The National Weather Service says several instances of flooding are possible Wednesday, especially in urban and poor-drainage areas and near vulnerable small creeks and streams.

The latest forecast:

Today: A chance of showers before 1 p.m., then a chance of showers and thunderstorms between 1 p.m. and 3 p.m., then showers likely and possibly a thunderstorm after 3 p.m. Cloudy, with a high near 76. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers likely and possibly a thunderstorm before 8 p.m., then a chance of showers and thunderstorms between 8 p.m. and 3 a.m., then a chance of showers after 3 a.m. Cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3 p.m., then showers likely and possibly a thunderstorm after 3 p.m. Cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night: Showers likely and possibly a thunderstorm before 9 p.m., then a chance of showers and thunderstorms between 9 p.m. and 3 a.m. Patchy fog after 3 a.m. Otherwise, mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers and thunderstorms after 3 p.m. Patchy fog before 9 a.m. Otherwise, partly sunny, with a high near 80. Chance of precipitation is 40%.

Friday Night: A chance of showers and thunderstorms before 9 p.m. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Saturday: A chance of showers and thunderstorms after 3 p.m. Mostly sunny, with a high near 82. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms before 9 p.m. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

Sunday: A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 50%.

Sunday Night: A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

Monday: A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.