Central Valley under a red flag warning Wednesday and Thursday, says the NWS

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A red flag warning was issued by the NWS Sacramento CA on Monday at 9:18 a.m. valid from Wednesday 11 a.m. until Thursday 5 p.m. The warning is 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 and Central Yolo and Northeast Solano counties Including Woodland and Davis.

The NWS states that the warning was issued for gusty winds and low humidity. Winds are expected to be north winds 15 to 25 mph. Gusts 30 to 40 mph, strongest along the far western Sacramento Valley and humidity daytime minimum humidities of 9 to 15%; Overnight maximum relative humidities 25 to 50%.

"The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended," explains the NWS.

This warning is in effect until Thursday at 5 p.m.

What is the significance of a red flag warning?

A red flag warning implies that either extreme fire weather conditions are currently taking place or will occur shortly, according to the NWS. Warm temperatures, very low humidities, and stronger winds are expected to combine to produce an increased risk of fire to spread rapidly.

What steps should you follow during a red flag warning?

During a red flag warning, it is crucial to exercise extreme caution and be prepared to take immediate action in case a fire starts. The NWS offers these steps you can take to lower the risk of fires igniting and ensure your safety:

1. Bolster burn barrel safety:

If burning is authorized in your vicinity, ensure that all burn barrels feature a weighted metal cover with holes no larger than 3/4 of an inch.

2. Mindful handling of smoking materials:

Prudently discard cigarette butts and avoid flinging cigarettes or matches from a moving vehicle. These seemingly innocuous actions can kindle dry grass, potentially triggering a wildfire.

3. Prudent fire extinguishing practices:

To safeguard against accidental fires, diligently extinguish all outdoor fires. Drown them with an ample amount of water and stir to confirm that everything is cold to the touch. Submerge charcoal in water until it's thoroughly cooled. Never dispose of live charcoal on the ground.

4. Never leave fires unattended:

Refrain from leaving any fire unattended. Even minor parks or embers might be carried into leaves or grass, kindling a fire that can swiftly expand.

Understanding the gravity of a red flag warning and adhering to these precautions is pivotal in mitigating the risk of wildfires during these perilous conditions. Prioritize safety, stay well-informed, and act responsibly to safeguard lives and property.

Source: The National Weather Service

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This story was originally published June 8, 2026 at 9:21 AM.