Tonight...Mostly cloudy with a 20 percent chance of showers. Widespread dense fog. Visibility one quarter mile or less at Times. Lows in the upper 50s. Southwest winds 5 to 10 mph. Wednesday...Mostly cloudy. A slight chance of showers in the morning...Then a slight chance of showers and thunderstorms in the afternoon. Widespread dense fog in the morning with visibility one quarter mile or less at Times. Highs in the lower 70s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Wednesday Night...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Thursday...Mostly cloudy. A chance of thunderstorms with a slight chance of showers in the morning...Then a chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 60s. South winds 15 to 20 mph. Chance of rain 50 percent. Thursday Night...Showers likely with a chance of thunderstorms. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. Friday...Mostly cloudy with a 50 percent chance of showers. Highs around 70. Friday Night...Mostly cloudy with a chance of showers in the evening...Then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 30 percent. Saturday...Sunny. Highs in the lower 60s. Saturday Night...Partly cloudy in the evening...Then becoming mostly clear. Lows around 50. Sunday...Mostly sunny. Highs in the mid 60s. Sunday Night...Partly cloudy in the evening...Then clearing. Lows in the lower 50s. Memorial Day...Mostly sunny. Highs in the mid 60s. Monday Night...Partly cloudy in the evening...Then becoming mostly clear. Lows in the lower 50s.