July 27. It’s not “like a heat wave,” as Martha and the Vandellas sang in 1963, it *is a heat wave. Look for highs in the upper 90s through Wednesday with dangerous heat indices. Heat advisories in effect today and Tuesday.

Monday: 30 percent chance of showers after 5 pm, high 97-98.

Tuesday: Sunny, high 95.

Wednesday: Ditto, but chance of showers after 2.

Thursday: High near 93, afternoon showers.

Our weather forecast comes from the National Weather Service.