Tonight: Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 68 at Hoover dam...Around 75 in laughlin. Northwest winds up to 10 mph shifting to the northeast after midnight.

Day: Mostly sunny with a 20 percent chance of thunderstorms. Highs around 88 at Hoover dam...Around 95 in laughlin. Northeast winds up to 10 mph shifting to the south in the afternoon.

Night: Partly cloudy. Lows around 71 at Hoover dam... Around 77 in laughlin. South winds up to 10 mph.

Day: Sunny. Highs around 92 at Hoover dam...Around 99 in laughlin. South winds up to 10 mph.

Night: Mostly clear. Lows around 70 at Hoover dam... Around 76 in laughlin. South winds up to 10 mph.

Day: Sunny. Highs around 90 at Hoover dam...Around 97 in laughlin.

Night: Partly cloudy. Lows around 70 at Hoover dam... Around 76 in laughlin.

Day: Mostly clear. Highs 91 to 94 at Hoover dam...99 to 102 in laughlin. Lows 70 to 73 at Hoover dam...Around 80 in laughlin.

Day: Mostly clear. Highs 91 to 94 at Hoover dam...99 to 102 in laughlin. Lows 70 to 73 at Hoover dam...Around 80 in laughlin.

Day: Mostly clear. Highs 91 to 94 at Hoover dam...99 to 102 in laughlin. Lows 70 to 73 at Hoover dam...Around 80 in laughlin.

Day: Mostly clear. Highs 91 to 94 at Hoover dam...99 to 102 in laughlin. Lows 70 to 73 at Hoover dam...Around 80 in laughlin.