PM Update: Wind chill advisory overnight into the morning, and very cold Tuesday

* Wind chill advisory 1 a.m. to 10 a.m. overnight into Tuesday morning *

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

Highs this morning made the mid-40s to mid-50s. D.C. got all the way to 54! As you step out to go home, all signs of that are gone. Winds whipping out of the northwest are pumping in much colder air. We should all be as much as 20-30 degrees colder than our high as we get into the evening.

Through Tonight: Clouds are variable early, but generally we’re mostly cloudy overnight. That may keep temperatures from full cold potential, but it’s still going to be nasty. Lows range from about 5 to 15 most spots. Winds are sustained around 15 to 20 mph from the northwest, with higher gusts for much of the night, but tending to taper toward dawn. Wind chills in the -5 to -15 zone are possible from late evening through early morning.

Tomorrow (Tuesday): After a frigid start, clouds rule much of the day, but we might see some breaks as well from time to time. Highs struggle through the mid-teens toward 20, falling short in many places, but perhaps getting just above that mark in D.C. At least winds are considerably weaker than today, diminishing to around 5-10 mph from the northwest as we go.

See Jason Samenow’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.


Potomac ice on January 25. (John Sonderman via Flickr)

Tinderbox: As California continues to face mega drought, some places saw sprinkles this past weekend, and there’s a chance of rain ahead this week. Yet, this threat will — at most — barely scratch the huge and growing rainfall deficit. This year, only two traces of rainfall have been recorded at Los Angeles in what is typically one of the rainiest months of the season. Even a March miracle might not solve the problem this go around.

SchoolCast: Extreme cold may prompt some school systems to delay opening Tuesday…

D.C. schools:


1 apple, expect to report on time

Elsewhere:


1.5 apples: 50/50 chance of a delayed opening

Fiery sunset: Tonight’s sunset was another stunner…  Some examples from Twitter…

 

 

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.
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Ian Livingston · January 27