Tonight...Partly cloudy. Lows 37 to 42. East wind under 10 mph in the evening becoming light. Saturday...Mostly sunny. Highs around 60 on the west side of the valley...Around 67 on the east side. Winds generally light becoming southeast up to 10 mph in the afternoon. Saturday Night...Partly cloudy early in the evening...Then mostly cloudy with a 40 percent chance of rain showers in the late evening and overnight. Lows around 45 on the west side of the valley... Around 50 on the east side. South wind 10 to 15 mph. Sunday...Partly sunny with a 20 percent chance of rain showers. Highs around 53 on the west side of the valley...Around 60 on the east side. Northwest wind 10 to 15 mph. Sunday Night...Partly cloudy. Lows around 39 on the west side of the valley...Around 43 on the east side. Northwest wind 10 to 15 mph. Washingtons Birthday...Mostly sunny. Highs 50 to 54. Monday Night...Partly cloudy. Lows 36 to 40. Tuesday...Mostly sunny. Highs 55 to 59. Tuesday Night...Partly cloudy. Lows 43 to 47. Wednesday...Mostly sunny. Highs 66 to 70. Wednesday Night...Mostly clear. Lows 46 to 50. Thursday...Sunny. Highs 65 to 70. Thursday Night...Mostly clear. Lows 47 to 51.