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Posted at 5:00 AM ET, 01/26/2010

Forecast: Back to normal January weather

By Matt Rogers

But all eyes on late week snow threat

* Latest on snow threat: SLCB | A snowy surprise 10 years ago *
* Outside now? Radar, temps & more: Weather Wall | Traffic *

Today's Daily Digit
 
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
 
4It's dry, but colder weather and breezy conditions remind us we're still in winter.
 
Get tomorrow's 'Digit' on Twitter tonight

EXPRESS FORECAST

Today: Partly cloudy and breezy. 44-48. | Tonight: Mostly clear and colder. 24-30. | Tomorrow: More sunshine. 40-45. | A Look Ahead | Get Express Forecast by E-mail

FORECAST IN DETAIL

Wow, the high of 68 degrees at National Airport yesterday was quite a nice diversion from our winter weather. Although it did not break any records (75 was the record in 1950), it was easily the warmest day of January 2010. But our springtime appetizer has departed and we'll be back to "normal" over the next few days with 40s for highs and lows down toward the 20s again. Winter may return in a big way by Friday and the weekend as a potential winter storm takes shape.

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 (Tuesday): An upper level disturbance is following last night's cold front so it will ensure cloud cover at times today with colder temperatures. There is even a 20% chance of a passing shower. Highs should range through mid-to-upper 40s (depending on cloud cover) with winds 10-20 mph making temperatures feel like the 30s at times during the afternoon. Confidence: Medium

Tonight: Some clearing is expected with lows heading down toward the 20s (in the cooler suburbs) to around 30. Winds should diminish to about 5 mph or so. Confidence: Medium-High

Keep reading for the forecast through the weekend....

tysons_sky_web.jpg
Threatening skies over Tyson's Corner yesterday. By CWG photographer Kevin Ambrose.

Tomorrow (Wednesday): Sunshine should make more of a comeback on Wednesday, especially in the morning to midday hours. Partly cloudy skies could return in the afternoon. Highs should be in the to mid-40s. Confidence: Medium-High

Tomorrow Night: Partly cloudy skies with seasonably cold lows ranging through the 20s. Confidence: Medium-High

A LOOK AHEAD

Thursday sees the arrival of a cold front by later in the day and an increase in high clouds. A brief period of warming winds should push temperatures a bit higher with mid-to-upper 40s. Do not be surprised to see a 50-degree high sneak into the District. Confidence: Medium

Thursday night is when the cold front should move through and we may see a 30% chance of showers (rain or snow). Lows should dip down into the mid-to-upper 20s. Confidence: Medium

Friday, as the cold front stalls to our south, moisture should begin to ride up and along it ahead of a storm system that could be a coastal storm by Saturday. As a result, we are looking at a 40% chance of snow. Highs should be in the low 30s. Confidence: Low-Medium

The weekend looks unsettled in the first half. Low pressure may edge closer to the area Friday night and Saturday, increasing snow chances to 60% during this time period. Increasing model consistency on the expected forecast track is building confidence on this overall scenario, but that does not yet apply to specific accumulations. Some light snow could linger Saturday night or even early Sunday morning (30% chance). Partly cloudy skies and cold conditions should continue for Sunday. Look for highs in the upper 20s to low 30s on Saturday with 30s for Sunday. Lows should be in the 20s. Confidence: Low

By Matt Rogers  | January 26, 2010; 5:00 AM ET
Categories:  Forecasts  
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Next: Late-week snow potential grows

Comments

34 degrees and cloudy at 8:15. Snowshowers in mts. 15 miles west.

Late week looks quite interesting with the threat of a Major Snowstorm.

GFS has been consistent last 24 hrs. giving much of the region more than a foot of snow. 00z EURO is somewhat suppressed but HPC is throwing out. 06z DGEX gives 10-12 inches.

High snow/liquid ratios because of very cold temp. profiles.

Will be interesting.

Posted by: AugustaJim | January 26, 2010 8:37 AM | Report abuse

DCA needs 12.4 more inches to make it to 30" for season. Bring it on! Then we'll see if we can make 40" for the season.

Posted by: JerryFloyd1 | January 26, 2010 4:52 PM | Report abuse

We're driving down to Atlanta on Friday. Would it be better to leave earlier than later? Should we be concerned about running into anything too nasty? Thanks and keep up the good work :)

Posted by: pmhesse | January 26, 2010 8:43 PM | Report abuse

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