Heat Wave Conditions in Waltham

Tuesday marked the start of a possible heat wave in Waltham.

Temperatures may hit close to 90 degrees by this afternoon. It will hit at least 90 again Wednesday and Thursday.

This is the latest forecast, according to the National Weather Service:

• Tuesday: Scattered showers after 3 p.m. Partly sunny with high near 89.
• Wednesday: Mostly sunny with high near 94.
• Thursday: Slight chance of showers, but mostly sunny with a high of 91.

The high temperatures will likely last through the weekend.

Here’s the extended Waltham forecast here>>