencing some of the complexities of what live fire feels like, and we want them to do it here in a controlled environment before we have to let them experience that in a real-life scenario,” said Chief Jesse Peri of the Stinson Beach Fire Protection District. The training comes as fire agencies across Northern California closely watch weather conditions expected to increase wildfire risk this weekend. According to the National Weather Service, a high-pressure system moving into the region Sunday and Monday could bring hotter temperatures, lower humidity levels and the possibility of dry lightning — a combination that can rapidly increase fire activity. “Fire weather drives fire behavior,” said Marin County Fire Battalion Chief Keith Wallace. “The combination of low humidity and higher winds, receptive fuels — when those things are in alignment, you have potential for fire growth.” The heightened concern follows a small vegetation fire Saturday night on Seminary Drive in Mill Valley. Crews with the Southern Marin Fire District quickly contained the blaze before it could spread to nearby homes. Fire officials say the controlled burn training provides critical experience as wildfire season intensifies. “I think as summer progresses, it's on everyone's mind,” Wallace said. Authorities are urging residents to remain alert and prepared as hotter, drier conditions increase wildfire danger across the Bay Area.
Fire danger escalates now through Monday. The tropical monsoon has arrived, with dry lightning threats, coastal flooding and a building inland heatwave impacting the region simultaneously. Highs today ranged from 64 in Pacifica to 94 in Fairfield. Monsoonal moisture is advancing rapidly northward into the Bay Area. Radar is tracking mid-to-high-level tropical clouds and virga (rain completely evaporating before touching the ground). The threat for dry lightning and gusty thunderstorm wind gusts is active tonight through Monday morning. While the chance of a lightning strike remains low, any strike could easily spark a wildfire. By Monday afternoon, a slight chance of actual wetting rain showers. A Coastal Flood Advisory is in effect tonight through Thursday. Sunday Forecast: Coast cool in the 60s, bayshore 70s, and the inland in the 80s to mid-90s. Muggy Nights: The incoming tropical monsoon clouds will act like a giant greenhouse blanket tonight and tomorrow night. Overnight lows in the 60s away from the Coast.
According to the City of Malibu Fire Safety Liaisons' report from July 10, 2026, the latest Live Fuel Moisture reading is 70%, down from 74% and below the historical average of about 80% for this time of year, indicating vegetation is continuing to dry and becoming more available to burn. Live Fuel Moisture measures the water content of living vegetation and is a key indicator of wildfire potential. Large fires can develop when readings are in the 70%–80% range, especially with heat, low humidity, and strong winds. At about 60% or lower, vegetation burns much like dead fuel and conditions become critical. The current Smokey Bear fire danger level is Moderate, meaning fires can start and spread through dry vegetation, particularly when winds increase or humidity drops.
Fire potential in the Santa Monica Mountains is moderate, with locally elevated concern on hotter, drier interior slopes, ridgelines, and wind-exposed areas. Coastal Malibu should remain somewhat cooler and more humid, but the low 70% live fuel moisture means fires could still spread rapidly if ignitions occur during gusty winds and low humidity. Over the next 10 days, inland Los Angeles County faces greater concern, with wind gusts of 25–40 mph, humidity as low as 5%–15%, and temperatures of 90–105 degrees. A slight chance of monsoonal thunderstorms begins Sunday. Early storms may produce lightning with little rainfall, increasing the risk of new fire starts. Now is the time to maintain defensible space and brush clearance, clear roofs and gutters, avoid activities that create sparks, and review family evacuation plans and go-bags. Schedule your free home wildfire assessment with the Fire Safety Liaisons by calling (310) 456-2489, or emailing [email protected].
A fast-moving wildfire erupted in Los Angeles County on Friday, scorching more than 2,500 acres as dangerous fire weather grips California and much of the West. Dubbed the Summit Fire, the blaze is burning north of the Angeles National Forest and has prompted several evacuation orders and warnings for vulnerable communities near Llano. According to the Los Angeles County Fire Department, the Summit Fire had burned approximately 2,581 acres and was 0% contained as of 10 p.m. local time. Fueled by dangerous fire weather conditions, the Summit Fire grew explosively Friday amid triple-digit heat near the northern edge of the Angeles National Forest in the Antelope Valley. While California and Los Angeles County are not currently in drought, fire weather conditions can still develop as extreme heat dries out vegetation and fuels wildfire growth. The combination of extreme heat, critically dry vegetation and periods of gusty afternoon winds is expected to support active fire behavior through the weekend that could allow the blaze to continue spreading while making containment more difficult for firefighters. With the fire burning in rugged terrain amid dangerous heat and dry conditions, an army of air tankers and helicopters have been deployed to battle the blaze burning near Piñon Hills along the Los Angeles-San Bernardino county line. According to CalFire, the blaze is threatening structures, and the cause of it remains under investigation. Military C-130 Modular Airborne FireFighting System (MAFFS) airtankers have been deployed to provide critical surge capacity, dropping fire retardant on the fire. As of 9 a.m. PT on Saturday, the Summit Fire had burned 2,677 acres and remained at 0% containment, with evacuation orders and warnings still in place for Los Angeles and San Bernardino counties.
By Saturday evening, the Summit Fire had burned 2,690 acres and reached 8% containment, according to the Angeles National Forest. Cooler temperatures overnight helped firefighters make progress. One firefighter suffered minor and superficial injuries and is expected to recover. “Growth is moderating. We're taking advantage of lower temperatures today to make some progress,” said San Bernardino Fire Department Capt. Eric Sherwin. “We're hoping to have some containment numbers by sunset.” More than 500 firefighters are battling the blaze, including crews from L.A. County, San Bernardino County and the U.S. Forest Service. Several outbuildings and structures have been damaged or destroyed. Evacuation orders remain in place for areas near East Avenue Z and Fort Tejon Road, and parts of Wrightwood are under an evacuation warning. The Red Cross has opened a shelter for evacuees and their pets at the Antelope Valley YMCA on 10th Street in Lancaster. A small animal shelter is also available at the Los Angeles County Animal Care Center - Palmdale. Officials warn that the potential for rapid fire growth with erratic fire behavior remains high heading into Sunday.
As of July 15, 2026, firefighters in Los Angeles warn that dry vegetation, strong winds and high temperatures have elevated the threat for wildfires in Southern California, according to a report by Willie Gillespie of the Los Angeles Times. The combination of these factors continues to create dangerous conditions across the region.
California is experiencing an elevated fire risk driven by a dangerous, widespread heat wave across the southern and central parts of the state. Valley temperatures have soared into the triple digits, exacerbating already low dead-fuel moisture levels and causing live fuels at lower elevations to cure rapidly. These conditions have created a highly vulnerable environment for new ignitions. Fire agencies are actively managing multiple significant incidents and have pre-deployed additional task forces to mitigate the threat of rapidly spreading fires.
According to CAL FIRE's latest statistics, there have been over 3,400 wildfires this year, burning more than 102,000 acres. High grass fuel loads, drying coastal grasses, and vulnerable high-elevation timber are serving as the primary carriers for these fires. Firefighters are working aggressively to establish containment lines on existing fires while aggressively attacking new starts driven by the extreme heat.
Key active fires include the Elephant Fire in Sierra County, which started on July 11, 2026, and is currently the largest active incident at 13,016 acres with 31% containment, fueled by high-elevation timber and heavy brush. The Summit Fire in Los Angeles County, which ignited on July 10, 2026, has burned 2,690 acres and is now 86% contained, with crews focused on mop-up and reinforcing containment lines. The Thorn Fire in San Diego County started on July 15, 2026, near Buckthorn Trail and has quickly burned over 750 acres with 0% containment, fueled by extremely dry coastal brush and grass, forcing the closure of Interstate 8 in both directions and triggering multiple evacuation orders. The Pointe Fire ignited on the afternoon of July 15, 2026, in Santa Clarita (Los Angeles County), burning on a hillside near homes and businesses, prompting a second-alarm response and immediate evacuation warnings.
California's multi-agency wildfire task force is continuing its "treat the worst first" five-year action plan. Beneficial fire use has nearly doubled across the state, rising to roughly 200,000 acres treated annually. Recent data shows that 83% of the state's forest and wildland treatments—including mechanical thinning and prescribed cultural burns—have been strategically focused on areas with high severe wildfire potential and wildland-urban interfaces to protect communities.
Smoke from active wildfires, particularly the Summit, Thorn, and Elephant fires, is impacting regional air quality. Residents in affected areas, particularly those downwind of active incidents, should monitor local air quality indices, keep windows closed, and limit outdoor physical activities.
A dangerous heat wave is peaking across Southern California, with valley temperatures reaching between 100 and 106 degrees. Warm overnight lows in the high 60s and 70s are preventing adequate humidity recovery, prolonging heat stress on the environment and allowing fires to remain highly active overnight. The National Weather Service has issued a Red Flag Warning for Los Angeles County's Interstate 5 corridor and the Ventura County mountains extending through the next 24 to 48 hours, citing the dangerous combination of strong winds and hot temperatures. Additionally, an extreme heat warning is in effect for the Santa Barbara south coast and mountains, where "sundowner" winds are expected to gust between 35 and 50 mph. These winds blow down the mountain slopes, rapidly warming and drying the air, which can drastically increase fire behavior.
Residents are advised to stay hydrated, remain indoors with air conditioning during the hottest parts of the day, and be highly mindful of fire equipment traffic on roadways. Those living in or near evacuation warning zones should have an emergency "go-bag" prepared, clear dead brush from their properties, and be ready to evacuate immediately if orders are given. In response to the widespread Red Flag Warnings and extreme heat, agencies including the Los Angeles County and Santa Barbara County Fire Departments have significantly upstaffed. Dozens of additional fire engines, hand crews, strike teams, water tenders, helicopters, bulldozers, and dispatchers have been pre-deployed to high-risk areas to ensure a rapid response to any new ignitions.
California has a long history of catastrophic wildfires, often exacerbated by Santa Ana or Diablo winds. Recent years have seen record-breaking fire seasons, with millions of acres burned. Climate models project that both drought and extreme precipitation events will become more frequent, increasing the need for community preparedness.
Residents should stay informed about local weather alerts, avoid outdoor burning, and have an evacuation plan ready. As Dr. Cook notes, communities must adapt to these changing conditions to reduce risk.
