D.C. area forecast: Great start to week before it gets stormy and then cold briefly

Today’s Daily Digit

A somewhat subjective rating of the day’s weather, on a scale of 1 to 10.

6
A cloudy Monday, but we could hit 60. I’ll take it in a heart beat.

Express Forecast

Today: Mostly cloudy. Highs: 57-62.

Tonight: Partly cloudy. Lows: 36-43.

Tomorrow: Mostly cloudy. Highs: 61-66.

FORECAST IN DETAIL

 

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

The first three days this week we could hit 60 or higher; that’s a marked step up from the 30s and 40s this same time last week. But late Wednesday, a vigorous cold front sweeps through the region and we’re back into the 30s for highs on Thursday. Friday and Saturday temps quickly rebound before the next weather-maker approaches to close the weekend.

Today (Monday): We tend cloudier than not, especially this morning.  By late afternoon, the sun has a better chance to make a stronger showing.  Highs take aim at around 60, with light winds from the southwest. Confidence: Medium-High

Tonight: Skies are partly to mostly cloudy.  The clouds and lack of arctic air mean temperatures are above freezing throughout the region, with lows from the mid-30s in the cooler suburbs to low 40s downtown.  Light winds. Confidence: Medium-High

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

Tomorrow (Tuesday): Like today, it’s mostly cloudy but  on the mild side. Highs climb to 60-65 with winds from the west at around 10-15 mph. Confidence: Medium-High

Tomorrow night: Light breezes from the south and considerable cloud cover (preventing the atmosphere from venting the daytime heat to space) make for a mild night.  Lows range from the low-to-mid 40s in the cooler suburbs to near 50 downtown.  Confidence: Medium-High

A LOOK AHEAD

Snow Potential Index

A daily assessment of the potential for at least ~1″ of snow in the next week, on a 0-10 scale. More info

2 ( →) A few snow showers on the tail end of Wednesday’s storm still seems like the most we’d see this week.

Wednesday’s a bit volatile.  It starts off quite mild, but then showers – some locally heavy (with a chance of thunder) – race into the region in the afternoon.   Highs probably reach 60-65 before the cold front passes – forecast for the evening hours. Temperatures drop at night behind the front with rain showers possibly changing to snow showers before ending. We still don’t see strong accumulation prospects from this event; it’s more likely we don’t see any snow.  Lows range from the low-to-mid-30s (suburbs to city). Confidence: Medium

For those sick and tired of the cold, do your best to avoid the elements Thursday.  It’s windy and it’s cold. Highs probably only reach the mid-to-upper 30s, but it feels like the 20s factoring in very gusty winds from the northwest. Sky conditions are variably cloudy and I can’t rule out a snow flurry.  Decreasing clouds and not as windy at night, but very cold.  Lows range from the mid-to-high teens in our colder suburbs to the mid-20s downtown.  Confidence: Medium

Moderating temps Friday and Saturday.  Highs Friday, under mostly sunny skies and less wind compared to Thursday, head for the mid-50s.  On Saturday, highs warm to 60-65 under partly sunny skies.  Overnight lows Friday and Saturday nights are generally in the 30s to near 40 (downtown). Confidence: Medium

Sunday’s forecast is a little tricky.  The European model wants to push a cold front south of the region, which would favor chilly highs around 50.  The GFS model keeps us on the warm side of the front, with highs closer to 60. Both models keep us dry (until the evening, at least). I slightly favor the cooler European model look, but this forecast is highly subject to adjustment. Confidence: Low-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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Heat Tracker

48
90-degree days year-to-date
Yearly Average
36
Record Most
67 (1980,2010)
Record Fewest
7 (1886,1905)
Last Year
24

At a Glance

Fri.

thunderstorms
76° /90°
Drop 20%

Sat.

partlycloudyday
71° /82°

Sun.

partlycloudyday
69° /83°

Mon.

partlycloudyday
71° /89°

Tue.

thunderstorms
72° /90°
Drop 20%

Wed.

thunderstorms
73° /91°
National Airport
Dulles
BWI

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Brian Jackson · March 9, 2014

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