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FFW sent by ERN/CRTV
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo, CA; at 3:56 AM on DEC 25, 2025 Effective until 7:26 AM. Message from ERN/KLT/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
FFW sent by DON/JKZ
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo, CA; at 5:56 AM on DEC 25, 2025 Effective until 9:26 AM. Message from ERN/KLT/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
FFW sent by ERN/KNA
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo; San Francisco, CA; at 5:56 AM on DEC 25, 2025 Effective until 9:26 AM. Message from ALPINE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006075 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
FFW sent by ERN/CRTV
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo; San Francisco, CA; at 3:56 AM on DEC 25, 2025 Effective until 7:26 AM. Message from ALPINE/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006075 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
FFW sent by DON/JKZ
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo; San Francisco, CA; at 5:56 AM on DEC 25, 2025 Effective until 9:26 AM. Message from ALPINE/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006075 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
FFW sent by ERN/KLT
expires 33 minutes from now
The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: San Mateo; San Francisco, CA; at 5:56 AM on DEC 25, 2025 Effective until 9:26 AM. Message from ERN/KLT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006075 12/25/2025 10:56:00 AM (UTC)
2 hours ago
12/25/2025 2:26:00 PM (UTC)
33 minutes from now
WARNING
SVR sent by ERN/KLT
expired 2 hours ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: San Mateo; Santa Cruz, CA; at 5:48 AM on DEC 25, 2025 Effective until 6:18 AM. Message from ERN/KLT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006087 12/25/2025 10:48:00 AM (UTC)
3 hours ago
12/25/2025 11:18:00 AM (UTC)
2 hours ago
WARNING
SVR sent by WJON/TV
expired 2 hours ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties/areas: San Mateo; Santa Cruz, CA; at 5:48 AM on DEC 25, 2025 Effective until 6:18 AM. Message from KMTR/NWS. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006087 12/25/2025 10:48:00 AM (UTC)
3 hours ago
12/25/2025 11:18:00 AM (UTC)
2 hours ago
WARNING
SVR sent by ERN/KNA
expired 2 hours ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: San Mateo; Santa Cruz, CA; at 5:48 AM on DEC 25, 2025 Effective until 6:18 AM. Message from ALPINE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006087 12/25/2025 10:48:00 AM (UTC)
3 hours ago
12/25/2025 11:18:00 AM (UTC)
2 hours ago
WARNING
SVR sent by ERN/CRTV
expired 2 hours ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: San Mateo; Santa Cruz, CA; at 3:48 AM on DEC 25, 2025 Effective until 4:18 AM. Message from ERN/KLT/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 006081, 006087 12/25/2025 10:48:00 AM (UTC)
3 hours ago
12/25/2025 11:18:00 AM (UTC)
2 hours ago
WARNING