The Washington Post

D.C. area forecast: Afternoon/evening wet snow or mix; calm Christmas, then stormy

* Dense fog advisory through 9 a.m. *


Today: AM fog, then cloudy with showers. 50s. | Tonight: Showers, colder. 35-40. | Tomorrow: Chance of showers, cool. 40-45. | Get Express Forecast by E-mail

A daily assessment of the potential for *accumulating* snow for the next week on a 0-10 scale. More info


Today (Monday): Surprise, surprise. We awaken to more fog, which will be locally dense. Allow extra time for commuting. As a cold front closes in on the area, it should mix out the fog as the morning wears on, but it remains cloudy through the day with areas of rain showers (50-60 percent chance) - best chance during late afternoon. It’s relatively mild, with highs 53-58. Winds from the west at around 10-15 mph become out of the north during the afternoon. Rainfall totals are light, generally 0.10-0.15 inches or less. Confidence: Medium

Tonight: Rain is likely (70 percent chance) as low pressure rides up the cold front stalled just to our south. With a wind coming in from the north, it turns noticeably colder as well, with lows from the mid-30s to near 40. That’s not cold enough for frozen precipitation for most of us, but, in outlying north and west suburbs (upper Montgomery, western Loudoun and points noth and west) towards morning, some wet snowflakes or sleet could mix in with rain towards morning with no accumulation. Rainfall totals generally range from 0.15-0.4 inches. Confidence: Medium

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Tuesday): Rain showers are possible (30 percent chance) early in the morning, but we may see a break in the action for a while through the day. Another batch of rain may (30 percent chance) develop towards evening. Cloudy skies and a wind from the north keep it chilly, with highs only in the low 40s. Confidence: Low-Medium

Tomorrow night: Cloudy and cold with a 40 percent chance of light rain, or a mix of rain, sleet and wet snow in the outlying north and west suburbs. Lows range from 33-38. No accumulation of frozen precipitation is expected. Confidence: Low-Medium


There’s a chance of lingering light rain or mixed precipitation (colder suburbs) early Wednesday, followed by gradual drying and decreasing clouds. Highs are seasonal, from 40-45. Partial clearing and chilly Wednesday night, with lows 25-32 (suburbs-city). Confidence: Low-Medium

Mostly sunny Thursday though some high clouds may increase late, with highs 40-45. Cloudy Thursday night with a slight (20 percent) chance of light snow, mixed precipitation or rain. Lows range from 26-32. Confidence: Low

A disturbance passing to our south Friday probably means just cloudy skies but some light precipitation - possibly snow - could (20 to 30 percent chance) sneak into the region (especially the southern suburbs). Highs are near 40. Decreasing clouds Friday night with lows in the 20s to near 30. Confidence: Low

The weekend - farthest into the future - may, ironically, provide the easiest forecast of the week. Saturday’s partly to mostly sunny with near normal high temps in the 40s. Mostly clear Saturday night with lows in the 20s to near 30. On Sunday, we might see temps bump up to near 50 ahead of an arctic cold front which may blast into the region early next week. Confidence: Medium

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.


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