At the least 37 million individuals are beneath warmth alerts on Sunday as a harmful multi-day October heat wave continues throughout practically all of California.
Temperatures are anticipated to soar 20 levels above regular for this time of yr, into the 90s and 100s, from the San Francisco Bay Space to the Mexico border.
Folks flock to Baker Seashore close to the Golden Gate Bridge as a warmth advisory is issued in San Francisco, California, October 3, 2026.
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In some areas of California, particularly city areas, heat nights will present little to no reduction.

Warmth advisories and excessive warmth warnings have been issued, October 4, 2026, for practically all of California as a harmful multi-day warmth wave continues.
ABC Information
Warmth alerts, advisories and extreme warmth warnings are in impact for a lot of the Golden State.
An extreme warmth warning has been issued throughout Southern California, together with for the cities of Los Angeles, Riverside and Temecula, the place highs are anticipated to be within the triple digits on Sunday. San Diego, additionally beneath an extreme warmth warning, is predicted to see temperatures attain the higher 90s.

Afternoon temperatures, October 4, 2026, are anticipated to high 100 levels in a number of Southern California cities.
ABC Information
The intense warmth warnings in Southern California will stay in impact till 8 p.m. native time on Thursday.
Over the subsequent few days, the new climate is forecast to develop east throughout the Nice Basin, with excessive temperatures anticipated to be within the 80s and close to 90s.

A harmful warmth wave in Southern California is predicted to increase into the work week.
ABC Information
On Saturday, no less than eight Southern California cities broke each day high-temperature marks, together with Anaheim and San Diego, which each reached 105 levels, and Santa Ana, which hit 107 levels.
In the meantime, Vista, Calif., north of San Diego, reached a excessive temperature of 108, breaking a each day temperature report and tying an all-time report excessive set on June 30, 1985.
Rounds of heavy rain throughout elements of the Gulf Coast and Southeast
Elements of the Gulf Coast and Southeast are going through extra unsettled climate on Sunday, as a number of rounds of heavy rain and thunderstorms transfer by way of the world.
A flood watch is in impact on Sunday from elements of Louisiana to Florida and Georgia.

Flash-flood threat by way of Monday, October 5, 2026, within the Southeast from New Orleans to Jacksonville, Florida.
ABC Information
On Sunday, there’s a stage 2 of 4 threat for extreme rainfall and flash flooding stretching from New Orleans into the Carolinas.

Monitoring rainfall within the Southeast from New Orleans to Jacksonville, Florida, by way of Monday morning.
ABC Information
The largest rainfall totals will happen alongside parts of the Gulf Coast and the Florida panhandle, from Cell, Ala., and Biloxi, Miss., to Pensacola and Panama Metropolis, Fla. In these areas, 2 to six inches of rain is forecast, with localized totals of 8-10 inches potential.
Alongside the Texas coast, there’s a stage 3 of 4 “important” threat of extreme rainfall and flash flooding alongside the decrease Texas coast on Sunday. Rainfall charges of 1 to 2 inches per hour are potential.
