Relief tomorrow, but heat returns for holiday weekend
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Today: Mostly cloudy, muggy, p.m. storms. 87-92. | Tonight: Evening storm chances. Mostly cloudy. 64-71. | Tomorrow: Morning clouds, p.m. clearing. Comfortable. 80-86. | Get Express Forecast by E-mail
A heavily saturated muggy air mass lumbers through our area today, and it deteriorates our comfort level. The good news is two-fold: cloud cover and afternoon to evening storm chances break up the heat a bit, and this high humidity is washed out of our area as early as tomorrow. If only all of our heat waves were this tame and temporary! Unfortunately, after a break in the heat/humidity tomorrow into Thursday, a new round builds in for a few days- right on top of the holiday weekend.
Today (Tuesday): Our most uncomfortable day of the week is here as a thick layer of humid air envelops us. A morning shower can’t be ruled out. From the afternoon into early evening, it’s muggy, very warm, and mostly cloudy with a 50-60% chance of showers and thunderstorms. High temperatures range from the upper 80s to the low 90s (hottest weather in the southern sections and during cloud breaks). Winds range from the south and southwest at 5-10 mph (but gustier around any storms). Confidence: Medium-High
Timing: 4-8 p.m.
Tonight: Evening thunderstorms with maybe some lingering later-night showers/storms (40% chance, mainly southeast of I-95) with lows ranging from the middle 60s in the far outer suburbs to the low 70s yet in the city. Winds shift from the south to from the northwest, but will be mainly on the light side except around thunderstorms. Confidence: Medium-High
Keep reading for the forecast through the weekend...
Tomorrow (Wednesday): Better days are here! Cooler Canadian air flushes out the humidity and offers much nicer weather. Drier air and light breezes will feel comfortable, but a strong late June afternoon sun still jettisons our temperatures up into the low-to-mid 80s. Confidence: Medium-High
Tomorrow night: Mostly clear skies and lower humidity levels allow temperatures to drop down into the upper 50s in surrounding suburbs with more likely low-to-mid 60s in the city. Light winds. Confidence: Medium-High
Thursday is another nice mostly sunny day highlighted by still-low humidity and manageable summertime temperatures ranging through mainly the low-to-mid 80s. By Thursday night, we aim for partly cloudy skies and lows again in the mid-60s inside the Beltway, but maybe some upper 50s in the outer ‘burbs again. Confidence: Medium-High
Friday starts to heat up a bit, but this is expected to be a slow process with highs in the upper 80s to around 90, slightly higher humidity, and partly sunny skies. The risk to this forecast is that most areas hold back slightly cooler yet, but either way, we should be warmer and slightly more humid than Wed-Thu. Friday night looks partly cloudy with high humidity and lows from the mid 60s to the low 70s. . Confidence: Medium
The Independence Day weekend returns more typical summer weather to the Washington, D.C. area (sorry) with higher heat and humidity. Look for highs in the upper 80s to low 90s with moderate to high humidity levels. Some slight thunderstorms are seen toward Sunday and Monday, which could disrupt fireworks activities, but we need to fine tune as we move closer. Lows in the muggy upper 60s to middle 70s through this weekend. Right now, this hot weekend does not look as severe as the early June heat that yielded 100-degree weather, but the heat indices could feel in that range especially on Saturday and Sunday. Confidence: Low-Medium