Rain -- sometimes heavy -- that drenched southwestern Connecticut overnight is expected to continue falling periodically today and tonight, giving rise to possible coastal and flash flooding.

The National Weather Service has issued both a flash-flood warning through 8 p.m. today and a coastal-flood notice from 11 p.m. through 2 a.m. tomorrow.

With the threat of precipitation throughout most of the day, skies will remain cloudy and the daytime high temperature will rise to about 80 degrees. There will be an east wind 6 to 8 mph, becoming southwest in the afternoon.

Showers and thunderstorms are still possible tonight and through early-morning tomorrow as the temperature dips to a nighttime low in the mid-60s. Odds of nighttime precipitation are 60 percent, the NWS says.

Skies clear tomorrow, with temperatures rising to a high in the low-80s. Nighttime also should be clear and the temperature will register a low in the upper-50s.

On Thursday, skies will be mostly sunny, with a high temperature near 80 degrees. Nighttime will also be mostly clear, with a low temperature about 60 degrees.

Friday should be mostly sunny, with a high temperature near 80 degrees. Night skies turn partly cloudy, with a low temperature in the mid-60s.

The outlook for Saturday, according to the weather service, is partly sunny, with a high temperature in the mid-80s.