LAKE COUNTY, Calif. — The National Weather Service has issued a heat advisory due to high temperatures over the century mark over the next several days.

The advisory will be in effect from 11 a.m. Thursday to 11 p.m. Saturday. 

Along with Lake County, Trinity and parts of Humboldt and Mendocino counties are included in the advisory.

Temperatures could be the hottest in Clearlake, where forecasters predict it could reach 102 degrees on Thursday, 104 degrees on Friday and 103 degrees on Saturday.

Nighttime temperatures are expected to hover in the low 70s, according to the forecast.

Lake County residents are urged to take extra precautions when outside, to limit strenuous activities to early morning, and schedule frequent rest breaks in shaded or air conditioned
environments during outdoor work to avoid heat-related illness.

By Sunday, temperatures are expected to begin to decrease, reaching the 80s by the middle of next week. 

Email Elizabeth Larson at This email address is being protected from spambots. You need JavaScript enabled to view it.. Follow her on Twitter, @ERLarson, and on Bluesky, @erlarson.bsky.social. Find Lake County News on the following platforms: Facebook, @LakeCoNews; X, @LakeCoNews; Threads, @lakeconews, and on Bluesky, @lakeconews.bsky.social.