Tonight — Clear. Lows in the upper 40s. Northwest winds 5 to 10 mph.

Wednesday — Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. Wednesday night — Clear. Lows around 50. West winds 5 to 10 mph.

Thursday — Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 25 mph. Thursday night — Mostly clear. Lows in the upper 50s.

Friday — Mostly sunny. Highs in the upper 80s. Friday night — Mostly clear. Lows in the mid 60s.

Saturday — Partly sunny. Highs in the upper 80s. Saturday night — Partly cloudy. Lows in the lower 60s.

Sunday — Partly sunny. Highs in the mid 80s. Sunday night — Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 40 percent.

Labor Day — Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 40 percent.

NATION: Temperatures in the lower 48 states ranged Monday from a morning low of 30 degrees at South Lake Tahoe, Calif., to a high of 106 degrees at Palm Springs, Calif.