16-03-2025
Baltimore weather: Rain and thunderstorms possible on St. Patrick's Day weekend; downtown road closures planned
Mar. 15—Foggy and cloudy conditions in Baltimore on Saturday will give way to rain and potential thunderstorms Sunday, according to the National Weather Service.
Saturday will start with patchy drizzle and fog before 11 a.m. with a high near 54 and southeast wind of 5 to 9 mph. More fog is predicted for the evening between 11 p.m. and 3 a.m. Otherwise, it will be mostly cloudy with a low around 54.
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There is a 90% chance of showers Sunday and possibly a thunderstorm after 2 p.m. The high will be 69 and windy, with gusts up to 23 mph. The scheduled St. Patrick's Day parade and Shamrock 5K race typically proceed rain or shine, but the parade's organizers are monitoring the weather for thunderstorms, it said on Facebook. Rain and another potential thunderstorm are forecast for the evening, with more patchy fog, 20 mph wind gusts, and a low of around 53.
There will be temporary road closures Sunday and parking restrictions in effect for the Shamrock 5K Run and the Baltimore Street Patrick Parade. The race will begin along Charles Street south of Mulberry Street beginning at 1 p.m. Participants will proceed south on Charles Street, east on Conway Street, south on Light Street and east on Key Highway. Runners will turn around at Jackson Street and proceed westbound on Key Highway, north on Light Street and then east on Pratt Street. Participants will then turn left onto Market Place to finish.
Key Highway will be closed to through traffic at Lawrence Street starting at approximately 12:30 p.m. for the duration of the 5K.
The parade begins at 2 p.m. and will start from the intersection of North Charles and Centre Streets. The parade will proceed south on Charles Street and east on Pratt Street to the disband area along Market Place. In addition, Key Highway will be closed to through traffic at Lawrence Street starting at approximately 12:30 p.m. for the duration of the 5K Run.
The following road closures will also be implemented for these events on Sunday starting at approximately 11:30 a.m. with detours and parking restrictions in effect:
— Market Place from Pratt to Water Streets
— Water Street from Frederick Street to Market Place
— Charles Street from Madison Avenue to E. Pratt Street
— Mt. Vernon Place from Cathedral to St. Paul Streets (both sides)
— Centre Street from Park Avenue to St. Paul Street
— Mulberry Street from Park Avenue to Lovegrove Street (south side)
— Pratt Street from Howard to President Streets
— Key Highway will be closed to through traffic at Lawrence Street starting at approximately 12:30 p.m. for the duration of the 5K Run (access for local traffic will be maintained)
— Lombard Street closed from President Street to Market Place from approximately 1:00 p.m. to 2:30 p.m.
Transportation Enforcement Officers will assist the Baltimore City Police with traffic in the downtown area. Motorists traveling in this vicinity may experience delays and are encouraged to use alternate routes.
The beginning of the workweek is forecast to be rainy with a 30% chance of precipitation most likely before 2 p.m. and a high near 61 on Monday. Tuesday is expected to be sunny and warm with a high of 66. The sun will continue to shine throughout Wednesday with warmer conditions and a high near 71.
Baltimore Sun reporters Dan Belson and Racquel Bazos contributed to this article. Have a news tip? Contact Todd Karpovich at tkarpovich@ or on X as @ToddKarpovich.
Originally Published:March 15, 2025 at 8:00 AM EDT
