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San Diego's Weather Forecast for January 7, 2025: Critical fire danger and damaging Santa Ana winds

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Strong winds and dry conditions will dominate the region through Thursday, increasing fire danger, especially along the foothills, valleys, mountains, and coastal areas. A low-pressure system will bring cold temperatures and significant wind activity, with peak gusts reaching up to 70 mph.

Key Weather Impacts:

  • High Winds
    • Sustained winds: 25-50 mph.
    • Peak gusts: Up to 70 mph in wind-prone areas.
    • High Wind Warning: In effect Tuesday 4 PM through Wednesday 6 PM for areas from coastal north county to the mountains.
  • Fire Danger:
    • Low humidity: Dropping to single digits in some areas.
    • Dry vegetation: Fuels fire risk due to one of the driest winters on record.
    • Red Flag Warning: Fire risk remains high through Thursday.
  • Hazards:
    • Potential for downed trees and power lines likely.
    • Increased risk for rapid fire spread.

Timing:

  • Peak Winds and Fire Danger: Tonight through Wednesday morning.
  • Brief Sea Breeze: Returns late Friday into Saturday.
  • Weaker Santa Ana Winds: Expected Sunday and lasting into next week.

Temperature Outlook:

  • Coast and Valleys: Warmer than normal, highs in the 60s and 70s.
  • Mountains: Afternoon highs in the 50s and 40s; morning lows in the 30s.
  • Deserts: Highs near 70°F.

Drought Conditions:

  • San Diego is experiencing the third driest start to the water year (since October 1).
  • Santa Ana wind season continues through February, potentially lingering into March. Fire danger will intensify without significant rainfall.

Preparedness Tips:

  • Create Defensible Space: Clear vegetation around your home.
  • Review Evacuation Plans: Ensure your household is prepared.
  • Emergency Kit: Include medicines, supplies, and food for children and pets.

Stay alert and informed as conditions evolve.

Tuesday's Highs:
Coast: 66-71°
Inland: 63-73°
Mountains: 53-60°
Deserts: 68-72°

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