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Posted at 4:10 PM ET, 05/ 9/2010

Forecast: Staying cool as winds subside

By Brian Jackson

* Clouds, temps and more: Weather Wall *
* Kids say the darndest things about air pollution *

Today's Daily Digit
 
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
 
6Lots of sun, but cool temps and that pesky wind make it less than ideal.
 
Get tomorrow's 'Digit' on Twitter tonight

EXPRESS FORECAST

Today: Partly sunny, windy and cooler. 59-64. | Tonight: Chilly! Mid-30s to low 40s. | Tomorrow: Mostly sunny, not as windy. Mid-60s. | A Look Ahead | Get Express Forecast by E-mail

FORECAST IN DETAIL

Happy Mother's Day Mom! (She's a CWG regular, or at least she says she is). If you look outside this morning you wouldn't know it, but our temperatures are borderline "brisk." Stiff winds from the northwest have ushered in a cool air mass meaning temperatures a good 10 degrees below average today. Warming is in the forecast by midweek, but not before a warm front brings the chance of showers and storms Tuesday into Wednesday.

Temperatures: Latest D.C. area temperature map powered by iMapWeather (base map by Google). Click and hold on map to pan. Double-click to zoom. Refresh page to update. See larger map on our Weather Wall.

Today (Sunday): Temperatures take a bit of a tumble today as we head back to spring for a few days instead of this pseudo-summer we've had to start May. Don't fret though, as we'll see some sun during the day. Highs struggle into the low 60s, and leftover winds from the northwest (15-25 mph with higher gusts) will make it feel cooler than that. Let's call it: "refreshing." Confidence: High

Tonight: Downright chilly! Maybe a blanket would be a good idea for a last-minute Mother's Day gift? Clear skies and diminishing winds allow temps to fall off quickly. Overnight lows range from the mid-30s in the coldest suburbs to the low 40s downtown. Those winds will be out of the northwest still, but diminishing to around 5 mph by morning. Confidence: High

Keep reading to see when we'll return to the warmth....

Tomorrow (Monday): High pressure brings some improvement with winds only around 10 mph from the northwest. But temperatures remain cool, even with mostly sunny skies. Expect daytime highs only in the mid-60s. Confidence: Medium-High

Tomorrow Night: Clouds will be on the increase as we work through the overnight hours. But we'll stay dry with still chilly overnight lows in the low-to-mid 40s. Confidence: Medium-High

A LOOK AHEAD

As we move into Tuesday, a frontal system approaches from the west meaning showers are likely (60% chance) by afternoon. The heaviest rains may miss to the northwest, but we'll likely see enough to rinse the pollen off our cars. With the clouds and showers, highs should only make the mid-60s at best as breezes increase from the south/southeast. Shower chances and maybe a few rumbles of thunder continue overnight, and with warm winds from the south, lows only drop to the mid-to-upper 50s. Confidence: Medium

Conditions on Wednesday don't change all that much as far as rain chances go, with a 50% chance for showers or t-storms. What will change, however, is our temperatures. We'll move into the warm sector of this storm system with highs around the upper 70s. Confidence: Medium

By Brian Jackson  | May 9, 2010; 4:10 PM ET
Categories:  Forecasts  
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Next: Forecast: Cool, dry start to warm, moist week

Comments

Did anyone else see the huge rainbow about 5 minutes ago?? I was out walking the dog and it was quite amazing. The one time I didn't have my camera phone and missed taking a shot of it.

Posted by: caplato | May 9, 2010 7:29 AM | Report abuse

Drat caplato, I wasn't up early enough this morning to see this. I am perplexed since I don't think there were any rain showers nearby to help produce the refraction through rain droplets for a rainbow. Unless this one was more up into the clouds? Did it reach all the way to the ground? I look forward to a phoneCam shot, next time!

Brian, hope your mom sees your great shoutout!

Posted by: Camden-CapitalWeatherGang | May 9, 2010 11:12 AM | Report abuse

Are we locking into a dry and windy pattern for several weeks? Most of the precipitation lately seems to be heading off to the NE, with a wrap around effect bringing lots of breezy conditions, but with low humidity. I know this is premature to say, but it wouldn't surprise me to see fires break out in the Shenandoah or George Washington National Parks early in late spring or early summer.

Posted by: MillPond2 | May 9, 2010 12:21 PM | Report abuse

There should be several shots at rain throughout this week with the noted frontal boundary setting up shop pretty close by and then sticking around. In these setups you can get a fair amount of rain over a few day period.. right now it seems the focus wants to be north of us, but it needs to be fine tuned.

Posted by: Ian-CapitalWeatherGang | May 9, 2010 12:58 PM | Report abuse

There seems to be a considerable chance of rain as early as Tuesday [with the warm frontal passage], then continuing off and on through the rest of the week until the weekend, but there's no heavy precipitation threat. We should have a cold frontal passage later in the week.

The cool windy pattern, with a threat of frost or freeze in some areas, is a bit unusual for this time of year. As I posted yesterday, we don't normally get high winds this late into spring, except for the brief periods resulting from severe weather. Today's gusty pattern is more typical of winter than of late spring.

Posted by: Bombo47jea | May 9, 2010 7:46 PM | Report abuse

Hey sorry for the late reply Camden! The skies was partially dark and cloudy when I saw it and there were a few sparse sprinkles of rain. It did in fact reach all the way to the ground on each side. I kept staring at it in disbelief. BTW, I was behind Kemp Mill Elementary school in Silver Spring when I saw it. It was one awesome Mother's Day gift from Mother Nature!

Posted by: caplato | May 12, 2010 5:02 PM | Report abuse

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