Forecast: Stretch of 90-degree Heat Begins
Today: Lots of sun. 89-92. | Tonight: Mostly clear. 65-70. | Tomorrow: Mostly sunny. 90-93. | A Look Ahead
FORECAST IN DETAIL
Just as the tropics begin to heat up, so do we. Today we could begin what will become our longest stretch of 90-degree weather yet this summer. Don't expect the mercury to be boiling, but all the way until next weekend we'll look at the possibility of topping 90 for our daily highs, with the best chances early in the week. Then, storm chances begin to return which may moderate temps for some..
Today (Sunday): If you've got one, or access to one, today would be ideal to make use of two things, a pool, or a boat. Boatloads of sun will grace you at either one. Afternoon temperatures will reach into the low 90s across the region but dew points in the low 60s will hold humidity in the moderate -- as opposed to high -- range (it's still hot!). Winds will be light and variable, taking a more southerly direction by afternoon/evening . Confidence: High
Tonight: A mostly pleasant night is in store. Clear skies and calm winds will allow temperatures to dip overnight into the mid-60s outside of the beltway. Those of you in urban areas will still have a decent cool-down with overnight lows in the upper 60s to near 70. Confidence: High
Keep reading to find out when storm chances rain on the parade of 90s...
Tomorrow (Monday): Thank you sir, may I have another. An abundance of sun will remain with temperatures again reaching the low 90s. Light winds from the south will begin to sweep some more moisture in so we may begin to feel a bit stickier during the afternoon hours. Confidence: High
Tomorrow Night: Not too much of a change for your overnight weather either. A few more clouds, call it partly cloudy, and a rise in dew points will mean it'll be a bit warmer, with lows will only in the upper 60s and lower 70s (downtown) overnight. Winds from the south will continue to be light Confidence: Medium-High
Tuesday we'll start to notice even more humidity around as well as a few more afternoon clouds. Still plenty of sun should propel temperatures into the upper 80s and I'd expect a few reported 90s as well. The risk is there for a late-afternoon shower or thunderstorm (20% chance), but I'd bank on the majority of the activity staying over the Blue Ridge. Confidence: Medium-High
Wednesday calls for the first real threat for afternoon showers and thunderstorms as a lee trough, and slowly increasing moisture, combine for at least a 30% chance that you won't need a car wash. Otherwise expect a fair mix of clouds and sun throughout the day as afternoon highs struggle to approach 90 degrees. Confidence: Medium-High
| August 16, 2009; 2:00 PM ET
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