Tonight...Partly cloudy with a 10 percent chance of thunderstorms and rain showers in the evening...Clear after midnight. Some thunderstorms May produce gusty winds in the evening. Lows around 47 on the plateau to around 52 along the Colorado River. West winds around 15 mph with gusts up to 25 mph early in the evening...Becoming light and variable. Sunday...Mostly sunny. Highs around 70 on the plateau to around 76 along the Colorado River. Light and variable winds...Becoming west 15 to 20 mph in the afternoon. Sunday Night...Clear. Lows around 43 on the plateau to around 52 along the Colorado River. West winds around 15 mph with gusts up to 30 mph in the evening...Becoming light and variable. Monday...Mostly sunny. Highs 67 to 75. North winds around 15 mph. Monday Night...Clear. Lows 37 to 45. Light and variable winds. Tuesday...Breezy. Mostly clear. Highs around 75 on the plateau to around 82 along the Colorado River. Lows 46 to 51 on the plateau to 51 to 56 along the Colorado River. Wednesday...Breezy. Mostly clear. Highs around 75 on the plateau to around 82 along the Colorado River. Lows 46 to 51 on the plateau to 51 to 56 along the Colorado River. Thursday...Breezy. Mostly clear. Highs around 75 on the plateau to around 82 along the Colorado River. Lows 46 to 51 on the plateau to 51 to 56 along the Colorado River. Friday...Breezy. Mostly clear. Highs around 75 on the plateau to around 82 along the Colorado River. Lows 46 to 51 on the plateau to 51 to 56 along the Colorado River.