Buckle up for what’s shaping up to be a wild weather day.
Arlington and much of the D.C. area is now under a Severe Thunderstorm Watch and a Flood Watch. The former was issued just after 2 p.m. and will remain in effect until 10 p.m.
Forecasters say strong storms are possible this evening and should be more numerous than those that prompted the Severe Thunderstorm Watch yesterday (Tuesday). The storms may bring an extended period of torrential rainfall, which could cause flash flooding.
More watches and warnings are possible later today as the storms develop.
More, below, from the National Weather Service.
A Severe T-Storm Watch is in effect for the entire area until 10pm tonight. Damaging winds and instances of flash flooding are the main threats with storms along with lightning. Have a way to get warning via phone, tv, internet, or weather radio! https://t.co/Qs2AUBeYsn
— NWS Baltimore-Washington (@NWS_BaltWash) July 9, 2025
1151 AM EDT Wed Jul 9 2025
…FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING…
* WHAT…Flash flooding caused by excessive rainfall continues to be possible. […]
* WHEN…Through this evening.
* IMPACTS…Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS…
– Numerous showers and thunderstorms will move across the area this afternoon and evening. Rainfall rates of up to 3 inches per hour are possible, which may lead to scattered instances of flash flooding where the heavy rain persists the longest.
– Please visit www.weather.gov/safety/flood for flood safety and preparedness informationPRECAUTIONARY/PREPAREDNESS ACTIONS…
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
More on the flood threat, from the Capital Weather Gang:
🚨 JUST IN: D.C. now under Level 3 of 4 flash flood risk
⛈️ Storms likely heavier & more widespread than yesterday
🕓 Timing: 4–9 PM
🌊 NWS warns of “local significant” flooding
💧 Rainfall rates: up to 2–3” per hour
More info at: https://t.co/O5ePGELlht pic.twitter.com/zRDJ74CTEN— Capital Weather Gang (@capitalweather) July 9, 2025