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High Heat and Humidity Take a Hike

Dan Stillman @ 8:30 AM

It was a short-lived but impressive heat wave as temperatures reached or surpassed the 90-degree mark the past three days in a row. By this afternoon, yesterday's mid 90s and near-100 heat index will have been replaced by mid 80s and a less humid air mass. But will we stay in the comfort zone through the weekend? The forecast details follow ...


Forecast Confidence: HighShowers/t'storms ending; becoming sunny and less humid. After overnight showers and thunderstorms, showers may linger through the morning commute before giving way to clearing skies and decreasing humidity during the late morning through early afternoon. We should be left with a sunny and delightful mid-to-late afternoon with highs in the mid 80s and a refreshing breeze from the north at 10-15 mph. Tonight, clear skies and diminishing winds will allow lows to drop to the low 60s downtown, mid 50s in the suburbs.


Forecast Confidence: High-Very HighGreat Day! A sunny day is expected with high temperatures near average -- in the mid 80s -- and comfortable humidity levels. Overnight, we may see a few clouds associated with the southern extent of a cold front passing mainly to our north. Lows in the upper 60s downtown, low-to-mid 60s in the suburbs.


Forecast Confidence: Medium-HighProbably the same as Thursday. For the most part, I think Friday will be partly to mostly sunny with highs in the mid 80s and the humidity still in check. A weak frontal boundary could increase our clouds during the afternoon and evening and spawn an isolated shower or thunderstorm. But my current thinking is that most of the area will remain dry. Overnight, partly cloudy with lows in the upper 60s downtown, lower 60s in the suburbs.

The Weekend

Forecast Confidence: MediumSeasonable ... any storms? The main question for the weekend is how quickly or slowly a storm system in the Midwest advances toward the MidAtlantic. There are some indications that it may stall and fizzle to our southwest. For now, both Saturday and Sunday look partly sunny with highs in the mid 80s to near 90 (a touch more humid by Sunday) and a small chance of a late-day shower or thunderstorm. Lows Saturday night should be in the mid 60s to low 70s.

Curtain Opens on Shutt

WUSA9 chief meteorologist Topper Shutt, a well-known presence on Washington's little screen since he joined the station in 1988, has now made his way to the big screen. As noted yesterday by, Shutt appears briefly in the new movie "Evan Almighty," which stars Steve Carell and Morgan Freeman. Shutt details his experience shooting the part in a blog entry posted yesterday. The movie opens in theatres on Friday.

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