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D.C.-area forecast: Humid heat on repeat, before storm chances rise later in week

Internashonal

D.C.-area forecast: Humid heat on repeat, before storm chances rise later in week


* Heat advisory from noon to 8 p.m. *

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

1/10: Stubbornly sticky, stagnant stench of high heat that won’t retreat.

  • Today: Partly sunny, isolated p.m. storm chance. Highs: 95-100.
  • Tonight: Partly cloudy, very muggy. Lows: 75-80.
  • Tomorrow: Partly sunny, chance of p.m. storms. Highs: 93-97.

The meteorological misery index is soaring, with both temperatures and humidity reaching close to July maximum levels of discomfort. There don’t appear to any significant cool fronts coming to “save the day.” But we are watching a dying front that could offer a briefly cooler Friday, and increasing late-week storm chances as we look to fight our expanding drought conditions, which are especially worrisome west of D.C.

Today (Tuesday): Hazy, hot and humid with a mix of sun and clouds as highs surge again into the mid-90s to near 100. Higher humidity (dew points in the low to mid-70s) pushes heat index values above 105, so extreme caution is urged for any level of outdoor activity. Winds from the south at about 5 mph are just no help. Isolated, small thunderstorms are possible by later afternoon into early evening. Confidence: High

Tonight: Massively muggy conditions persist with lows only in the mid-70s to near 80 along with partly cloudy skies. Light breezes still blow from the south at about 5 mph. Confidence: High

Follow us on Facebook, Twitter, and Instagram for the latest weather updates. Keep reading for the forecast through the weekend…

Tomorrow (Wednesday): Mixed sun and clouds could be a touch cloudier than Tuesday. Highs hold closer to the mid-90s, but dew points in the mid-70s are still super muggy. Hit-or-miss afternoon showers and storms are possible, though they may end up more miss than hit, making it a lottery of winners and mostly losers in the hunt for rain. Winds from the south pick up to 10-15 mph, with higher gusts. Confidence: Medium

Tomorrow night: Scattered showers or a thunderstorm remain possible, but probably nothing widespread or long-lasting. Muggy lows hover in the mid-to-upper 70s under partly cloudy skies. Confidence: Medium

Thursday sees partly sunny skies with just slightly cooler highs in the low to mid-90s and moderate to high humidity. Some hit-or-miss showers and storms could again pop across the area, with perhaps a better chance of more numerous showers and storms developing Thursday night as lows settle in the low-to-mid 70s. Confidence: Medium

Friday has the best chance for the most shower and thunderstorm activity. Heavier downpours are even possible. Skies are partly to mostly cloudy with somewhat cooler highs aiming for the mid-to upper 80s as humidity remains moderate to high. Rain chances continue Friday night with lows in the low to mid-70s. Confidence: Medium

The weekend trends drier overall, but scattered showers and storms are still possible Saturday and Saturday night, especially east of D.C. Partly sunny skies lift Saturday highs back to the low 90s, then mostly sunny skies drive Sunday highs to the mid- to upper 90s again. Saturday night lows are mostly in the 70s. Moderate to high humidity continues to hound the forecast with dew points in the upper 60s to low 70s. Confidence: Medium





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