Triple-digit heat is expected to continue for a third day today in Yuba-Sutter as the National Weather Service is calling for a high near 100.
"Limit your outdoor activity, especially from 12 to 4 p.m.," said NWS forecaster Cindy Matthews.
Marysville set a new record high for June 9 when temperatures reached 106, topping the old record by one degree.
"It is amazing how fast the temperatures in a car can go up," said Matthews, while talking about the dangerous temperature levels. "Check twice to make sure your pets or kids aren't in the car when you get out."
Hunter Wickum, 16, and Cole Schwegerl, 15, friends from Yuba City, decided a good way to beat the heat Monday afternoon was to drop into the Yuba River from a rope swing attached to a train trestle in Beckwourth Riverfront Park.
"It's very peaceful out here, and the rope swing is great," Wickum said.
Schwegerl agreed and added the river was nice and cool.
Sunday reached a high of 105, falling five degrees short of the record, but a reprieve is on the horizon.
"A low-pressure system is going to come in beginning (today), cooling temperatures through Friday," Matthews said.
Temperatures are forecasted to be in the upper 80s both Thursday and Friday before climbing back into the 90s on Saturday.
Overnight lows are dropping as well from the mid-60s to the 50s for much of the week.
The Appeal-Democrat's Chris Kaufman contributed to this report.