City health officials issued a red extreme heat alert Sunday, with triple-digit temperatures and heat warnings expected in the Baltimore area this week, according to the National Weather Service.
The Baltimore City Health Department's Code Red goes into effect Wednesday, requiring residents to take precautions to stay cool and setting up cooling centers across the city.
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The temperature at BWI Marshall Airport reached 102 degrees Monday afternoon, tying the previous record set on June 15, 1995.
Hot and sunny weather will continue into Tuesday, with a high of 102 and a heat index of 110 expected.
Tuesday night, there is a 40% chance of rain, with a small chance of thundershowers before 8 p.m., with a low of about 77 degrees.
A 70 percent chance of rain is expected Wednesday, with an afternoon high around 97 degrees and a heat index of around 106.
Showers are still possible on Wednesday night, with the weather turning cloudy, with a minimum temperature of 74 degrees, and the chance of rainfall remaining at 70%.
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The heat index is a measure of how hot it actually feels when relative humidity is combined with actual air temperature, according to the National Weather Service website.
Cooler weather is expected on Thursday and Friday, with afternoon highs in the upper 80s.
Baltimore Sun reporter Tony Roberts contributed to this article.
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