The National Weather Service has issued A FLASH FLOOD WARNING for the following counties/areas: San Francisco; San Mateo, CA; at 5:56 AM on DEC 25, 2025 Effective until 9:00 AM. Message from IPAWSWEA.
ZCZC-WXR-FFW-006075-006081-006075-006081+0304-3591056-IPAWSWEA-
National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 6:00 AM PST. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.
NWS: FLASH FLOOD WARNING this area til 6:00 AM PST. Avoid flooded areas.