National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Public

Area Forecast Discussion   Issued: 12/24/2025 03:23:00 PM UTC

Hazardous Weather Outlook   Issued: 12/24/2025 03:26:00 PM UTC

Non-Precipitation Warnings / Watches / Advisories   Issued: 12/20/2025 02:52:00 PM UTC

Public Information Statement   Issued: 12/22/2025 08:19:00 PM UTC

Recreational Report   Issued: 12/24/2025 09:30:00 AM UTC

Regional Weather Summary   Issued: 12/24/2025 01:48:00 PM UTC

State Forecast   Issued: 12/24/2025 03:38:00 PM UTC

Winter Weather Warnings / Watches / Advisories   Issued: 12/20/2025 01:51:00 AM UTC

Zone Forecast Product   Issued: 12/24/2025 03:36:00 PM UTC

 

Climate Reports

Climatological Report (Daily)   Issued: 12/24/2025 01:47:00 PM UTC

WFO Monthly/Daily Climate Data   Issued: 12/31/2025 05:11:11 PM UTC

Record Report   Issued: 12/10/2025 06:59:00 AM UTC

 

Observations

Regional Weather Roundup   Issued: 12/24/2025 04:00:00 PM UTC

 

Hydrology/Flooding

Western and Central North Dakota:

Flood Potential Outlook   Issued: 12/19/2025 02:23:00 AM UTC

 

Eastern North Dakota (Sheyenne and Red River Valley):

Flood Potential Outlook   Issued: 11/27/2025 11:45:00 PM UTC

 

Fire Weather

 

Severe Weather

Local Storm Report   Issued: 12/20/2025 09:35:00 PM UTC

 

Public Awareness/Safety

 

Aviation (TAFs)

Terminal Aerodrome Forecast   Issued: 12/24/2025 11:26:35 AM UTC

Terminal Aerodrome Forecast   Issued: 12/24/2025 11:26:35 AM UTC

Terminal Aerodrome Forecast   Issued: 12/24/2025 04:22:56 PM UTC

Terminal Aerodrome Forecast   Issued: 12/24/2025 11:26:35 AM UTC

Terminal Aerodrome Forecast   Issued: 12/24/2025 11:26:35 AM UTC

 

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