INLAND EMPIRE METRO: High clouds at times but mostly clear Thursday night and Friday. Highs near 83. Daybreak lows around 53. Cooler Friday through the weekend. Showers Sunday night but more likely Monday.

MOUNTAINS: Partly cloudy and warmer with light winds. Resort-level highs Thursday and Friday mid 60s to mid 70s. Cooler over the weekend. Chance of rain beginning Sunday night into Monday.

DESERTS: High clouds clearing Thursday night. Light winds and warm. Highs through Friday from 76 through the 80s. Cooler over the weekend. A chance of showers Sunday night and Monday.

BEACHES: Partly cloudy through Friday. Highs around 70. A chance of showers Sunday through Monday night. Surf 3-4 feet and increasing. Water 59-67.

SUMMARY: All the players are getting into position for some significant rain throughout California.

KEY POINTS
• Dry conditions are in store through Sunday, with slight warming
• Rain is expected beginning late Sunday night and lasting until early Tuesday. Widespread rainfall is looking likely for Southern California
• Elevated Surf will impact the beaches for much of the next few days

Changes will start kicking in Friday as the marine layer reforms spreading cooler ocean air across the Southland through the weekend.

A Pacific storm system will impact all of California spreading rain southward Monday winding down on Tuesday. Highest rainfall totals will be in the San Bernardino Mountains where 1 to 1.5 inches of rain is possible. Lower amounts are predicted for the mountains of Riverside and San Diego counties.

Dry and warmer weather will round out the rest of next week.