On Monday at 1:52 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

The extreme heat warning for northwest Oregon has been extended into Aug. 12 due to temperatures that will continue to ...

An extreme heat warning for Portland is issued by NWS, expecting temperatures up to 105 degrees. The public is advised to ...

A multi-day heat event is set to continue in southern Ontario until Tuesday, and may stick around until Wednesday in some ...

An Extreme Heat Warning remains in effect for central and southwestern Arizona through 8 p.m. Tuesday. For the Grand Canyon ...

On Sunday at 10:42 p.m. the NWS Hanford CA released an updated extreme heat warning in effect until Tuesday at 5 a.m. The ...

Metro Vancouverites will likely only face one more uncomfortable sleep during one of the season's few heat warnings. An ...

An extreme heat warning was in effect in the arid eastern reaches of the San Diego area, alerting the public to unhealthy ...

At 1:40 a.m. on Monday, the NWS Las Vegas NV released an updated extreme heat warning valid from 10 a.m. until Tuesday 8 p.m.

Southern California's prolonged heat wave is finally forecast to let up by Wednesday, but elevated temperatures will continue ...

A heat warning is in effect for parts of southern B.C. through to Tuesday (Aug. 12), with temperatures reaching up to 35 C in ...