The heat will peak Monday across the interior of California with numerous record highs being challenged.
Widespread triple-digit is set to bake California's Central Valley and deserts on Monday as a ridge of high pressure builds overhead.
For the Central Valley, the start to this week is yielding the highest temperatures so far this year.
Sacramento cracked the century mark on Sunday for the first time this year, topping out at 104 F. The city may accomplish this feat again on Monday, challenging the daily record of 102 F that was set in 1986.
Other communities in the Central Valley that will challenge record highs on Monday include Redding, Merced, Fresno and Bakersfield.
Despite temperatures soaring to near 110-degrees in the Lower Deserts, such as Palm Springs, record highs on Monday are closer to 115 F and should stand through this hot spell.
"If one is looking to cool down, take the drive to the coast, along with many thousands flocking to seek relief from the heat," stated AccuWeather.com Western Expert Meteorologist Ken Clark.
"The marine layer will keep these areas considerably cooler with mostly 60s and low 70s. Morning clouds will start the day and then clear to sunshine, but some of the beaches may only partially clear."
Fog dramatically reducing visibility may also become an issue at some beaches in the morning.
For those who cannot head to the beaches, be sure to stay safe as temperatures sizzle by drinking plenty of water, wearing light-colored clothing and avoiding strenuous activities during the late-morning and afternoon hours.
AccuWeather.com Staff Writer Katy Galimberti lists five quick and cheap ways to cope with summer heat.
Motorists should also remember to never leave children or pets in a vehicle with the windows up. A 15-month-old girl died just this past Wednesday after being left in an unattended car in Dolgeville, New York.
Monday will be warm in Downtown Los Angeles with temperatures rising to the lower 80s, but a lack of Santa Ana winds will prevent the record heat from mid-May from being repeated. Riverside and some other valley locations, however, will turn hot enough to challenge daily record highs.
Since Santa Ana winds will not be present, the fire danger will also not be as extreme. Care, though, should still be taken when dealing with sparks, campfires and cigarette butts across the interior due to the ongoing drought, heat and low humidity.
The heat across California will ease Tuesday through Wednesday as the ridge shifts eastward, bringing a brief surge of heat to more of the Southwest and then the southern Plains.
Matthew has become a hurricane in the Caribbean and may approach the U.S. during next week.
It will feel like an extended winter for those living from the northern Plains to the eastern U.S., as cold and snowy conditions last longer than normal.
Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday, while rain will spread over the balance of the northeastern United States into the weekend.
Millions of people across the U.S. could be exposed to drinking water contaminated with chemicals from firefighting foam, according to a recent study.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.
The holiday weekend will start on an unsettled note, but the weather should improve by Day of German Unity celebrations on Monday.
Reno, NV (1982)
Snow fell for the first time in 93 years in the month of September. Town received 1.5 inches the night before, surpassing the old record of 0.5 inches set back in 1889.
Violent thunderstorms along a cold front. 2-4 inches of rain and 60-mph winds in places. Lawrence, KS, had golf ball-sized hail and winds to 80 mph.
Orange Park, FL (1991)
A total of 8.00 inches of rain at Argyle, FL near Orange Park. Orange Park had 5 inches.