D.C. area forecast: Rain develops late today; heavy at times through Wednesday

Today’s Daily Digit

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

5
Morning is fine, but mid-late afternoon marks start of drawn-out rainy period. Boo! Jason, CWG.

Express Forecast

Today: Mostly cloudy, afternoon rain showers developing. Highs: 63-68.

Tonight: Rain likely. Lows: Near 50.

Tomorrow: Periods of rain, cooler. Highs: 54-58.

FORECAST IN DETAIL


Radar & lightning: Latest regional radar shows movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

The massive storm system in the Plains- responsible for devastating tornadoes from Kansas to Arkansas Sunday – flings bouts of rain at us through Wednesday, perhaps lingering to Thursday. We don’t expect widespread violent storms here, but hefty amounts of rain are possible and a few storms Wednesday could pack a punch.

Conditions start to settle down on Thursday, and Friday there’s a complete break in the action. We can’t rule out a chance of showers Saturday but it shouldn’t be a washout. Sunday’s looking good at this point.

Today (Monday): Variable sky cover this morning tends mostly cloudy by early afternoon. Between mid-afternoon and early evening, rain showers develop from southwest to northeast (70 percent chance).  Highs reach the mid-60s, but could edge a bit higher if the sun hangs on longer than expected. Day time rain totals are probably around 0.1″ or lower.  Winds are light and variable. Confidence: Medium-High

Tonight: Rain showers are likely at times throughout the night.  Lows are near 50, with some upper 40s in the cooler suburbs.  Rainfall totals average around 0.25″. Confidence: Medium-High

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

Tomorrow (Tuesday): Rainy and breezy throughout much of the day, but it’s not an all-day deluge. At times the rain is more showery than steady.  Day time rainfall totals are probably in the 0.25-0.5″ range with locally heavier amounts possible. A breeze from the east at around 15 mph puts a lid on temperatures, with highs mostly in the mid-to-upper 50s. Confidence: Medium-High

Tomorrow night: More areas of rain surge into the region, which may be heavy at times. Air pushing in from the south overnight prevents temperatures from falling much, with overnight lows in the low-to-mid 50s. Confidence: Medium-High

A LOOK AHEAD

Showers and thunderstorms are likely Wednesday and could be strong. There may be a few intervals of sunshine and breaks in the rain at times.  As winds start to come in from the south, highs could reach near 70. Showers and storms continue int0 the evening and probably taper off by pre-dawn (if not a bit sooner). Lows are very mild, ranging from the mid-50s to near 60. Confidence: Medium

We may see some partial clearing on Thursday, but a cold front in the vicinity could set off showers and thundershowers in the afternoon.  It’s mild with highs in the mid-70s. Somewhat cooler weather air starts to stream into the area overnight, with lows 45-50. Confidence: Medium’

Friday and Sunday may battle for the best day of the week.  Both days stand a good chance to be rain-free, with partly to mostly sunny skies and highs in the 60s (slightly cooler than normal).  Saturday may end being ok too, but a cold front zipping by combined with low pressure to the southeast could produce a period of showers in the afternoon.  The overnight hours are mostly dry, with lows in the 40s to near 50. 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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