Periods of moderate to heavy rainfall tonight may result in localized flooding in poor drainage and urban areas.

Moderate to heavy rainfall Wednesday may result in localized flooding in poor drainage and urban areas.

ropical storm Joaquin is forecast to track somewhere northward off the mid-Atlantic coast late in the week. Depending on the track, another round of potentially heavy rainfall may result in additional flooding problems late this week or this weekend. Please continue to monitor the latest forecasts for this system from the National Hurricane Center.

The forecast:

Today: Showers likely, mainly after 3pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 77. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night: Showers, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall. Low around 67. Northeast wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Wednesday: Showers. High near 69. North wind 7 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night: Rain likely. Cloudy, with a low around 53. North wind 13 to 16 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: A chance of rain. Cloudy, with a high near 59. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night: A chance of rain. Cloudy, with a low around 48. Chance of precipitation is 50%.

Friday: Rain likely. Cloudy, with a high near 57. Chance of precipitation is 60%.

Friday Night: Rain likely. Cloudy, with a low around 49. Chance of precipitation is 60%.

Saturday: A chance of rain. Cloudy, with a high near 62. Chance of precipitation is 50%.

Saturday Night: A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

Sunday: A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.