Santa Ana Mountains/Foothills and Orange County are under an updated extreme heat watch which was released by the National Weather Service on Tuesday at 2:33 a.m. The watch is valid from Thursday

The National Weather Service issued an extreme heat watch at 1:35 p.m. on Wednesday valid from Friday 11 a.m. until Monday 5 a.m. for Cascade Foothills of Marion and Linn counties and Lane County Cascade Foothills.

At 12:08 p.m. on Thursday, the NWS Pendleton OR issued an extreme heat watch valid from Saturday noon until Wednesday 9 p.m. The watch is for Eastern Columbia River Gorge of Washington, Kittitas Valley,