Yolo County

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 118,636 acres · 117,521 state, 1,115 local 18%
  2. High 78,292 acres · 44,252 state, 34,040 local 12%
  3. Moderate 20,867 acres · 17,382 state, 3,485 local 3%
  4. Non-wildland 404,924 acres · Local Responsibility Area 62%
  5. Not mapped by CAL FIRE 31,232 acres · Mostly federal land 5%

  653,950 acres of land in all, 179,154 in the State Responsibility Area and 443,564 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

• Fire history

  The 10 largest of 95 fires that burned here

  Map
  1. 2020 Hennessey Fire 305,352 acres in total · Cause: Lightning 75,646 acres here
  2. 2018 County Fire 89,831 acres in total 57,112 acres here
  3. 2006 Zam Assist Fire 13,967 acres here
  4. 1972 Pocket Gulch Fire 10,406 acres here
  5. 1981 Langes Peak Fire 14,448 acres in total · Cause: Arson 8,155 acres here
  6. 1999 Sixteen Fire 37,893 acres in total · Cause: Arson 7,953 acres here
  7. 2014 Monticello Fire Cause: Miscellaneous 6,599 acres here
  8. 2004 Rumsey Fire 38,763 acres in total · Cause: Arson 6,083 acres here
  9. 1985 Bald Mt. Fire 5,918 acres here
  10. 1988 Blue Fire 5,964 acres in total 5,815 acres here

  And 85 smaller fires. The most recent was the 2021 Creek West Fire, which burned 18 acres here. In all, 129,811 acres of Yolo County have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history