Temperatures and the humidity increase in a big way for the rest of this week. With the highest of heat and humidity will come storm chances. The humidity builds in today with a lot of sunshine. Highs ...

MINNESOTA, USA — Yesterday, the heat index reached 108 degrees in the Twin Cities. Today, it is still hot, but the heat index is forecast to peak closer to 100 degrees. A Heat Advisory is in effect ...

DENVER — Colorado continues to battle multiple wildfires across the state, while additional fires in neighboring states are contributing to widespread smoke-filled skies and poor air quality. On ...

Extreme Heat Warnings are now in effect (replacing the Heat Advisories) through Thursday. Heat Index values could hit 110° across Central Ohio. Weather Impact Alerts remain in place through Friday.

Monday's high was 10 degrees below average. Highs Tuesday will be closer to normal, but still a bit below. Each of the following three days will be warmer than the previous one, and this buildup will ...