A frost advisory is in effect from 1 a.m. to 8 a.m. Sunday for Carbon and Monroe counties. Patchy frost could also occur Sunday night, then warm temperatures will return next week.

Temperatures between 32 and 36 degrees will result in frost formation.

Frost could kill sensitive outdoor vegetation if left uncovered.

The latest forecast:

Tonight: Patchy frost after 1 a.m. Otherwise, clear, with a low around 36. North wind around 5 mph.

Sunday: Patchy frost before 9 a.m. Otherwise, sunny, with a high near 59. Northeast wind 5 to 10 mph.

Sunday Night: Patchy frost after 4 a.m. Otherwise, clear, with a low around 35. Calm wind becoming northeast around 5 mph.

Monday: Patchy frost before 8 a.m. Otherwise, sunny, with a high near 63. Northeast wind around 5 mph.

Monday Night: Clear, with a low around 37. Calm wind.

Tuesday: Sunny, with a high near 69.

Tuesday Night: Mostly clear, with a low around 50.

Wednesday: Sunny, with a high near 76.

Wednesday Night: Mostly clear, with a low around 51.

Thursday: Sunny, with a high near 77.

Thursday Night: Partly cloudy, with a low around 53.