SOUTH LAKE TAHOE, Calif. – The chance for scattered thunderstorms continues to start the week across the Sierra Nevada. The week also starts with above normal temperatures but ends with more seasonal 70s in South Lake Tahoe.

Expect light winds to stronger westerlies. Western Nevada could see heat risks and possible fire weather. Graduation at South Tahoe High School should be 70 degrees and sunny.

The forecast from the National Weather Service in Reno for South Lake Tahoe:

Monday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 53. Southwest wind 5 to 10 mph.

Wednesday

Sunny, with a high near 72. Southwest wind 5 to 10 mph.

Wednesday Night

Clear, with a low around 48.

Thursday

Sunny, with a high near 71.

Thursday Night

Clear, with a low around 47.

Friday

Sunny, with a high near 70.

Friday Night

Mostly clear, with a low around 47.

Saturday

Sunny, with a high near 72.

Saturday Night

Mostly clear, with a low around 49.

Sunday

Sunny, with a high near 72.