Forecast: After Storms, Forecast Finally Changes
Storm chances disappear starting tomorrow
Our forecasts for all but two of the past 14 days, including today, have carried a chance of showers or thunderstorms. That streak should finally come to an end starting tomorrow, at least for a few days -- a welcome interruption to the persistent disruption of outdoor activities. But first, we must deal with today's stormy potential.
Scattered a.m. showers and p.m. storms. Very humid. Upper 80s. A cold front coming from the west colliding with warm and very humid air already in place spells a chance for some scattered showers this morning, and probably a good number of showers and thunderstorms this afternoon and evening. Some storms may contain damaging winds, heavy rain and dangerous lightning. Away from showers and storms, skies should be partly to mostly cloudy as temperatures reach highs in the upper 80s.
The chance of showers and storms continues tonight, mainly before midnight. Then, clearing skies and decreasing humidity toward morning with overnight lows in the upper 60s to near 70 in the suburbs, low-to-mid 70s downtown.
Confidence: Medium-High
Keep reading for the forecast through the weekend, and see NatCast for how the weather might impact tonight's game at Nationals Park.
TOMORROW (THURSDAY)
Mostly sunny. Much less humid. Upper 80s. High temperatures won't change much -- in the upper 80s again -- but they'll feel a lot more comfortable than today thanks to much lower humidity. Add mostly sunny skies and you've got yourself a pretty darn good day for the second week of July. Overnight, mostly clear and comfy with lows in the low-to-mid 60s in the burbs, upper 60s downtown.
Humidity remains in check on Friday with highs once again heading for the upper 80s under mostly sunny skies. Confidence: Medium-High
Highs aim yet again for the upper 80s on a mostly sunny Saturday, but this time with moderate to high humidity back in the picture. Confidence: Medium-High
Partly sunny and continued humid on Sunday with highs possibly into the low 90s. The next front could bring back the threat of showers and thunderstorms by late in the day. Confidence: Medium
By Dan Stillman |
July 9, 2008; 5:00 AM ET
Forecasts
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Posted by: Murre | July 9, 2008 6:12 AM
Do you think it will be a complete wash out tonight? I have a softball game at 630 on the mall.
Posted by: Anonymous | July 9, 2008 8:54 AM
Did anyone have any significant rain overnight? I seem to have water in my rain guage that wasn't there before yet the grass and streets are dry.
Posted by: Anonymous | July 9, 2008 9:45 AM
Re: washout for softball game on the mall? -- Not necessarily, but it's really hard to say until we see how radar starts to look toward the late afternoon.
Posted by: Dan, Capital Weather Gang | July 9, 2008 11:04 AM
Anonymous: According to the radar, it looked like it rain some last night. I couldn't fall asleep til 330 this morning, and I didn't hear anything in the gutters, so the rain must have happened between now and daybreak?
Posted by: weatherdudeVA (Lake Ridge) | July 9, 2008 11:06 AM
This morning has been rather cloudy with some sprinkles. This may dampen any severe threat, as the sun has not been able to generate heat-induced convection.
Posted by: El Bombo | July 9, 2008 12:32 PM
Yep ... the severe threat has never seemed that impressive for today, and along that line of thinking the Storm Prediction Center last night took the metro area out of the Slight Risk category. That doesn't mean some storms later this afternoon and evening can't or won't turn severe, but chances are low that we'll see a widespread severe outbreak.
Posted by: Dan, Capital Weather Gang | July 9, 2008 2:12 PM
Anonymous: I don't know where you are, but there was a VERY short-lived cloudburst in Chevy Chase this morning around 8:40. It rained really hard for about two minutes...possibly short enough for you to have missed it, and I bet the streets dried pretty fast afterward. Maybe that's it.
Posted by: Laura in NWDC | July 9, 2008 2:15 PM
I am talking about .75 inches and I looked at the rain guage at 7am. It hasn't rained since.
Posted by: Anonymous | July 9, 2008 2:51 PM
Dan, it has been cloudy with light rain most of the day in Stafford. Even though the NWS has stated there is a severe threat in this area and south of here, do you think the lack of heating (the sun has not peeked out yet) so far will suppress any severe thunderstorms?
Thanks!
Posted by: David A. in Stafford | July 9, 2008 3:06 PM
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Bermuda is back in the forecast cone for Hurricane Bertha
(http://www.nhc.noaa.gov/)