As of 4:24 p.m. #DCA The temperature reached 100 degrees Fahrenheit, one degree lower than the record for that date (101 degrees set in 1988). It was the first time that 100 degrees has been reached in June since 2012. #DCwx #VAwx #heat
— NWS Baltimore-Washington (@NWS_BaltWash) June 22, 2024
This ended the fifth-longest streak on record in the city where temperatures did not exceed 100 degrees. Note that you have to go back to 2012 to see the only month in June where temperatures exceeded 100 degrees.
Temperatures across the region are approaching and exceeding Saturday’s record highs: Dulles Airport recorded at least 99 degrees, tying the 1988 record; Baltimore-Washington International Airport recorded at least 101 degrees, breaking the 1988 record of 100 degrees; and National Airport recorded at least 98 degrees, but still below the 101-degree record.
Please stay as cool as possible and stay hydrated through Sunday as the heatwave could approach dangerous levels.
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Until tonight: If there is a storm or two, they will clear up quickly by mid-evening. Otherwise, it will be mostly cloudy and swampy with heat indexes staying in the 90s overnight. Temperatures will only drop into the mid 70s to low 80s. We may even tie or beat the record low for this date. We’ll keep you posted.
See the Washington Post Current Weather
Tomorrow (Sunday): Like Saturday, temperatures will start dangerously cold and could reach the mid to high 90s Fahrenheit. Sunny mornings will be followed by cloudy afternoons, which may prevent record high temperatures. Combined with high humidity, temperatures could feel as high as 105 to 110 Fahrenheit. A few showers and storms are possible from the mid-afternoon onwards.
A few strong to severe storms are possible through the afternoon and late evening (see below). A slight breeze from the southwest could gust up to 20 mph at times, but the moisture-laden air won’t feel all that refreshing. Rain and storms will weaken a bit, but may continue into the early morning hours as the cold front slowly moves through. Temperatures will be in the 70s, and it won’t get any cooler than this.
Strong storms possible on Sunday
A cold front arriving Sunday night won’t necessarily bring colder air, but it could bring some strong to severe storms ahead of a drop in temperatures and humidity later in the week.
- Time: Afternoon to late evening
- Threat: Damage from wind gusts exceeding 57 mph
- Low probability of large hail, frequent lightning, brief heavy rain, weak tornadoes far north/northeast of town
To put this in perspective, your chances of being affected by a severe storm on Sunday are lower than your chances of experiencing the effects (let alone discomfort) of a dangerously high heat index.
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