! ! ! ! NEVADA Eureka Sacramento San Joaquin Valley San Francisco Bay Area Kern Fresno Siskiyou Tulare Lassen Mono Shasta Modoc Trinity Humboldt Tehama Monterey Mendocino Butte Madera Lake Merced Kings Yolo Glenn Placer Sonoma Colusa Mariposa Plumas El Dorado Stanislaus Napa San Benito Yuba Solano San Joaquin Santa Clara Del Norte Nevada Calaveras Sutter Marin Alameda Sierra Sacramento Amador Tuolumne Contra Costa Alpine San Mateo Santa Cruz San Francisco 271 285 216 274 219 217 268 283 278 201 284 280 518 276 215 299 267 221 277 213 517 212 264 281 220 272 211 204 214 282 298 269 266 507 511 506 218 279 510 202 512 508 263 528 270 203 516 513 505 530 529 509 006 579 580 596 597 591 590 592 593 594 595 NORTHERN CALIFORNIA FIRE WEATHER ZONE BOUNDARIES NATIONAL WEATHER SERVICE WESTERN REGION MARCH 2020 IDP GIS County Boundary Fire Zone Boundary Weather Forecast Office !