Tonight: Mostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms in the evening...A slight chance of thunderstorms after midnight. Lows around 51 on the north rim to around 63 along the Colorado River. Light winds. Chance of precipitation 50 percent.

Day: Not as warm. Partly cloudy with a chance of rain showers and a slight chance of thunderstorms in the morning... Mostly cloudy with a chance of thunderstorms in the afternoon. Highs around 66 on the north rim to around 91 along the Colorado River. Light winds becoming southeast around 15 mph in the afternoon. Chance of precipitation 50 percent.

Night: Partly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening...A slight chance of rain showers after midnight. Lows around 53 on the north rim to around 63 along the Colorado River. Light winds. Chance of precipitation 30 percent.

Day: Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the morning...Rain showers likely and a chance of thunderstorms in the afternoon. Highs 69 to 79. Light winds. Chance of precipitation 70 percent.

Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 48 to 58. Light winds. Chance of precipitation 50 percent.

Day: Mostly cloudy with rain showers likely and a chance of thunderstorms. Highs around 59 on the north rim to around 84 along the Colorado River. Chance of precipitation 60 percent.

Night: Partly cloudy with a 10 percent chance of thunderstorms. Lows around 49 on the north rim to around 60 along the Colorado River.

Day: Mostly sunny in the morning then becoming partly cloudy. Highs around 64 on the north rim to around 88 along the Colorado River.

Night: Partly cloudy. Highs around 66 on the north rim to around 91 along the Colorado River. Lows around 51 on the north rim to around 62 along the Colorado River.

Day: Partly cloudy. Highs around 66 on the north rim to around 91 along the Colorado River. Lows around 51 on the north rim to around 62 along the Colorado River.

Day: Mostly clear. Highs around 67 on the north rim to around 92 along the Colorado River. Lows around 51 on the north rim to around 62 along the Colorado River.

Day: Mostly clear. Highs around 67 on the north rim to around 92 along the Colorado River. Lows around 51 on the north rim to around 62 along the Colorado River.