D.C.-area forecast: Storms are possible late today ahead of a hotter Wednesday

Today’s daily digit
A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.
4/10: The sweaty air is onerous but, since we need the rain, hoping showers are numerous and generous.
Express forecast
- Today: Partly to mostly cloudy, scattered showers-storms late. Highs: 85 to 90.
- Tonight: Scattered showers-storms. Lows: 69 to 77.
- Tomorrow: Mostly sunny, slight storm chance. Highs: 92 to 96.
Forecast in detail
Two upper-level disturbances attempt to bring needed rain to our area, including one today and tonight, and then another one late this week into the weekend At the same time, heat and humidity are on the rebound with an increase in uncomfortable humidity today and a rise in temperatures tomorrow. The first August weekend is looking characteristically hot and humid with scattered storm chances, especially on Saturday.
Today (Tuesday): Clouds try to hold the heat back today, but humidity is on the rise with uncomfortable dew points in the low to mid-70s, while highs reach the mid-upper 80s to around 90. Scattered showers and thunderstorms should move into the area late in the afternoon or into the evening. Some of the storms could be severe, but not everyone may see them. Light winds are from the south at 5 to 10 mph, but they could be gusty around storms. Confidence: Medium
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Tonight: Mostly cloudy and muggy with continued scattered showers and thunderstorms, especially through the evening hours. Lows range from near 70 in the outer suburbs to the mid-upper 70s in the city. Light winds are from the south at around 5 to 10 mph, except gustier around storms. Confidence: Medium
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Tomorrow (Wednesday): An early-morning shower is possible, but otherwise, expect partly to mostly sunny skies as highs increase into the low to mid-90s. Humidity is slightly lower than Tuesday, but dew points are still near 70 degrees so that heat indexes peak near to above 100 degrees. A late-day shower or thunderstorm is possible. Winds blow from the southwest at 5 to 10 mph. Confidence: Medium-High
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Tomorrow night: Mostly clear and moderately muggy with lows ranging through the 70s. Confidence: Medium-High
A look ahead
Thursday could be our sunniest and hottest day of this week as highs head to the mid- to upper 90s with moderate to high humidity. Thursday night is partly cloudy with very muggy lows in the 70s to near 80. An isolated shower or storm is possible. Confidence: Medium
The next disturbance arrives on Friday with partly cloudy skies as highs aim for the mid-90s. Showers and thunderstorms are possible Friday afternoon, but they could become more numerous Friday evening into Friday night with lows in the 70s. Confidence: Medium
For the weekend, the disturbance may linger into Saturday, with scattered showers and storms, mainly in the afternoon. There should be enough sun for highs to reach the low to mid-90s. Scattered showers or storms are also possible Saturday night under partly cloudy skies as lows range from near 70 to the mid-70s. Sunday should be drier, but we can’t rule out a stray shower or thunderstorm as highs are again in the low to mid-90s with partly to mostly sunny skies. Confidence: Low-Medium
A tropical disturbance potentially off the Southeast coast by this weekend could impact our weather by early next week, but confidence is very low.
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