Update: As of 2:45 this afternoon, the weather has begun to destabilize. From Alert Montgomery via Altert Gaithersburg:
The National Weather Service has issued a TORNADO WATCH for Montgomery County effective immediately. Thunderstorms have formed West of the County, and are rapidly intensifying and moving East. Atmospheric conditions are favorable for tornadic development in some of these storms. Lightning, heavy rain, and hail are also possible.
THOSE WITH OUTDOOR PLANS THIS EVENING SHOULD KEEP AN EYE ON THE SKIES AND REMAIN ALERT FOR THREATENING WEATHER. LIGHTNING IS THE NUMBER ONE WEATHER KILLER IN THE US. RESIDENTS SHOULD REMAIN ALERT FOR ADDITIONAL WARNINGS AND BE PREPARED TO TAKE ACTION!!!
Be prepared. Tornadoes can form from severe thunderstorms with little or no advanced warning. Know your safe room in your home, at school, and at work. If driving and a tornado is spotted, leave your car immediately and move to shelter or a low lying area. Do not use highway overpasses as shelters. Remain alert for the issuance of warnings.
SKYWARN activation has been requested and spotters are asked to relay any damage reports to the Montgomery County Office of Emergency Management and the National Weather Service.
AL
According to the National Weather Service forcast as of 11:00 am today, it should be a typical 4th, warm with a chance of thunderstorms:
Independence Day: A chance of showers and thunderstorms, mainly after 4pm. Partly cloudy, with a high near 84. South wind between 14 and 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind between 13 and 17 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
From the City’s website:
Bring a blanket, bring a picnic and bring the whole family to enjoy the City of Gaithersburg Independence Day Celebration on Wednesday, July 4. Gates to the Montgomery County Fairgrounds open at 5 p.m., and the folks from 97.1 WASH-FM will be on hand with some fun pre-concert games and activities at 6 p.m. A rollicking concert featuring the ever-popular band, Retrospect, starts at 7 p.m., followed by a few brief remarks from the Gaithersburg Mayor and City Council. The exciting fireworks display begins at dusk.
Walk in at Chestnut or Dalamar Streets; the Perry Parkway entrance to the Fairgrounds will be closed. No cars will be allowed in the Fairgrounds.
Food will be sold at the celebration. Absolutely NO alcoholic beverages, glass containers, rollerblades, skates, bikes, pets, or fireworks of any kind will be permitted.
In the event of rain, the fireworks only will be held on Thursday, July 5. The Montgomery County Fairgrounds is located at 16 Chestnut Street in Gaithersburg. For information please call 301-258-6350 or parksrec@gaithersburgmd.gov.












