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Posted at 03:42 PM ET, 10/11/2012

Freeze watch north and west of Washington, D.C. Friday night


Areas under a freeze watch are colored in blue (National Weather Service)
Cold high pressure settles over the mid-Atlantic Friday night, setting the stage for widespread freezing conditions in Washington, D.C.’s colder north and west suburbs.

Montgomery and Loudoun counties and counties to their north and west are included in the freeze watch, effective late Friday night through Saturday morning. Temperatures are expected to dip into the upper 20s and lower 30s.

“Unprotected vegetation sensitive to freezing temperatures will be at risk” the National Weather Service cautions.


The GFS model simulates subfreezing temperatures in the moderate and deep shades of blue at 5 a.m. Saturday morning
Fairfax and Prince George’s counties are not included in the Freeze Watch, but some of the colder locations in these counties may flirt with freezing temperatures and experience frost.

In the District and to the southeast, a frost or freeze is not likely, with low temperatures mainly in the upper 30s to near 40 early Saturday.

In terms of the areas most at risk for freezing temperatures, I’d draw a line from Columbia to Rockville to Sterling. Locations to the north and west of that line are most likely to experience freezing temperatures.

By  |  03:42 PM ET, 10/11/2012

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