SAN DIEGO (FOX 5/KUSI) — As relative humidity levels drop as low as 10-20% in San Diego County on Sunday afternoon, the second Santa Ana wind event blows into the region since the start of the water year.

Gusts will reach between 25-40 miles per hour in the coastal slopes and downwind passes.

Strong winds, dry conditions, and heat nearly 20 degrees above seasonal averages mean there's an elevated fire risk through the evening.

Places like Julian, Ramona, and Clover Flat will see the highest risk for rapidly spreading fires if one were to ignite.

High temperatures across the county climb to 12-17 degrees above average until Monday.

Areas of minor to moderate heat risk can be expected before a cooldown moves in later this week.

Overnight, dense fog remains in the forecast with reduced

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