Today...Partly cloudy. Isolated showers in the morning. Warmer. Highs 66 to 71 in the western valleys to 57 to 62 near the foothills. Areas of winds north 15 to 20 mph. Gusts to 35 mph in the afternoon. Chance of measurable precipitation 20 percent. Tonight...Partly cloudy in the evening...Becoming mostly clear. Lows 37 to 47 in wind sheltered areas to 48 to 54 in warmer locations. Areas of winds northeast 15 to 20 mph. Gusts to 30 mph. Friday...Mostly sunny. Highs 65 to 70 in the western valleys to 61 to 66 near the foothills. Light winds becoming west 15 mph with gusts to 25 mph in the afternoon. Friday Night...Mostly clear in the evening...Becoming partly cloudy. Patchy fog overnight. Lows 40 to 48. Light winds. Saturday...Partly cloudy in the morning...Becoming mostly sunny. Patchy fog in the morning. Highs 58 to 63. Light winds. Saturday Night...Partly cloudy in the evening...Becoming mostly cloudy. Patchy fog overnight. Patchy drizzle overnight. Lows 41 to 49. Sunday...Cloudy in the morning...Becoming partly cloudy. Patchy fog in the morning. Patchy drizzle in the morning. Highs 56 to 61 in the western valleys to 49 to 54 near the foothills. Sunday Night...Partly cloudy. Lows 37 to 46. Washington\'S Birthd...Partly cloudy. Highs 59 to 64 in the western valleys to 52 to 57 near the foothills. Monday Night...Partly cloudy. Lows 38 to 47. Tuesday...Partly cloudy. Highs 63 to 68 in the western valleys to 58 to 63 near the foothills. Tuesday Night...Partly cloudy. Lows 40 to 49.