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Posted at 8:40 AM ET, 10/ 9/2009

Forecast: Breezy Warmth Today, Then Cooler

By Camden Walker

80s today; cooler and mostly dry through Columbus Day

* Army Ten-Miler Photos | Attack of the Autumn Allergies *
* Outside Now? Radar, Temps, Clouds & More: Weather Wall *


Today: Partly sunny and breezy. Slight chance of an a.m. shower. Low 80s. | Tonight: Partly to mostly cloudy and still breezy. 30% chance of showers. Low 60s. | Tomorrow: Mostly cloudy and breezy a.m. with a 20-30% chance of a shower. Increasing p.m. sun. 68-72. | Sunday: Partly sunny. Upper 60s to near 70. | A Look Ahead | Get Express Forecast by E-mail


Another cold front makes its way through the area tonight. Ahead of it, some gusty breezes from the south transport in warmer air today. Shower chances tonight and tomorrow morning (not too high, though) will mark the front's passage. Then it's cooler but with a decent amount of sun into early next week.

Radar: Latest regional radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Today (Friday): Partly sunny today with a slight chance of a morning shower. What you'll really notice are warm temperatures, even a touch of humidity, as highs pop into the low 80s across most of the region with some gusty breezes from the south. Confidence: Medium-High

Tonight: A cold front brings a 30% chance of showers for the late evening and overnight. Under partly to mostly cloudy skies, temperatures won't dip too far with lows in the low 60s. We'll remain breezy as winds out of the southwest eventually shift to come from the west and then northwest after the front passes late tonight. Confidence: Medium

Will breezes continue to blow through the weekend? Keep reading...

Tomorrow (Saturday): Mostly cloudy and breezy with a 20-30% chance of a shower in the morning, but with increasing sun and still-pleasant warmth in the afternoon. Highs will slowly head to near 70 or into the low 70s by mid-afternoon as skies clear. Breezes out of the northwest will still be a little annoying, unless you're planing to sail, but should diminish in the afternoon. Confidence: Medium-High

Tomorrow Night: After the sun sets, watch for temperatures to quickly feel chilly. On their way down to the low 50s downtown with 40s across the burbs. Skies should be partly cloudy. Confidence: Medium-High

Sunday: We've had our eye on an area of clouds and some showers expected to track to our south on Sunday -- and it continues to look like it will stay safely south of the area. So our forecast is for partly sunny skies, at least, but with cooler high temperatures in the upper 60s to near 70. Confidence: Medium


Partly cloudy Sunday night with lows around 50 downtown, upper 40s outside the Beltway. Confidence: Medium-High

Nice weather for anyone lucky enough to have Columbus Day off, with partly sunny skies and comfortable temperatures. Highs in the 60s will feel warmish in the sun and coolish in the shade. Certainly more autumn-like than today. Similar weather looks to last into Tuesday. Confidence: Medium

By Camden Walker  | October 9, 2009; 8:40 AM ET
Categories:  Forecasts  
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I have to say, part of me is happy to see no rain over the weekend, but we could really use a few drops...

Posted by: kridgely | October 9, 2009 8:02 AM | Report abuse

WGN weather update...The first big Arctic outbreak of the season is entering the U.S. via Montana. This could be a BAD OMEN for snow lovers.

When Arctic outbreaks enter the country near the Rocky Mountains, the centers of high pressure generally pass to our south. This brings a southwesterly flow of mild air over us on the back side of the high, and mild temperatures with little or no snow here. In an El Nino winter as we expect this year, we likely will get just a "plain old rain" event.

What Washington needs for big snowstorms are big cold Arctic highs centered near Quebec, Atlantic Canada, and New England which provide an abundance of northeasterly flow with a DEEP layer of cold air in place. If the air flow shifts to easterly or southeasterly, or cold air damming gives us only a SHALLOW layer of cold air, we get either a short period of snow changing to plain old cold soaking rain, ice pellets or freezing rain, changing to cold rain, or, in those rare cases of prolonged cold air damming, a crippling sleet or ice storm. Most often the ice or wintry mix changes to cold rain within a couple of hours, and the Federal Government does little more than grant delayed arrival/unscheduled leave. We probably need an expected eight-inch snow or a crippling ice event to provoke a Federal shutdown. Eight inches is the criterion Metro uses for above-ground rail shutdowns.

Posted by: Bombo47jea | October 9, 2009 2:22 PM | Report abuse

Get off of work early!! Besides the breeze, it is a lovely warm day. wow. The 80s have numbered days--will we see any more temps in the 80s before Spring? :-)

Posted by: Camden-CapitalWeatherGang | October 9, 2009 3:16 PM | Report abuse

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