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Posted at 10:40 AM ET, 06/ 5/2009

Forecast: Relentless Rain Causes Flood Concern

By Camden Walker

Rain exits later today; Sun returns for weekend

* Flood Warning for Much of Metro Area Until 3:45 p.m. *
* Flood Watch Through Afternoon | Traffic | NatCast *
* Outside Right Now? See Radar, Temps & More: Weather Wall *


Today: Rain, tapering mid-to-late afternoon. Low 60s. | Tonight: An early shower? Mid-50s. | Tomorrow: Partly to mostly sunny. Upper 70s to near 80. | Sunday: Partly to mostly sunny. Mid-80s. Isolated late-day shower/storm? | A Look Ahead


Brace for a wet, slow drive to work this morning. And don't try to drive through any areas of high water. Rain will be moderate at times into the midday hours. Hopefully by the evening commute we'll just have periodic showers to contend with. After this abysmal end to our workweek, we'll have a mostly splendid Saturday and Sunday. But the threat of thunderstorms returns early next week.

Radar: Latest regional radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Today (Friday): Really wet. A storm system riding up the East Coast will soak us with rain, moderate at times, through much of the day before tapering in the mid-to-late afternoon. Along with an umbrella, consider wearing that long rain coat or even a poncho. Overcast skies and light breezes from the northeast (off the Bay and Atlantic) will keep temperatures hovering in the low 60s all day long. Just a grey, super damp day... ugh.

Anothe half-inch to inch of rain is likely during the daylight hours today, on top of totals from yesterday and overnight. Confidence: Medium-High

Tonight: Any lingering showers should wind down early in the evening. Light winds from the northwest will then start to pull in dryer air. Temperatures drop several degrees overnight to lows in the mid-50s. Confidence: Medium

How much sun can we expect this weekend? Keep reading...

Tomorrow (Saturday): Any lingering morning clouds should quickly give way to partly sunny skies, maybe mostly sunny at times. And nice temperatures in the upper 70s to near 80. Winds will be light and humidity levels will be comfortable for us too. Confidence: Medium-High

Tomorrow Night: Partly cloudy with light winds. Low-to-mid 60s for lows downtown and upper 50s to low 60s in the suburbs. With humidity still in check, this could be a nice night to be out camping! If you head to the Blue Ridge, temperatures will likely "camp" a little lower -- in the mid-to-upper 50s. Confidence: Medium-High

Sunday: Partly to mostly sunny. And warmer with highs in the mid-80s. Winds remain light with just a touch of humidity. Get out and enjoy! But make sure to enjoy with sunscreen. And note that an isolated shower or thunderstorm could pop up late in the day. Confidence: Medium


Other than an isolated early-evening shower or storm, serene conditions prevail Sunday night. Expect partly cloudy skies and increasing humidity with lows in the mid-60s to near 70. Confidence: Medium

Monday and Tuesday shape up as a pair of partly sunny and humid days with a chance of thunderstorms. Temperatures should be warm with highs in the mid-to-upper 80s. Confidence: Low-Medium

By Camden Walker  | June 5, 2009; 10:40 AM ET
Categories:  Forecasts  
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Next: Alert: Flood Warning for Much of Metro Area


I just wanted to drop all of you at CWG a compliment. This is honestly the best weather site that I've ever read - I actually look forward to seeing what the weather's going to be like. Thanks, and keep it up.

Posted by: dwegner | June 5, 2009 9:12 AM | Report abuse

.77" rainfall last 24 hrs.

Very cool with a high of only 60F yesterday, followed by an overnight low of 56F.

A good soaking rain. Radar returns indicate a good swath of light to moderate rain extending back through s.w. Va. to the center of low pressure over the western Carolinas.

57 degrees with light rain at 9:15.

Hopefully, another .50 - 1.00" of rain before the system exits.

Posted by: AugustaJim | June 5, 2009 9:23 AM | Report abuse


Thanks! ... we appreciate the kind words, and shamelessly encourage you to spread the word :)

Posted by: CapitalWeatherGang | June 5, 2009 9:57 AM | Report abuse

Where can I find rainfall totals? Not just for this storm, but on a regular basis, I search in vain for a good place to find out how much rain we've had in the previous day. WAPO doesn't publish on line the same info it prints on the back page of the Metro Section (or if it does, I've failed to locate it). I live in Columbia, work in Towson and volunteer in Silver Spring so I appreciate knowing all the area's totals ...

Posted by: mccarpen | June 5, 2009 10:43 AM | Report abuse


After significant storms, the local National Weather Service will often publish rain totals for a variety of area locations on their Public Information Statement page (use the links at the top to toggle through previous statements). But nothing there on the current storm, yet.

NWS's Preliminary Monthly Climate Data report, available from this page (2nd product in list), is provided for the area's main observing stations and includes daily rain (WTR, column 7) and snow (SNW, column 8) totals.

You can also view radar-estimated totals for the latest storm event here (on the left side, click "Storm Total").

Posted by: CapitalWeatherGang | June 5, 2009 12:31 PM | Report abuse

I feel like I'm back in NY, in October...

Posted by: Brian-CapitalWeatherGang | June 5, 2009 12:33 PM | Report abuse

This reminds me of the infamous "Lake Superior Low" [actually a stalled out stationary frontal boundary over southern Wisconsin/Northern Illinois/Iowa] which periodically plagues west central Wisconsin with multi-day rain events during the summer months.

Posted by: Bombo47jea | June 5, 2009 12:53 PM | Report abuse

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