DC Area Forecast: A scorching Sunday with dangerous afternoon heat


* Heat Notice today from 11 a.m. to 8 p.m. *

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

1/10: The hottest day of the year so far calls for constant hydration and breaks from the sun.

  • Today: Generally sunny, extremely hot, humid. Highs: 90 above near 100.
  • This evening: Partly cloudy, muggy and warm. Bass: Upper 70s to lower 80s.
  • Tomorrow: Partly sunny and warm, afternoon thunderstorms possible. Treble: mid to upper 90s.

The hottest airmass of the year so far continues to intensify, with today likely the hottest day of the year. With the heat index expected to approach 105 this afternoon, be sure to take frequent breaks if you must be outdoors. Tomorrow remains very warm but not as warm as today, with strong to severe thunderstorms possible from afternoon to evening.

Today (Sunday): We are partly to mostly sunny, with morning temperatures quickly reaching the 80s to near 90s, and afternoon highs in the upper 90s to near 100s, with only a light afternoon breeze. southern noon. With moderate to high humidity (dew points between the mid 60s and low 70s), the heat index could approach or reach 105. We could approach or reach the record for the date of 101 at the Reagan National Airport. Please stay hydrated and think about your pets too. Confidence: High

This evening: The heat continues, with overnight lows (if you can call them that) in the upper 70s to 80s. We remain dry, with partly cloudy skies and southerly winds around 5-10 mph. Confidence: High

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Tomorrow (Monday): Partly to mostly sunny skies to start the day. And it’s another warm, maybe a little less than today, with afternoon highs peaking in the mid to high 90s. Humidity might actually be a little more higher than today, which means we are again heading towards a heat index of around 100 to 105. Approaching a front will increase cloud cover, with an increasing risk of thunderstorms especially after 14 h. These thunderstorms could be severe, producing damaging winds and heavy rain. Confidence: medium

Tomorrow evening: Mostly cloudy with more showers and possible thunderstorms in the evening, some of which could be violent. At least the thunderstorms are cooling us down a bit, with lows in the mid-70s. Confidence: low-medium

A frontal border lingers nearby Tuesday and Wednesday, which means the continued risk of showers and thunderstorms. On a positive note, we should take a break from the extreme heat, with Tuesday highs in the low to mid 80s and Wednesday highs in the mid 80s to near 90s. comfortable because the 90s could come back at the end of the week. (but nothing too extreme yet). Confidence: medium

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