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Wed Jul 22, 2020, 08:28 AM

D.C.-area forecast: Extreme heat today with higher humidity; late-day storms likely

https://www.washingtonpost.com/weather/2020/07/22/dc-area-forecast-extreme-heat-today-with-higher-humidity-late-day-storms-likely/

Today’s daily digit
A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

2/10: Still super hot with the humidity up again after a slight drop yesterday. Heat index could reach near 105.

Express forecast
Today: Extremely hot, humid, late-day storms likely. Highs: Mid- to upper 90s.
Tonight: Steamy with evening storms likely. Lows: Mid-70s to near 80.
Tomorrow: Very hot and humid, chance of late-day storms. Highs: Mid-90s.
Forecast in detail
The heat is here to stay. Today feels even a bit worse than yesterday with higher humidity. Late-day storm chances accompany the heat today and tomorrow with highs well into the 90s and the heat index near or past 100. We do get a slight break Friday and Saturday, with highs closer to 90, but then we’re hotter again Sunday.

Today (Wednesday): Heat similar to yesterday’s, but with higher humidity, thanks to light winds from the south. The heat is unforgiving, with partly to mostly sunny skies through much of the day. Morning temperatures rapidly rise through the 80s, to near or past 90 by lunchtime, with afternoon highs in the mid- to upper 90s. The high humidity (dew points in the low- to mid 70s) could make it feel like near 105 at times this afternoon. There’s also a good chance of strong to severe storms, arriving from west to east after 4 p.m. or so. Confidence: Medium-High

Tonight: Strong to severe storms are pretty likely during the evening, lingering the latest in our southern and eastern suburbs before diminishing after 11 p.m. or so. Skies remain partly to mostly cloudy thereafter with steamy lows in the mid-70s to near 80. Confidence: Medium-High

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