DC region under heat advisory, with heat index expected to punch as high as 105

A heat wave that was slightly interrupted by thunderstorms in parts of the D.C. region Saturday, returns Sunday.

A heat advisory has been issued for the region from noon to 8 p.m. as sweltering temperatures and high humidity continue. D.C. Mayor Muriel Bowser warns those temperatures can lead to heat-related illnesses, and is advising people stay hydrated and in the shade or in air-conditioned areas.

Find the closest cooling center to you online.

There are chances of thunderstorms on Sunday and Monday during the afternoon and evening hours, which could be severe. Heavy rain may cause flooding. Temperatures will be in the upper 80s to lower 90s, with a heat index as high as 105 Sunday.

Conditions on Monday and Tuesday will be more of the same. Expect the heat index to reach above 100 on both days.

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Full forecast

SATURDAY NIGHT: Chance of a shower or a thunderstorm, mainly before midnight. Areas of dense fog overnight. Muggy. Lows in the 70s to around 80 degrees.

SUNDAY: Partly sunny, warm and muggy. Thunderstorms likely in the afternoon and evening. Storms may be severe, and heavy rain may cause flooding. Highs in the upper 80s to lower 90s. Heat index as high as 105.

MONDAY: Mostly sunny, hot and humid. Highs in the low to mid-90s. Heat index as high as 105.

TUESDAY: Mostly sunny, hot and humid. Highs between 95 to 100. Heat index 105 to 110.

Current conditions

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