Forecast: Sun today, stormy Wednesday
Small chance of some Saturday snow
FORECAST IN DETAIL
While your calendar does not say this quite yet, meteorologists consider today (Dec. 1) to be the first day of winter. And wow is winter starting off rocky. Today is the exception with sunshine and slightly warmer-than-normal high temperatures. But then the next few days will feature more rain, some brief mild weather, maybe some thunderstorms, and then the first notable cold push with a chance of some weekend snow. It's a mouthful, so let's try to go through the roller coaster step-by-step...
Today (Tuesday): Breezy conditions (winds from the west) with sunshine today should push temperatures up into the lower-to-mid 50s. This is shaping up to be the nicest day of the week. Confidence: High
Tonight: Clear skies and calming winds this evening should allow temperatures to drop off, but an increase in clouds after midnight could stabilize readings or even warm them some toward dawn. Look for lows ranging from around the freezing mark in the outer suburbs to near 40 downtown. Confidence: Medium
Keep reading for the forecast through the first weekend of meteorological winter...
Tomorrow (Wednesday): Cloudy skies will be back to dominate the D.C. scene along with morning shower chances (30%) and then likely mid-to-late afternoon rain (70%). Highs should cap out somewhere in the upper 40s to low 50s throughout the area. Confidence: Medium
Tomorrow Night: Wednesday afternoon temperatures are expected to hold steady into the evening hours, and the rains (90% likelihood) could get heavy at times with a chance of thunderstorms as well. Late at night, a surge of warmer air should push temperatures higher than Wednesday's highs (mid-to-upper 50s). Confidence: Low-Medium
Thursday should start off on the warm side with 50s and even some low 60s possible in the morning along with early-day showers and possible rumbles of thunder (chance of morning rain is still 80%, dropping to 40% by midday). Variable clouds and breezy conditions are expected by the afternoon with temperatures steady or slowly falling. Much colder Thursday night, with lows in the 30s and a gusty wind. Confidence: Low-Medium
Friday morning should see lows in the 30s with partly sunny skies during the day and highs in the mid-to-upper 40s. Clouds could start to increase again Friday evening or Friday night. Confidence: Low-Medium
The weekend is looking interesting for Saturday as there is an increasing suggestion of a coastal low pressure forming. By that point, we'll have our coldest air of the season (so far) along with our first chance of snow (just 30%). Refer to our Snow Lover's Crystal Ball for more commentary. Look for highs only in the 30s on Saturday and 40s on Sunday. Lows should range in the 20s to 30s. More sunshine is foreseen on Sunday, at least for now. Confidence: Low (especially on the snow!)
| December 1, 2009; 10:45 AM ET
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