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Is This Really December?!

Josh Larson @ 7:00 AM

With Arctic air bottled up over Canada and southwesterly flow aloft over much of the eastern US, we'll experience temperatures 10-15 degrees above average over the next five days and 5-10 degrees above average for next week. Luckily, mostly sunny and generally dry conditions will also dominate (at least until the latter part of next week).


Forecast Confidence: HighQuite pleasant. Though we'll have areas of dense fog to start the day, expect mostly sunny skies to develop by late morning and prevail through the remainder of the day. High temperatures will range from 60-65 with light south winds. Mostly clear overnight with lows from the upper 30s to the low 40s.


Forecast Confidence: Medium-HighCarbon copy of today? In sharp contrast to last Friday's bitterly cold conditions, we'll look for mostly sunny skies on Friday with highs near 65 and overnight lows in the upper 30s to the low 40s. (High temperatures will be some 30 degrees warmer than last Friday!)

The Weekend

Forecast Confidence: High-Very HighMore of the same. If you like today and tomorrow's weather, I see no reason you'll be disappointed with weather for the weekend. Saturday will serve up mostly sunny skies with high temperatures just a tick cooler -- in the mid to upper 50s for highs; overnight lows will range from 40-45. Sunday will feature a blend of clouds and sun with high temperatures back to near 65 with overnight lows staying steady in the low 40s.


Pattern Overview
Snow lovers and winter weather enthusiasts: relax, you'll get your turn. Mild weather aficionados: rejoice, but know that the warmth can't last forever. A big-time trough over the western third of the country during the upcoming period will allow for major southwesterly flow over the eastern US (and from reading my posts you know that that almost always translates to mild conditions for the East). Indeed, we'll see warm conditions to our area over the next 5 days and still-mild, but not quite-so-balmy weather holding on for the rest of the next work week.

Pictured above: a deep trough over the western US will allow for seriously mild temperatures for our area over through the first half of next week; courtesy

Next week's forecast
Forecast highs/lows: 55/39 (normal = 46/31)
Forecast precip: Near normal

Forecast Confidence: High-Very HighExpect record high temperatures on Monday with mostly sunny skies giving way to afternoon highs from 65-70 (the record high at DCA is 64); mild overnight with lows in the mid 40s. Continued mostly sunny on Tuesday but not quite as warm. Expect high temperatures near 60 and overnight lows near 40. Cooler still on Wednesday with mostly cloudy skies and highs near 50 with lows again near 40. Models indicate a chance of rain for our area from late Wednesday into early Friday. Thursday and Friday will therefore feature overcast skies and periodic showers, with highs in the low 50s and overnight lows in the mid 30s to low 40s.

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