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DC-area forecast: Steamy 90s Thursday-Friday with storm chances

The Tidal Basin and Washington Monument at dusk. (Carter Shutler)
A calm Tidal Basin scene at dusk with orange clouds on the horizon and dark blue of growing darkness above. The Washington Monument sticks up on the right.
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Always a human at the helm: Updated around-the-clock by Capital Weather meteorologists.

Happening now: Rain has ended other than the chance of a stray evening shower. Muggy 70s this evening.

What’s next? Hot-and-humid 90s tomorrow and Friday with potential for late-day storms, some could be severe. We should trend drier for the weekend, and not quite as hot or humid.

Forecast in detail

Tonight: Just the chance of a stray shower the rest of this evening. We're left with a super muggy night and lows in the low 70s. Fog may develop, especially late night and through sunrise. Confidence: Medium-High

Tomorrow (Thursday): Any fog dissipates early. Partly to mostly sunny as we turn up the heat with highs in the low to mid-90s. Still very humid as well with the afternoon heat index peaking near and above 100. It looks like just the chance of an isolated shower or storm during the afternoon. Confidence: Medium

Tomorrow night: The chance of scattered showers and storms increases after 6 or 7 p.m. Any storms that develop have a chance to turn severe with potential for damaging winds. Rain chances diminish by around midnight, followed by muggy overnight lows in the low to mid-70s. Confidence: Medium

A look ahead

Even a touch hotter Friday, and continued very humid, with highs in the mid-90s and the heat index reaching near 105. Showers and thunderstorms are once again a concern during the afternoon into evening and look to be more numerous than Thursday. Those that develop have some potential to be severe. A cold front comes through Friday night, knocking humidity down to a more reasonable level, with lows in the mid-60s to near 70. Confidence: Medium

The weekend brings a nicely timed break in rain chances, although we can't rule out a shower or storm toward evening on Sunday. We should take a bit of the edge off the heat, but it's still plenty warm both days with highs in the upper 80s to low 90s. Meanwhile the humidity looks noticeably lower (dew points near 60). Confidence: Medium

Sunrise reflecting off the Reflecting Pool in front of the Washington Monument.
Saturday's sunrise from the Lincoln Memorial. (Brian Paeth/Flickr)

On this day

DC weather history for June 10

Severe storms in 2013 brought record rainfall, flash flooding, and a confirmed tornado in the region.

Sunrise5:43 AMSunset8:34 PM
Avg High84°Avg Low66°
Rec High100° 1964Rec Low46° 1913Rec Rain2.77" 2013
Read full June 10 weather history →

Today’s daily digit — 6/10: Rain chances, temperatures, and humidity are all higher. But not as hot as it will be Thursday and Friday. | 🤚 Your call?
The digit is a somewhat subjective rating of the day’s weather, on a 0-to-10 scale.

Ian Livingston contributed to this report.

Dan Stillman

Dan Stillman

Lead meteorologist and Capital Weather cofounder. Leader in marketing, communications and engagement.

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