The National Weather Service has issued a tornado warning for the region until 5 p.m.

Take shelter in a basement or interior room on the lowest floor of a building.

If you are outdoors, in a mobile home or in a vehicle, move to the closest substantial shelter.

Several instances of flooding are possible tonight, especially in urban and poor-drainage areas and near vulnerable small creeks and streams.

Here’s the latest forecast:

This Afternoon: Showers and thunderstorms. Some storms could be severe, with large hail, damaging winds, and heavy rain. High near 75. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms, mainly before 11 p.m. Some of the storms could be severe and produce heavy rainfall. Low around 62. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph.

Friday Night: Clear, with a low around 51. Northwest wind 5 to 10 mph.

Saturday: Sunny, with a high near 77. West wind around 5 mph.

Saturday Night: Mostly clear, with a low around 55.

Sunday: A chance of showers, with thunderstorms also possible after 2 p.m. Partly sunny, with a high near 78. Chance of precipitation is 50%.

Sunday Night: A chance of showers and thunderstorms before 2 a.m. Partly cloudy, with a low around 57. Chance of precipitation is 40%.

Monday: Sunny, with a high near 79.

Monday Night: Partly cloudy, with a low around 56.

Tuesday: A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.

Tuesday Night: A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.