ZF-Florida-FL 78 Monroe, Lower Keys Expires: Thursday, February 23, 2012 4:00 AM Eastern Standard Time TONIGHT: Mostly clear. Lows in the upper 60's. Southeast to south winds near 5 mph. THURSDAY: Mostly sunny. Highs near 80. South winds 5 to 10 mph. THURSDAY NIGHT AND FRIDAY: Mostly clear. Lows near 70. Highs in the lower 80's. Southeast to south winds near 10 mph. FRIDAY NIGHT: Becoming partly cloudy with a slight chance of showers. Lows near 70. South to southwest winds 5 to 10 mph. Chance of rain 10 percent. SATURDAY AND SATURDAY NIGHT: Partly cloudy with a slight chance of showers. Becoming breezy Saturday night. Highs in the upper 70's. Lows in the upper 60's. Chance of rain 20 percent both periods. SUNDAY THROUGH WEDNESDAY: Partly cloudy with a slight chance of showers. Highs in the upper 70's. Lows near 70. Chance of rain 10 percent each period. -eof-