Extreme heat warning issued by NWS for the Pacific Northwest, including Portland, with temps up to 105°F expected.

On Sunday at 1:11 p.m. the National Weather Service released an extreme heat warning in effect until Tuesday at 10 p.m. for ...

On Sunday at 1:11 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

Daytime cooling shelters are opening up across the Portland and Vancouver metro areas as the heat is expected to rise to ...

In June and July, Philadelphia had 29 days where the highest dew point simmered to at least 75 degrees. Meteorologists say that's more than uncomfortable.