Dangerous heat wave to scorch the Southwestern US

Dangerous heat wave to scorch the Southwestern US

According to the National Weather Service, a heat advisory is issued within 12 hours of the onset of extremely risky heat conditions.

The heat wave will kick off Friday, with the mercury climbing into the upper 80s in San Jose and into the mid 90s in Morgan Hill, Pi said.

Saturday's high is expected around 101 degrees, pushing up to around 107 by Sunday.

The National Weather Service warns that Northern California is in for an extended period of hot weather.

An excessive heat warning is in effect for the Coachella Valley and the San Gorgonio Pass zone, which includes the cities of Banning and Desert Hot Springs, will remain in until 9 p.m. Wednesday. The temperature Friday at the Nut Tree Airport in Vacaville is expected reach 100, followed Saturday by a high of 102, 105 Sunday and 102 Monday.

Friday's high is forecast around 98 degrees, with a north wind up to 13 miles per hour.

Inland cities in the East and North Bay are expected to hit 90-100 degrees, and "southern Salinas Valley and Pinnacles National Park are both expected to exceed 100 degrees", BCN reports.

He added it was critically important to never leave children, elderly people, or pets unattended in homes without air conditioning and particularly in vehicles, even if the windows are "cracked" or open, as temperatures inside can quickly rise to life-threatening levels.

Many regions of the state will be reaching temperatures in the triple digits.

The Weather Service is also cautioning that snow melt from the Sierra will make rivers extra cold, which could make swimming more risky.

Californias Heat Illness Prevention Standard requires employers to train workers on the signs and symptoms of heat illness, provide shade when temperatures exceed 80 degrees, develop emergency response procedures and train workers on how to execute those procedures when necessary.