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The cold sets in...

Jason Samenow @ 3:37 AM

Photo by Kevin AmbroseYesterday may have been the last day of above average temperatures we'll see in a while. The high was 49 at Reagan National, one degree above average (48). Today and tomorrow temperatures will be about 10 degrees colder than yesterday, and hence about 10 degrees below average. Night time lows will be quite cold -- generally in the 20s (low 20s suburbs, mid-high 20s in the city).

Late in the week, things get a little interesting. A coastal wave may form Friday and could spread precipitation into the region Friday night, possibly as snow. And another wave bears watching late in the weekend. Notice my excessive use of conditional language: may, could and possibly. That's because confidence in both scenarios is low. My confidence is higher, though, that we're moving into a cold and stormy pattern that should last at least through Christmas offering a number of chances for wintry precip. That's not a guarantee of accumulating snow between now and then and/or a White Christmas, but the odds have gone up...

Pictured: Partly cloudy skies with wind and widely scattered snow flurries occurred across the D.C. area yesterday. Photo Credit: Kevin Ambrose

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