Honolulu faces frequent showers Sunday, a flood watch through Tuesday and rapidly rising surf as Hurricane Lowell approaches the island chain.

Rain and thunderstorms are headed for Las Vegas Sunday before sunny Labor Day weather and another round of triple-digit heat.

San Francisco gets a sunny but breezy Sunday before temperatures climb through Wednesday. Dangerous surf conditions remain along Pacific Coast beaches through Monday evening.

San Jose expects a sunny Sunday, followed by warmer conditions through midweek. Beachgoers face a separate sneaker-wave threat through Monday.

San Diego stays around or slightly below seasonal averages Sunday after a slight chance of morning showers. Along the coast, dangerous surf and coastal flooding concerns continue through Tuesday.

Sunday’s forecast brings rain, possible thunderstorms and dangerous surf to Los Angeles before a sharp warmup takes over the week.

Phoenix will hit 105 degrees Sunday before Labor Day climbs to 106. Triple-digit heat continues through Tuesday, with storm chances rising late week.

Portland gets a wet, cool Sunday before sunshine takes over for Labor Day. Temperatures then climb into the mid-80s by Wednesday.

Seattle gets a sunny Sunday and mild Labor Day before temperatures climb midweek. A slight chance of rain returns Friday evening.

Cleveland’s holiday weekend looks mostly sunny and comfortable, but heat and storm chances return by Wednesday.

Atlanta faces a 93-degree Sunday, heat index values up to 105 and potentially severe afternoon storms. Labor Day brings cooler, breezier weather.

Orlando gets a sunny start Sunday before afternoon storms arrive, with a 103-degree heat index and a wetter Labor Day week ahead.

Oklahoma City will reach around 99 degrees Sunday, while a Heat Advisory was in effect Friday and overnight lows remain in the upper 70s.