Active AlertsBel Marin Keys, CA

What: For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Cold Weather Advisory, cold conditions with temperatures as low as 36 expected.
Where: North Bay Interior Valleys.
When: For the Dense Fog Advisory, until 10 AM PST Tuesday. For the Cold Weather Advisory, from 1 AM to 9 AM PST Tuesday.
Impacts: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Low visibility could make driving conditions hazardous.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If commuting, allow extra drive time to reach your destination safely.

What: For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Cold Weather Advisory, cold conditions with temperatures as low as 36 expected.
Where: North Bay Interior Valleys.
When: For the Dense Fog Advisory, until 10 AM PST Tuesday. For the Cold Weather Advisory, from 1 AM to 9 AM PST Tuesday.
Impacts: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Low visibility could make driving conditions hazardous.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If commuting, allow extra drive time to reach your destination safely.