Update: Tornado watch issued until 2 p.m.

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Highlights of today’s weather

  • A Watch the tornado is in effect until 2 p.m. and a flood watch is in effect all evening
  • Several series of storms are possible: the first around noon; a second towards the end of the afternoon until the beginning of the evening; and a third towards sunset or a little after. Storms can be more prevalent in the first and third rounds.
  • Storms can be severe, with torrential rain, lightning, damaging winds, hail, and possibly embedded tornado activity. The first round may be the most intense, but severe storms cannot be ruled out during the second and third rounds. Repeated downpours can lead to areas of flash flooding.
  • Storm updates will be added as severe weather develops immediately below. Forecasts for the holiday weekend can be found by scrolling further down.

6:40 a.m. – Tornado and flood warnings issued for the region

The National Weather Service has issued a tornado watch for much of the region until 2 p.m. Storms in southwest Virginia have already shown signs of spinning and triggered tornado warnings in that region. These storms – which may intensify – are expected to reach the Washington area between approximately 11 a.m. (in our southwestern regions), around noon in the Beltway area, and 1 p.m. east of Interstate 95 and around the Bay.

The storms will be capable of torrential rain, lightning, damaging wind gusts, hail, and possibly fast-moving tornadoes in a few locations.

“A gradual increase in thunderstorm intensity and coverage is expected to continue through the remainder of the morning,” writes the National Weather Service Storm Prediction Center. “A few tornadoes and scattered damage to locally severe gusts are possible.”

Remember that a tornado watch means the ingredients are in place for the possible development of tornadoes; they are not a guarantee. However, if a tornado warning is issued for your location, it means a storm capable of producing a tornado is imminent or a tornado has been detected. In an alert situation, take shelter at the lowest level of a solid building, in an interior room away from windows.

In addition to the risk of a severe thunderstorm and tornado, multiple rounds of heavy downpours could lead to flooding in some areas, triggering a flood watch. One to two inches of rain could fall in a short time and some areas could see more than three inches from the combined rounds of storms.

“Excessive runoff can cause rivers, creeks, streams, and other low, flood-prone locations to flood,” the weather service writes.

Remember that if water crosses a road, do not attempt to cross it as the water level is difficult to gauge. Turn around, don’t drown.

After the midday wave, scattered thunderstorms will be possible in the late afternoon, with a possible last round near or after sunset. These additional thunderstorms could also be severe.

We will add updates to this article as storms develop and move through the region and on our Twitter feed; the next update will probably be around 9 am

Detailed forecast from 5am

A somewhat subjective rating of today’s weather, on a scale of 0 to 10.

3/10: Difficult to obtain a higher note. Storms pose severe weather threats to the region: damaging winds, isolated flooding, large hail and even a tornado or two. Less sun equals less powerful storms.

  • Today: Strong to severe thunderstorms possible. Treble: Mid 70s to near 80s.
  • This evening: Stronger storms; evening flood? Low: low to mid-60s.
  • Tomorrow: Clearing in the morning, mostly sunny afternoon. Treble: Mid 70s to around 80s.
  • Sunday: Quite sunny. Treble: low to mid 80s.

Remember, when staying informed about the weather today, have more than one source for your severe weather warnings. Much of the East Coast is at risk for storms tonight, with multiple serious threats possible. After a bit more choppy weather tomorrow, our skies are clearing up nicely for Sunday through Memorial Day as the heat returns.

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Today (Friday): Showers are possible almost at any time. Thunderstorms may start to move in during the afternoon. Any sunny break in the clouds only heats up and creates more instability – fuel for later storms to be strong to severe. The more clouds the better, as far as I’m concerned – less chance of severe storms. More sunshine increases the chances of seeing damaging winds, large hail and even a few tornadoes. The humid mid-70s to near 80s (sunniest spots) is our high temperature range. Southerly winds could blow around 20 mph even outside of storms. Confidence: medium-high

This evening: Showers and gusty thunderstorms can last after midnight. Heavy rains can cause localized flooding, especially if storms repeatedly move over the same area and drop 2 inches or more of rain, rather than the nearly 1 inch expected for most places. Low temperatures peak in the low to mid-60s. Confidence: Medium-High

follow us on Youtube, Facebook, Twitter and instagram for the latest updates. Keep reading for predictions through next week…

Tomorrow (Saturday): The sky is partly sunny, with the clouds tending to dissipate during the day. A shower or a scattered thunderstorm cannot be ruled out in the afternoon. Slightly humid high temperatures aim for the mid-70s at around 80 degrees. Westerly breezes try to stay below 10 mph. Around dawn, look east to capture the conjunction of Mars and Jupiter. Confidence: medium

Tomorrow evening: The chances of showering disappear during the evening hours. Otherwise, the sky clears slowly. Low temperatures aim for the upper 50s to low 60s. Confidence: medium

Sunday: Skies can remain mostly sunny, so grab that sunscreen! The high temperatures heat up easily with the strong sunshine in May, heading down into the mid-80s with humidity under control. Confidence: medium-high

Sunday night: Skies should remain mostly clear. Low temperatures benefit from fairly calm winds and clearer skies – cooling more easily when this happens – dropping to the low to mid-60s. Confidence: Medium

Seasonally warm temperatures near the 90s and mid-90s are back for Memorial Day until Tuesday. The humidity does its best to stay moderate – so we can thread the beach weather needle without sweating too much away from the water! The sky should also remain sunnier than not for these barbecues. We’ll let you know if anything changes. Confidence: medium

NJ/Del./Md. beaches: Risk of thunderstorms Friday/Saturday (strong Friday night?), generally sunny Sunday/Monday. High temperatures in the mid upper 70s / low temperatures upper 50s to low 60s. Wave heights 1-3 feet and water temperatures range from 60-70.

Virginia/NC Beaches: Scattered thunderstorms Friday/Saturday (strong Friday night?), generally sunny Sunday/Monday. High temperatures in the low 80s/low temperatures in the mid to high 60s. Wave heights 1-3 feet and water temperatures low in the mid-70s.

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