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Posted at 5:00 AM ET, 12/28/2009

Forecast: Cold air re-establishes itself

By Jason Samenow

Watching possibility of late-week storm

Today's Daily Digit
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
4A biting chill is back...50 was nice while it lasted.
Get tomorrow's 'Digit' on Twitter tonight


Today: Mostly sunny and windy. 39-44. | Tonight: Windy and very cold. 20-25. | Tomorrow: Partly to mostly sunny. Cold. 31-35. | A Look Ahead | Get Express Forecast by E-mail


The reprieve from gloves, hats and scarves was nice while it lasted this past weekend. A fresh blast of cold air arrives today and will be reinforced at times through the week. However, it may not be cold enough to guarantee snow as the dominant precipitation type when the next storm system moves in New Year's Eve. At the moment, rain and/or sleet appear to be possibilities as well. The first weekend of 2010 should dry out, but looks very cold.

Temperatures: Current area temperatures. Powered by Weather Bonk. Map by Google. Hover over and click icons for more info. Click and hold on map to pan. Refresh page to update. See map bigger on our Weather Wall.

Today (Monday): Cold air spills back into the region and it will be windy. Temperatures won't rise much during the day despite partly sunny skies, probably touching around 40 in the early-to-mid afternoon, before dropping back into the 30s for the commute home. Winds will make it feel colder, blowing from the west and northwest at 15-20 mph with higher gusts. Confidence: Medium-High

Tonight: It will be very cold. Temperatures will tumble through the 30s, bottoming out from 20-25. Factoring in gusty winds from the northwest, it will feel like the low teens at times. Confidence: Medium-High

Keep reading for the forecast through the week...

Tomorrow (Tuesday): The heart of the week's first blast of cold air will be in over the region, making it tough for many spots to rise above freezing (31-34) despite a good deal of sunshine. It will also remain breezy (winds from the northwest at 10-20 mph), so it will feel even colder (in the 20s). Confidence: Medium-High

Tomorrow Night: Winds will finally die down some but it will be very cold under clear skies. Lows will range from the upper teens (in the colder suburbs) to the mid-20s downtown. Confidence: Medium-High


Relative to Tuesday, Wednesday won't be quite as cold and will have noticeably less wind. It will still be chilly though with highs in the mid-to-upper 30s under mostly sunny skies. Clouds increase overnight with a 30% chance of snow towards morning. Lows will be around 30. Confidence: Medium

Low pressure developing to the south brings a 40-50% chance of precipitation on New Year's Eve. The precipitation will probably begin as snow and may change to sleet and/or rain. The exact track and intensity of the storm -- which is uncertain -- will determine how much precipitation we get and the type. Highs should be in the mid-30s to around 40. Precipitation may (40% chance) continue overnight and would probably end as snow. Lows will be in the low 30s. Confidence: Low-Medium

There's a chance of snow showers or flurries for the first half of New Year's Day followed by variably cloudy skies. It will be cold, with temperatures steady in the low 30s with an increasing wind from the northwest. Blustery and very cold at night, with lows around 20. Confidence: Low-Medium

Variably cloudy, breezy and very cold over the weekend with a chance of scattered flurries. Highs should generally be in the low 30s and lows in the teens and low 20s. Confidence: Medium

By Jason Samenow  | December 28, 2009; 5:00 AM ET
Categories:  Forecasts  
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Next: Christmas Eve at Mount Vernon


well, the elves are gone, but i did indeed hoard a giant pile of snow. the rain/sun/warmth of the last few days have been brutal if you're a pile of snow. i plan to make something today. stay tuned.

Posted by: walter-in-fallschurch | December 28, 2009 8:25 AM | Report abuse

Maybe you can build a Redskins nativity scene, complete with an inept coach, Swiss cheese O-line and an inability to score points...I do have a feeling that this will be a busy winter for you Walter...

Posted by: DullesARC | December 28, 2009 8:36 AM | Report abuse

the 'skins are cleverly working to improve their draft position. in that light, last night was a roaring success.

Posted by: walter-in-fallschurch | December 28, 2009 8:43 AM | Report abuse

Could we have a weak, late storm instead?


Posted by: FairlingtonBlade | December 28, 2009 9:18 AM | Report abuse

Ha Ha on the Skins! They did us a big favor last night by making it really clear right away they weren't going to be competitive, so I got some early sleep.

Very interesting long-range maps, both for New Year's and beyond. I love an active pattern in the middle of winter. Can't wait to see if any of these "potentials" pan out into some snow around here.

Posted by: curtmccormick | December 28, 2009 10:31 AM | Report abuse

Which way is this storm coming? I need to get up north of New York (Connecticut) on Thursday, and am wondering if leaving early in the morning is the right thing to do, especially if its moving south to north again. (I have a 2 year old, so leaving early is kind of a pain.) But, if I'm just going to drive right into a snow storm coming from the west either way, then I'll think of an alternate plan.

Posted by: oldtimehockey | December 28, 2009 10:50 AM | Report abuse

Since I happen to believe you guys more than the TV weathermen, here's what I'd like to know. We're coming back to DC on Saturday, the 2nd, via ATL. Any chance we could get stuck in ATL because of this next storm coming in? Or is it too soon to tell? Thanks anyway and Happy New Year!

Posted by: Akabang | December 28, 2009 11:42 AM | Report abuse

What would you anticipate for Times Square on New Year's Eve? Will our rain/snow have made it to New York by then?

Posted by: dixiechick1 | December 28, 2009 11:51 AM | Report abuse


Still many details to be worked out for the potential storm later in the week, but yes it does look like the earlier on Thursday you plan to leave the better, since the heaviest of the precipitation would be coming from the south.

Posted by: CapitalWeatherGang | December 28, 2009 12:14 PM | Report abuse


Too soon to say for sure, but at this point the potential Thursday or Thursday/Friday storm doesn't appear it would be serious enough to keep you from getting back to D.C. on Saturday.

Posted by: CapitalWeatherGang | December 28, 2009 12:22 PM | Report abuse


Still time for things to change, but as of now the start time for precip in NYC looks to be (unfortunately!) sometime during the afternoon or evening of New Year's Eve.

Posted by: CapitalWeatherGang | December 28, 2009 12:29 PM | Report abuse

From your mouth to God's ear, CWG! Thanks!

Posted by: Akabang | December 28, 2009 12:30 PM | Report abuse

was just over at accuweather, expecting their typical exclamation points, hard hitting action verbs, and stock photos of cars covered with snow, but they've actually got us in a rain/mix for NYE

Posted by: TGT11 | December 28, 2009 12:35 PM | Report abuse

the gfs is having a very hard time with this storm, wait for the nam

Posted by: redskinsfan01 | December 28, 2009 12:51 PM | Report abuse

when today will the temp drop below 32 in falls church?

Posted by: walter-in-fallschurch | December 28, 2009 1:23 PM | Report abuse

One recent GFS post I just saw seems to have lots of snow for us Friday.

Posted by: Bombo47jea | December 28, 2009 1:23 PM | Report abuse

how is a plane landing at bwi around 4pm thursday look?

Posted by: joelangford | December 28, 2009 1:56 PM | Report abuse

My guess is that it looks about like a plane that is landing. ;-P

Posted by: santanaf | December 28, 2009 2:25 PM | Report abuse

:-D But santanaf, how does a BWI runway around 4 p.m. Thursday look?

Posted by: KBurchfiel | December 28, 2009 2:48 PM | Report abuse

I'm having a blast reading through the EasternUSWX threads about the DC area's Schroedinger's Storm later this week (it's a blizzard and it's a mild, sunny day at the same time). I've never seen so many grown men and women go through so many emotions in such a short time frame. Granted, I'm usually the same way, but not 4 days out. I guess this is what I have to look forward to when I can actually read a majority of the weather models/maps.

The one thing I like about living in Mobile 2/3 of the year is that there really isn't any gray area in the weather unless a hurricane is coming. You have 3 options: 1 thunderstorm today, 5 thunderstorms today, or blinding sun.

Oh...just as I was ready to post this, my Weatherbug went off. Most of the area (from PWC north, east and west) is under a Wind Advisory until 6PM.

Posted by: weatherdudeVA | December 28, 2009 2:54 PM | Report abuse

THE NWS thinks that this upcoming end of week storm is going to be a mixed event and will not really get cranked up until after it passes our latitude. What this means:

Mixed precip for the area Thursday and Friday morning followed by very windy conditions over the weekend with bitterly cold air. We will be talking more about the wind chill and the concerns for the elderly and homeless I believe and not a massive snowstorm for this area. NYC & Boston.....LOOOOOOKKKK OUUUTTTT!

Posted by: stinkerflat1 | December 28, 2009 3:12 PM | Report abuse

KBurchfiel, similar to a runway at 12 noon, just with a few more shadows, Badumbum. Thank you, I'll be here all week, the 2nd show is exactly the same as the first ;-)

Posted by: santanaf | December 28, 2009 4:05 PM | Report abuse

@weatherdudeVA -- are you in Mobile now? That's where we'll be until we come back on Saturday, the 2nd! That's why I wanted to know about this next storm and whether it'll still around for our trip back to DC. So don't want to get stuck in ATL.

Posted by: Akabang | December 28, 2009 4:13 PM | Report abuse

I have a hard time believing the Computer Models as far as temperatures are concerned for Thursday and Friday...if we get precip I really think it will be all snow west of 95.

In general, this storm has not even developed as 7:00 EST Monday, and frankly is very slow in developing at all.

I think the models are at least another day (or two) away from coming to any sort of agreement on temp, strength, and direction. Also think the "bomb" will happen around Hatteras, and not the Delmarva, as SOME models are depecting.

Posted by: kdvols1 | December 28, 2009 7:15 PM | Report abuse

I have two dozens photos of the snow in D.C. from the Stars and Stripes Newspaper and I rather like Washington that way.

So,more snow on Friday will add to whatever remains and allow for the illusion of a beautiful, soft, quiet city.

K Street movements will be held to a minimum, look at
the bright side.

Posted by: julia4 | December 28, 2009 8:22 PM | Report abuse

Oh man, Walter, just on a whim I checked your Flickr page. Santa sleeping is awesome! Even better than the elves!

Posted by: ChickenLady | December 28, 2009 9:25 PM | Report abuse

I have a 12:30 flight out of IAD on Thursday, so if this could either be just rain up to that point, or miss us altogether (even better) that would be just grand. However NOAA now has a 60% chance of snow, mostly before 1pm. Booooo!

Posted by: CapsChick | December 28, 2009 9:59 PM | Report abuse

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