Rising temperatures could keep more flights from taking off on time
Air travelers brace for delays during severe storms, but extreme summer heat can trigger hidden disruptions that are far less visible and harder to predict.
Air travelers brace for delays during severe storms, but extreme summer heat can trigger hidden disruptions that are far less visible and harder to predict.
El Niño continues to strengthen toward record territory two months into the Atlantic hurricane season
Multiple tropical waves are currently moving off the African coast into the Main Development Region of the Atlantic, but hostile winds, Saharan dust and ocean temperatures will determine whether any development actually happens.
Multiple tropical waves are currently moving off the African coast into the Main Development Region of the Atlantic, but hostile winds, Saharan dust and ocean temperatures will determine whether any development actually happens.
Tropical Storm Bertha enters Texas as rains spread along Gulf Coast, downgraded to remnants only
Tropical Storm Bertha entered Texas on Thursday afternoon as rain spread across the Gulf Coast and has since been downgraded to remnants only.
Tropical Storm Bertha entered Texas on Thursday afternoon as rain spread across the Gulf Coast and has since been downgraded to remnants only.
There are now more ‘mosquito disease days’ in 95% of major US cities: See the map
Climate change is lengthening mosquito season across much of the U.S., giving disease-carrying mosquitoes more time to spread illnesses. A new analysis reveals which cities are seeing the biggest increases.
Climate change is lengthening mosquito season across much of the U.S., giving disease-carrying mosquitoes more time to spread illnesses. A new analysis reveals which cities are seeing the biggest increases.
Tropical Storm Bertha moves across northern Gulf toward Texas
AN UPDATED VERSION OF THIS STORY HAS BEEN MOVED HERE.
AN UPDATED VERSION OF THIS STORY HAS BEEN MOVED HERE.
Texas Hill Country recovers from flooding that killed 2 as heavy rain continues elsewhere
A long recovery begins after historic South Central Texas rains trigger widespread Texas Hill Country flooding, leaving two dead in Kerr and Uvalde counties.
A long recovery begins after historic South Central Texas rains trigger widespread Texas Hill Country flooding, leaving two dead in Kerr and Uvalde counties.
'More water than last year’s flood': Texas Hill Country dealing with another devastating flood
A 65-year-old man died after historic Texas Hill Country flash flooding triggered rescues and evacuations across Kerr, Uvalde, and Kendall counties following more than 28 inches of rain.
A 65-year-old man died after historic Texas Hill Country flash flooding triggered rescues and evacuations across Kerr, Uvalde, and Kendall counties following more than 28 inches of rain.
Hotter nights are costing you sleep: Here's how much
Hotter nights are making it harder for people around the world to get a good night's sleep. A new analysis reveals which cities are impacted the most.
Hotter nights are making it harder for people around the world to get a good night's sleep. A new analysis reveals which cities are impacted the most.
Mill Valley faces first potential PG&E Safety power shutoff since 2019
A severe weather event could strike the fire-vulnerable town of Mill Valley tomorrow, threatening a public safety power shutoff large enough to disrupt electricity for mountainside residents on the shoulders of Mount Tamalpais.
A severe weather event could strike the fire-vulnerable town of Mill Valley tomorrow, threatening a public safety power shutoff large enough to disrupt electricity for mountainside residents on the shoulders of Mount Tamalpais.
Beating the heat at Alameda County Fair
The hot weather did not stop people from enjoying the day. KTVU's Zak Sos was at the Alameda County Fair in Pleasanton as visitors scrambled to stay cool.
The hot weather did not stop people from enjoying the day. KTVU's Zak Sos was at the Alameda County Fair in Pleasanton as visitors scrambled to stay cool.
Dry lightning threat returns to Bay Area?
The Bay Area could be watching the sky closely late Sunday into Monday as monsoon moisture pushes north into California.
The Bay Area could be watching the sky closely late Sunday into Monday as monsoon moisture pushes north into California.
Victim ID'd in deadly lightning strike at Florida beach that killed 1, hurt 3 others
A man died after being struck by lightning while in the water at Fort Myers Beach, according to authorities. The incident also sent three family members to the hospital.
A man died after being struck by lightning while in the water at Fort Myers Beach, according to authorities. The incident also sent three family members to the hospital.
Lake Geneva boat capsized, 3 children dead after storm hits area
Three children died on Geneva Lake after a boat overturned during severe weather that caused "massive damage" across Walworth County on Friday.
Three children died on Geneva Lake after a boat overturned during severe weather that caused "massive damage" across Walworth County on Friday.
France-Paraguay set to be hottest World Cup match yet
Weather forecasters predict this weekend’s World Cup knockout round clash between France and Paraguay in Philadelphia could be the hottest match of the 2026 tournament so far.
Weather forecasters predict this weekend’s World Cup knockout round clash between France and Paraguay in Philadelphia could be the hottest match of the 2026 tournament so far.
Paris deputy mayor blames the United States' carbon emissions for deadly heat wave
Paris Deputy Mayor Audrey Pulvar released a lengthy statement blaming the United States for the deadly heat wave over France this past week.
Paris Deputy Mayor Audrey Pulvar released a lengthy statement blaming the United States for the deadly heat wave over France this past week.
World Cup fans brace for weather phenomenon known as 'heat dome'
A threatening heat dome will engulf the central and eastern U.S. this week with heat index temperatures — which combine air temperature with humidity — soaring into the triple-digits in some areas.
A threatening heat dome will engulf the central and eastern U.S. this week with heat index temperatures — which combine air temperature with humidity — soaring into the triple-digits in some areas.
Europe record heatwave turns deadly after 40 drownings reported in France
A record-breaking heatwave that is sweeping across Europe has killed 40 people in France so far, according to French Prime Minister Sébastien Lecornu.
A record-breaking heatwave that is sweeping across Europe has killed 40 people in France so far, according to French Prime Minister Sébastien Lecornu.
Tropical Storm Arthur makes landfall on Texas coast
Tropical Storm Arthur has made landfall on the Texas coast just hours after it formed.
Tropical Storm Arthur has made landfall on the Texas coast just hours after it formed.
Americans expected to pay more to cool homes this summer, new research finds
Staying cool this summer is about to become an expensive necessity for Americans with residential cooling expenses soaring for the average family to use their air conditioning units, according to a new report.
Staying cool this summer is about to become an expensive necessity for Americans with residential cooling expenses soaring for the average family to use their air conditioning units, according to a new report.
Bay Area's 1st red flag warning since 2024 goes into effect as temperatures reach triple digits
A red-flag warning, the Bay Area's first since late 2024, goes into effect late this evening through 9 a.m. Thursday. Parts of the Bay Area could see power shutoffs to due to increased fire danger.
A red-flag warning, the Bay Area's first since late 2024, goes into effect late this evening through 9 a.m. Thursday. Parts of the Bay Area could see power shutoffs to due to increased fire danger.