A weeklong heat wave in the West smashed over 50 all-time temperature records. See some of the most notable ones, including 124 degrees in Palm Springs.

Map shows areas under heat alerts on Thursday, June 26. / Credit: CBS News Here's what to know about the heat wave and how to stay safe. Heat wave forecast maps ...

Over the weekend, widespread highs in the mid-90s to around 100 — some 10 to 20 degrees above normal — will spread across the southern Plains, South and Midwest.

A late-summer heat wave was bringing above-normal temperatures to the Bay Area and Northern California beginning Tuesday, prompting a heat advisory from the National Weather Service.

By 2 p.m., the quiet was over, with a new tropical wave showing up on the NHC outlook map. Several other tropical waves were mentioned by forecasters but don't appear on the outlook map.

Map shows areas under heat alerts on Thursday, June 26. / Credit: CBS News Here's what to know about the heat wave and how to stay safe. Heat wave forecast maps ...