Temperatures are expected to plummet into the single digits Monday night after a snowfall to start the week.
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The weather will remain cold for most of the week. As happened earlier this month, this latest cold snap comes from disruptions in the polar vortex, the ring of cold air that normally traps the Arctic.
Monday – Martin Luther King Jr. Day – will be sunny but cold and windy, with highs in the mid-20s and overnight lows around 7 degrees. Wind chills can make nighttime temperatures feel like minus five degrees.
The cold affected some high-profile events.
Organizers of Monday's Martin Luther King Day parade announced the event will be canceled for the second year in a row ahead of heavy snow and freezing temperatures.
President-elect Donald Trump's inauguration ceremony on Monday was also moved indoors amid forecasts of extremely cold weather. Washington is expected to have sunny skies on Monday, with a high near 24 degrees and a westerly wind of 16 to 18 mph, with gusts as high as 33 mph.
The high temperature in Baltimore on Tuesday will be 20 degrees, the low temperature in the evening will be around 10 degrees, and there is a 30% chance of snow.
The weather is expected to be sunny on Wednesday, with highs in the teens and lows of just 5 degrees.
The weather will be slightly warmer on Thursday, with highs around 20 degrees and lows around 12 degrees.
This slight warming trend is expected to continue on Friday, when high temperatures will reach the mid-30s and lows will reach the mid-10s.
The Mayor's Office of Homeless Services has extended the purple winter shelter opening hours to 9 a.m. Thursday. The number of days in which the institute’s operating hours are activated.
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