California wildfires

Williams Fire

ActiveYolo County, California2026Wildfire

The Williams Fire was reported on September 19, 2026 in Yolo County, California and has burned 0 acres.

Size
0 acres
Contained
Not reported
Discovered
September 19, 2026

Map

No perimeter has been mapped for this fire; the map shows its point of origin. Point of origin 38.726, -122.064.

Live radar at the fire Forecast for Esparto

The incident

Size
0 acres
Containment
Not reported
Discovered
September 19, 2026 at 3:41 AM PDT
Cause
Undetermined
County
Yolo County
State
California
Protecting agency
CAL FIRE
Land ownership at origin
Private
Incident type
Wildfire
Unique fire identifier
2026-CALNU-016646
IRWIN identifier
2B74D025-6831-40FA-BDD3-812103C32A36

Weather at the fire

  • Wind up to 5 mph from the northeast
  • Relative humidity as low as 36%
  • High of 84°F

National Weather Service hourly forecast for the fire’s point of origin, next 24 hours.

Full forecast for Esparto, CA

Alerts in force

Red Flag Warnings and Fire Weather Watches covering the fire's point of origin.

No Red Flag Warning or Fire Weather Watch is in force at the fire.

Smoke

NOAA’s Hazard Mapping System analysts have not drawn smoke over the fire’s origin today.

NOAA’s smoke model forecasts near-surface smoke at the origin peaking at 0.7 µg/m³ around Mon, 5:00 AM PDT over the next 48 hours.

Smoke and fire layers on the radar

Nearby

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Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated September 19, 2026 at 6:53 AM PDT. Identifier 2026-CALNU-016646.