Excessive Heat Warning, Chance Of Thunderstorms: La Mesa Labor Day Weekend Weather Forecast

LA MESA, CA – It's hot in Southern California – so hot an excessive heat warning is in effect through 10 p.m. Saturday in La Mesa. But how hot will it get Labor Day weekend?

Here's your weekend weather forecast for La Mesa, according to the National Weather Service.

Friday
Sunny, with a high near 104. Calm wind becoming southwest around 5 mph.

Friday Night
Mostly clear, with a low around 70. West wind around 5 mph becoming calm.

Saturday
Partly sunny, with a high near 97. Light southeast wind becoming east 5 to 10 mph in the afternoon.

Saturday Night
A 30 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm after midnight.

Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 66.

Labor Day
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 85.

Monday Night
Partly cloudy, with a low around 67.

What is an excessive heat warning?

An excessive heat warning means that a prolonged period of dangerously hot temperatures will occur.

Heat-related illnesses are likely due to a combination of hot temperatures and high humidity. People working or spending time outdoors, the elderly, children, and people not used to excessive heat will be most susceptible to heat-related illnesses, according to the National Weather Service.

Weather officials advised residents to drink plenty of fluids, stay in air conditioning, stay out of the sun and check in on relatives and neighbors. Officials also reminded residents to never leave kids or pets unattended in cars.