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Posted at 2:50 PM ET, 06/ 5/2010

Forecast: Same ol' sweat & storms for weekend

By Dan Stillman

Cooler, drier air waits for work week

* Monday at the Vietnam Memorial | New York's hurricane scenario *
* StrasCast: Tracking the weather for Strasburg's big-league debut *
* Outside now? Radar & more: Weather Wall | UnitedCast | NatCast *

Today's Daily Digit
 
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
 
6Broken-record forecast (hot & humid with storm chance) keeps the digit right where it was yesterday.
 
Get tomorrow's 'Digit' on Twitter tonight

EXPRESS FORECAST

Today: Partly to mostly cloudy & humid. 30-40% chance of p.m. storms. Near 90 or low 90s. | Tonight: Muggy with a 30-40% chance of evening storms. Near 70 to mid-70s. | Tomorrow: Partly sunny & humid. 50% chance of p.m. storms. Upper 80s to low 90s. | A Look Ahead | Get Express Forecast by E-mail

FORECAST IN DETAIL

While it's not officially summer yet, a typical summertime weekend is on tap, and veterans of D.C. area summers know the drill all too well -- prepare for a mild and muggy morning and hot and humid afternoon, and hope that any thunderstorms wait until after your early-to-midday outdoor activities and finish early enough to salvage the evening. At least that's the plan for today and tomorrow. A cold front comes to the rescue late Sunday leading to a cooler and drier return to work.


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

Today (Saturday): A warm flow from the west/southwest keeps our hot streak going. Temperatures rise into the 80s by late morning and peak near 90 or in the low 90s for afternoon highs, with humidity quite high. Partly to mostly cloudy skies yield a 30-40% chance of showers and thunderstorms anytime from around mid-afternoon onward. Confidence: Medium

Thundercast:
Probability: 30-40%
Coverage: Isolated-Scattered
Timing: Mid-afternoon to mid-evening

Tonight: Staying sticky with shower/storm chances persisting (around 30-40%) through around mid-evening. Overnight, lows range from near 70 in the suburbs to the low-to-mid 70s in the city, under partly cloudy skies. Confidence: Medium

Keep reading for the forecast into the coming work week...


The skies near Union Station as storms depart the area on Thursday. By CWG photographer Ian Livingston.

Tomorrow (Sunday): Yet another shot at showers and thunderstorms (50% chance) during the afternoon as a cold front comes through. Cooler and less humid air await us behind the front, but it won't arrive in time to keep Sunday from being another partly sunny, hot and humid one with highs in the upper 80s to low 90s, though breezes around 10-20 mph from the southwest will be a nice change of pace. Confidence: Low-Medium

Tomorrow Night: Any showers and storms should be on their way out by or during the early part of the evening as the the front moves past and away. At the same time, winds shifting to come out of the northwest -- still breezy at around 10-20 mph -- start to bring in cooler and less humid air. Lows in the somewhat refreshing low-to-mid 60s. Confidence: Medium

A LOOK AHEAD

Monday and Tuesday bring a refreshing change -- low humidity and highs in the upper 70s to low 80s under partly to mostly sunny skies. Main difference between the two days? Rather breezy on Monday, with light winds expected Tuesday. Confidence: Medium

By Dan Stillman  | June 5, 2010; 2:50 PM ET
Categories:  Forecasts  
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Comments

My weather station appears to be dead, no longer sending signals to the receiver inside. I took off the cover and disconnected everything except the battery, off/on switch and radio, but no difference. Nothing appears to be wrong on the circuit board:
http://i433.photobucket.com/albums/qq51/palmer2/circuitboard.jpg

Posted by: eric654 | June 5, 2010 11:07 AM | Report abuse

RIP eric654's weather station.
It committed suicide rather than continue measuring the current conditions....which feel like an outdoor sauna right now.
Use old school eyeball observation techniques until new electronics arrive :-)

Although it rained last night in Centreville VA it was hardly measurable.
I wonder who will win the storm lottery jackpot this afternoon.

Posted by: FIREDRAGON47 | June 5, 2010 11:21 AM | Report abuse

Is it a little warmer than usual for this early in the summer? Maybe it's because I work outside now, or maybe it's because last year was the fluke and not this, but I've been a little surprised that we've had so many days in the 90s already instead of the mid-to-upper 80s.

Posted by: kejones4 | June 5, 2010 12:32 PM | Report abuse

FIREDRAGON, I looked around but I can't see where the lightning hit. It was very close though, the crack and flash (and UPS beep) were simultaneous. The old fashioned, plastic, lightning-proof rain gauge said we got an inch last evening.

The solar panel, box and battery are still good, so I'll try to figure out a use for them (something like this http://www.moultriefeeders.com/productdetail.aspx?id=mfh-dgs-i45-refurb except using my 6 volt lead-acid battery instead of 4 D-cells) Just need a 6 volt charge controller inside my box.

Posted by: eric654 | June 5, 2010 1:08 PM | Report abuse

Thus far no storms have hit me--though the radar is active, especially to the NW.

Found a new mid-Atlantic lightning detection site from the Eastern U.S. weather board...good local supplement to the Vaisala, StrikeStar and WWLLN sites I'm using for U.S., Canadian and worldwide strike data. There also seems to be a local project under development specifically for the Washington., D.C. area. Recent lightning strikes are generally to our northwest at this time. My guess is that this is mainly good for cloud-ground strikes.

Posted by: Bombo47jea | June 5, 2010 4:16 PM | Report abuse

This is perfectly dreadful weather. I hate it. Worse yet, the lack of rain in DC-and monthly average temperatures of five (or more) degrees above normal-only exacerbate my anxiety!

Radar from yesterday's precipitation looked far more impressive than actual amounts by the time it moved over DC. In fact, rainfall measured a meager .11" at the Children's Hospital WeatherBug site.

If this is going to be the overall pattern this summer, we're headed for a troublesome drought-at least in the city/East.

CWG, how are precipitation patterns looking in the Potomac watershed up-river? How full are the metropolitan area's reservoirs in the Potomac Highlands? Inquiring minds of drought-induced, anxious residents of the District want to know!

Posted by: TominMichiganParkDC | June 5, 2010 7:24 PM | Report abuse

Another evening. Another round of showers that looked great on radar only to break up and fall apart somewhere in West Virginia and fail to reach Montgomery County.

Posted by: MKadyman | June 5, 2010 9:51 PM | Report abuse

It seems areas much further north won the storm lottery today.
But that cold front will be coming thru tomorrow. It could rain a lot.
Heard some distant thunder in the last half hour, but I have NO expectations.

Posted by: FIREDRAGON47 | June 5, 2010 10:21 PM | Report abuse

Correct me if I'm wrong, but I thought I saw on ABC-7 news this morning that we are averaging NINE degrees above normal for June so far, in the D.C. area.

Posted by: MMCarhelp | June 6, 2010 1:24 AM | Report abuse

Storm just rumbled through Laytonsville, northern Mo.Co.. Good 15 minute downpour, winds weren't very strong, random lightning. Skies are already brightening up a bit. Rain easing up quickly.

Posted by: dprats21 | June 6, 2010 2:18 PM | Report abuse

The comments to this entry are closed.

 
 
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