
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 >

Local Cooperative Observation Issued: 12/23/2025 10:16:00 PM UTC
Miscellaneous Hydrologic Data Issued: 12/24/2025 02:25:00 PM UTC
No recent Local Storm Reports (LSRs) have been issued by Austin/San Antonio WFO.