The current red flag warning for Northern California will expire at 8 p.m.

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The warning was issued for South-Central Shasta County Including Redding Metro, Northern Sacramento Valley in Tehama County, Central Glenn County Including Interstate 5, Eastern Glenn County, Butte County Below 1000 ft, Central Colusa County Including Interstate 5, Eastern Colusa County, Sutter and Yuba counties Below 1000 ft, Western Yolo County Including Capay Valley and Interstate 505, Central Yolo and Northeast Solano counties Including Woodland and Davis, Sacramento Metro and Western El Dorado and Amador counties, Central Solano County Including Fairfield and Vacaville, Southwestern Solano County Including Vallejo, Sacramento County Delta, San Joaquin County Delta, Central San Joaquin County Including Stockton Metro, Tracy Triangle Below 1000 ft, Northeastern San Joaquin Valley Below 1000 ft, Western Stanislaus County Below 1000 ft Including Interstate 5 and Central Stanislaus County Including Modesto Metro.

"Northerly winds have diminished, therefore the Red Flag Warning for the Sacramento Valley, Delta and northern San Joaquin Valley will expire at 8 p.m.," according to the NWS Sacramento CA.

The warning is in effect until 8 p.m.

Source: The National Weather Service

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This story was originally published May 18, 2026 at 7:55 PM.