"When temperatures are high, even a few hours of exertion may cause severe dehydration, heat cramps, heat exhaustion and heat stroke", said Jeffrey Gunzenhauser, interim health officer of LA County. Additionally, a heat advisory is in effect for the Pomona area, San Fernando Valley and Santa Clarita Valley from Monday to Tuesday, and for the San Gabriel Valley for Tuesday.
Daily record highs will be within reach: 115 degrees for Sunday, 118 degrees for Monday and 116 degrees for Tuesday.
Heat index values are expected to reach between 100 and 105 degrees Friday in parts of eastern Oklahoma. PRECAUTIONARY/PREPAREDNESS ACTIONS.An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur.
NorCal residents are advised to drink lots of water, wear light-colored clothing and avoid strenuous activities between 10 a.m. -6 p.m. Thermal belt areas in the foothills only cooling into the mid 70s to lower 80s for nighttime lows.* IMPACTS.Long outdoor exposure will increase chances for heat related illness, especially for sensitive groups and people without access to AC.
NWS forecasters blamed the high heat on strong high pressure over Western States and said it would cause temperatures to be 12-18 degrees above normal this weekend, with the Antelope Valley boasting the warmest temperatures.
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.
In addition, pets may need extra care in coming days, the Weather Service said. "Extreme heat such as this is not just an inconvenience, it can be unsafe and even deadly, but we can protect ourselves, our families, and our neighbors if we take steps to remain cool and hydrated".