DC Area Forecast: Heatwave today, with heat indices reaching 105 to 110

• Today: Some clouds. Chance of showers/thunderstorms. Maximum temperatures: 32 to 38 °C.
• This evening: Showers and thunderstorms remain possible. Minimum temperatures: 21 to 28 degrees.
• Tomorrow: Heavy storms are possible late in the day. Maximum temperatures: around 32°C.
• Sunday: Less humid. Isolated thunderstorm? Maximum temperatures: around 32 to 32 °C.

Another day, another heat advisory. Heat index values ​​above 105 will increase the risk of illness, and don’t expect much relief tonight. We could even see another one issued for tomorrow, as it remains warm and humid ahead of a weak cold front. That front could also trigger strong to severe thunderstorms later tomorrow. Sunday looks to be a one-day break in the humidity, though it will still be quite warm.

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Today (Friday): After fog, clouds and even a downpour, we’re cracking. The heat combined with humidity can make it feel like 105 to 110 degrees in the afternoon. Southwest breezes are moderate at most. The chance of thunderstorms increases over time, starting in the mid-afternoon. The strongest storms can stay west of us. Saving the worst for last: Thermometers top out at 90 to 100 degrees. Confidence: Medium-high

This evening: Some showers and thunderstorms could persist until the evening. Temperatures could drop to between 21 and 27 degrees for low temperatures. Confidence: medium-high

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Tomorrow (Saturday): There may be a bit more sunshine than Friday morning, though we will likely still have some clouds at times. The chance of thunderstorms is slightly higher, overall, and could begin as early as noon. A few thunderstorms could bring damaging wind gusts near 60 mph and isolated torrential rain. It is still uncomfortably hot and humid, with highs in the 90s and 95s, with temperatures reaching as high as 105. Confidence: Medium-High

Tomorrow evening: Showers and thunderstorms could continue into the early hours of the morning, but strong or severe thunderstorms are expected to diminish in intensity by late evening. Skies remain mostly cloudy and temperatures are between 15 and 21 degrees. Confidence: medium-high

Sunday: A little behind Saturday night’s cold front, we should have less humid air marked by dew points in the low 60s. Highs are still expected to reach around the mid-to-high 90s, though. A mix of sun and clouds is still likely, with only a chance of a light, scattered thunderstorm mid-day and mid-afternoon (especially east and south of the city). Confidence: Medium

Sunday night: Partly cloudy with only a few showers or chances of thunderstorms. Temperatures only drop to 21 to 28 degrees with humidity already increasing again. Confidence: Medium

Humidity returns with a continued mix of clouds and sunshine Monday and TuesdayRisks of showers and thunderstorms are expected, especially on Tuesday. Maximum temperatures are expected to reach between 27 and 32 degrees in the warmest places. Heat index values ​​close to 38 degrees are possible. Confidence: medium