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* Heat advisory 10 a.m. through 8 p.m. today for most of the area *
Code orange air quality alert: Unhealthy for sensitive groups *

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

1/10: “Frying Friday.” Heat index eyes ~105. Withholding a “0” in case it gets steamier before this breaks.

EXPRESS FORECAST

Today: Hazy sunshine. Isolated storm possible. Highs: Mid-90s to near 100.
Tonight: Partly cloudy. Lows: Mid-70s to around 80.
Tomorrow: Storm chances increasing, late afternoon especially. Highs: Mid- to upper 90s.
Sunday: Hazy, steamy, and potentially stormy again. Highs: Mid-90s to near 100.

View the current weather at The Washington Post headquarters.

FORECAST IN DETAIL

The next few days could bring our strongest heatwave of this summer. Spin positive, right? Also, we could see some cooling showers and storms, but they could also be strong to severe. Watch radar with us!

Today (Friday): Have you acclimated to the oven? Continue to take it easy, as heat index values may once again end up around 105. Under hazy skies with a mix of sunshine, temperatures should still eye the mid- to upper 90s. West and west-northwest winds top out near 10 mph during midday hours. A slight (20 percent) chance of afternoon storms won’t give us much hope for a cool-off. Still, watch the radar with us just in case. Confidence: Medium-High

Tonight: Storms could linger, and some new ones might even pop up in the evening hours (40 percent chance of rain). If you manage to skip out on the showers and storms, it’s an otherwise muggy and partly cloudy evening. Temperatures by just before dawn bottom out in the mid-70s to around 80 downtown. Light north and northwest breezes should stay at or below 5 mph. Confidence: Medium-High

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Tomorrow (Saturday): We’ll watch for storms forming in the Midwest and potentially moving toward our region. Some of these could be strong to severe. That means damaging winds, hail and flooding downpours. The forecast is tricky, so stay tuned. With cloud levels roughly the same as Friday, heat should still be able to build into the mid-90s, perhaps some upper 90s again — assuming that most of the storminess doesn’t approach until late afternoon, as we currently think. It’s still a Turkish bath outside, with heat index values approaching 105 again. Confidence: Medium

Tomorrow night: Very muggy. Storms — even if fairly organized, widespread and feeding on the ample moisture in the air — should die down before midnight. Gardeners should love some of the potential for downpours, at least. But remember to NEVER cross a flooded roadway — in your vehicle or on foot. Predawn low temperatures in the mid-70s to around 80 appear the most likely range. Confidence: Medium

A LOOK AHEAD

Sunday: It looks like we have a 40-50 percent chance of showers and storms during the day, with the best chances in the early to midafternoon. We’re toasty and steamy with some hazy, semi-cloudy sunshine at times. You know the drill. Drink plenty of water. Find plenty of shade and occasional air conditioning at the very least. With high temperatures again in the mid-90s to near 100, heat-index values in the triple digits are likely to stress our bodies. Confidence: Medium

Sunday night: After some showers and storms die down near or around midnight, conditions stay fairly muggy, but at least clouds slowly decrease. Low temperatures in the region are likely to end up in the 70s for everyone. Keep that air conditioner running! Confidence: Medium

A downtrend in heat and humidity Monday into Tuesday may transpire. Low to mid-90s on Monday could “cool” into the mid-80s to around 90 on Tuesday. The best part? Dew points may drop below the tropical 70 threshold late Monday. With dew points simply in “moist” 60s possible on Tuesday. Ahh! Kinda. Anyway, both days’ shower and storm chances appear low, but some clouds could be around. We’ll tweak the forecast, as needed, once we get a bit closer! Confidence: Medium