Scattered showers in the D.C. region will draw to a close by Thursday evening after a day of cloudy skies and unseasonably warm temperature highs. It was exceptionally humid for late September with dew points in the low 70s, according to 7News First Alert Senior Meteorologist Brian van de Graaff.
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There was a lull in precipitation midday Thursday before another round of showers and storms was expected to develop during the afternoon and evening hours. A tornado warning was temporarily in effect for Waterford in northeastern Loudoun County, Virginia. A severe thunderstorm warning is in effect for central Montgomery County in Maryland until 6:45 p.m. WTOP meteorologist Mike Stinneford reported that the storm is moving at up to 35 mph and is moving east. Pea-sized hail and damaging wind gusts are likely. The National Weather Service said a severe thunderstorm that’s capable of producing a tornado could touch down in rural areas. They recommend moving to the lowest level of your home and staying off the roads. Stinneford reported around 6:25 p.m. that the storm was moving toward eastern Maryland as a supercell with some rotation. Pockets of heavy rain and gusty winds are possible, according to 7News First Alert Meteorologist Steve Rudin. The weather service’s Storm Prediction Center has put the D.C. region in Level 1 out of 5, or “marginal” risk, for the threat of damaging wind gusts as well as flash flooding. Outside possible storms, plan for clouds and “tropical humidity,” Rudin said. Mild and muggy conditions stay in the forecast overnight into Friday with lingering showers dotting the radar. Friday will be the last wet day of the work week with drier weather coming just in time for the weekend, the weather service said. Skies will be brighter and it will be less humid with highs in the low 80s on Friday. Through the afternoon into the evening, light winds and humidity will combine to create some patchy fog around the region.
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Full forecast
THURSDAY: Mostly cloudy; scattered showers, storms Highs: 78-84 Winds: Southwest 5-15+ mph Any storms that develop will draw to a close this evening. The Storm Prediction Center still has the area in the Level 1 out of 5 ‘marginal’ risk category for the threat of damaging wind gusts. While not at zero, the tornado risk remains very low. Severe weather is NOT a slam dunk for all neighborhoods. THURSDAY NIGHT: Mostly cloudy with isolated showers Lows: 65-71 Winds: Light Mild and muggy conditions are expected overnight with lingering showers dotting radar. Areas of patchy fog are possible with continued high humidity.FRIDAY: Partly sunny Highs: Low 80s Winds: Northwest 5-10 mph Skies will be a bit brighter to round out the week with a touch less humidity compared to Thursday. It will still have a summery feel with warm afternoon highs in the low 80s. At this point, the weather is trending dry and warm for your Friday night plans.SATURDAY: Mostly cloudy with afternoon rain Highs: Mid 70s Winds: Northeast 5-10 mph Clouds are set to win the day with more rain in the forecast. Temperatures will be in the mid 70s with continued high humidity for this time of year. Rain chances are highest during the afternoon and evening hours.SUNDAY: Mostly cloudy with scattered showers Highs: 70s Winds: Northeast 5-10 mph Clouds and rain chances continue, so keep the rain gear on hand all weekend.
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