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Posted at 5:00 AM ET, 09/27/2008

Forecast: Showery Saturday

By Jason Samenow

Slow clearing late Sunday

Intermittent showers will continue pivoting through the metro region into Sunday. During the second half of Sunday, the persistent cloud cover may finally break and some sunshine may break out, especially to the south. But it won't probably be until Monday that appreciable sunshine returns to the entire region and the rain threat evaporates.


Occasional showers, humid. Mid 70s. An upper level low pressure system to the southwest will continue to generate bands of showers (70% chance) that will pivot through the region from southeast to northwest, especially during the afternoon. It won't rain all the time, with breaks between bands (like yesterday) when the skies brighten. During the afternoon, there may be enough instability for a couple thunderstorms. Temperatures should reach the mid 70s.

Scattered showers will likely (60% chance) continue well into the evening but should decrease in coverage and intensity after midnight. Lows will drop into the low-to-mid 60s.

Confidence: Medium-High

Keep reading for the forecast into early next week. See our new Weather Wall for the ultimate overview of D.C. area current conditions.


Mostly cloudy. Mid-to-upper 70s. As the upper low lifts north of the region and weakens, there could be a few breaks in the cloud cover -- particularly south of the region. But enough instability will linger that a few showers and/or thundershowers may develop (50% chance). High temperatures should warm into the mid-to-upper 70s.

Overnight, skies should partially clear, with lows near 60 in the suburbs and mid 60s downtown.


Nice, dry weather returns just in time for the work week. Both Monday and Tuesday should be partly to mostly sunny with highs near 80. Confidence: Medium-High

By Jason Samenow  | September 27, 2008; 5:00 AM ET
Categories:  Forecasts  
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Next: Storm Rainfall Totals Mounting


Wow did we get wallopped in Potomac starting at 530AM. Maybe picked up an inch of rain in about 30 minutes.

Posted by: Potomac | September 27, 2008 7:01 AM | Report abuse


Here in Arlington are 5:00 - 5:30, we got pounded. I recall hearing lots of thunder in my sleepy state.

Posted by: Period | September 27, 2008 7:52 AM | Report abuse

I also was awakened by the thunder and heavy rain here, just south of Rockville this AM. Total precip since 9 PM last night was 2.45". Total since Friday AM was 3.45".

Posted by: Rob-Potomac | September 27, 2008 12:10 PM | Report abuse

Got some heavy rain this morning but I slept through it. The dance last night went off without any problems. Attendance may have been a bit low, but this could have been due to competition from the VA state swing dance team competition at the Dulles Hilton.

Very muggy this morning. We may have some thunderstorms this afternoon. Precipitation seems to be higher over Chesapeake Bay per radar. Vaisala and StrikeStar don't seem to show a lot of lightning.

Posted by: El Bombo | September 27, 2008 1:23 PM | Report abuse

.9 on Thurs and another quarter inch last night in SE LoCo. And humid! That was no noreaster...this is some of the most tropical feeling air of the year. Just think - Dec. 5 is only 69 days away...ya'll know what Dec. 5 means around here :)

Posted by: Dulles ARC | September 27, 2008 1:55 PM | Report abuse

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