TODAY'S DAILY DIGIT
A somewhat subjective assessment of daytime weather, on a scale of 0 to 10.
4/10: Considering that it's the "most pleasurable" heat Next week we leave room to pull off as heat and humidity become oppressive until Sunday / Monday.
Today: Mostly sunny. Not too damp – not yet. Highlights: 90-95
Tonight: A few clouds. Muggier. Lows: Near 70s to mid-70s
Saturday: More sun than clouds. Steamy. Highs: Low to Mid 90s.
Sunday: Pressure readings for the heat index. Highlights: Mid to early 90s
FORECAST IN DETAIL
The longest and hottest heat wave of summer starts today and your body will not be happy. If you do not have a chance to cool off afternoon storms, please look for some shade, replenish your sweat with water and electrolytes, and wear light, light, breathable clothing. Humidity is not so bad today, but will increase until Sunday and early next week, leading to heat indices of 100 to 105, nearly dangerous levels.
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Today (Friday): High temperatures for the beginning of our heatwave see the 90- to 95-degree range. With only subtropical dew points in the 60s, the heat index values should not exceed the mid-90s. Only a few clouds would be nice in this case, but sunshine seems to dominate. If you're lucky, you'll feel a fast northwest breeze at 5 mph – for a moment. Confidence: High
Tonight: Some, periodic clouds are possible, and fog may slowly become visible when the damp feeling slowly increases. That's more water vapor moving in. Temperatures that are around 70 outside the Beltway, maybe mid-70s Downtown, are the best we can to submerge at low temperatures before dawn. The winds are falling rapidly from very bright to almost calm after sunset. Confidence: Medium-High
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Morning (Saturday): Sunshine continues to dominate all periodic (merciful?) Clouds. It feels a half step warmer thanks to dew points that are too close to the tropical 70 degree mark. High temperatures can add a few degrees, but usually remain in the low to mid-90s. The heat index could exceed about 100 degrees. Very light south-southwest breezes can not provide much refreshment. Confidence: High
Tomorrow Night: A few clouds can rise again and help keep the temperatures (unfortunately) like an insulated ceiling in the atmosphere. The low to mid 70's are as low as possible, and thanks to some tropical dew points around 70 degrees, the air conditioning will most likely stay most of the night. Confidence: Mid High
Sunday: Heat index values around 105 degrees are possible, so please be careful. Oppressive sultriness and heat are likely to be possible with high temperatures in the mid-to-upper 90s. Still sunny sky with little to no prospect of cooling afternoon thunderstorm rain means: oof! Confidence: Mid High
Sunday Night: Clear skies as not, albeit with some haze. The entire region is hovering just before sunrise in the sultry seventies (maybe even near 80 Downtown) – and it will take the whole night to get that "cool" so you want to keep the air conditioning overnight , Hold on! Confidence: Mid High
The pressure sensitivity continues with heat index values in the range of 100-105 Monday and Tuesday . Perhaps reaching a bit, there is a slight signal that later, on both days, we will see some more clouds and maybe a temporary (cooling!) Rainstorm. Fingers crossed. Low 90s with a heat index around 100 possible with a few clouds and showers. In the mid-90s with heat index around 105 rather, if it stays rain-free and sunny. Confidence: Medium