The SI Weather
17Jan/13Thu

7:00 AM | Possible accumulating snow later today from a “southern storm”

6-Day Forecast

Today

Cloudy, chilly, rain will develop during the late morning hours and then it will change to snow this afternoon, highs in the mid 40's during the morning hours, but dropping quickly this afternoon

Tonight

Cloudy and cold this evening with the chance for snow, gradual clearing late, possible snow accumulations of 1-3 inches with the higher amounts south of the District
lows in the mid 20’s

Friday

Becoming mostly sunny, breezy, quite cold, mid 30’s

Friday Night

Partly cloudy, very cold, mid 20’s

Saturday

Mostly sunny, not as cold, mid 40’s

Sunday

Mostly sunny, chilly, low-to-mid 40’s

Monday

Partly sunny, breezy, much colder, low-to-mid 30’s

Tuesday

Partly sunny, breezy, very cold, near 30

Discussion

Yet another low pressure system to our south will affect the region today at the same time colder air is pouring in from the northwest. As a result, precipitation is likely to begin later this morning in the form of rain, but then as the colder air moves in, that rain will change to snow. Snow likely continues late this afternoon and early tonight with possible accumulations by the end of the storm be on the order of 1-3 inches (the higher amounts to the south of the District). Even more significant snow will fall farther to the south across central and southern Virginia and northern North Carolina. Quite cold air follows the storm on Friday, but that air mass will quickly modify this weekend before the coldest air so far this winter season moves in during the early and middle parts of next week.

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