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 >

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Last Map Update: Wed, Dec 24, 2025 at 3:06:43 am CST

Watches, Warnings & Advisories

National Weather Service Fort Worth/Dallas, TX

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National Weather Service Houston/Galveston, TX

National Weather Service Brownsville/Rio Grande Valley, TX

National Weather Service Corpus Christi, TX

Dense Fog Advisory

Special Weather Statement

Dense Fog Advisory

Christmas Eve/Christmas Day

Tonight

Weather for the Week

Austin Severe Weather+Flooding Training

A Dense Fog Advisory is in effect from 3am-9am for the Coastal Plains and I-35 Corridor. Visibilities will fall to 1/4 mile or less at times.

Morning fog is expected both days with afternoon sunshine and above normal temperatures.

Unseasonably warm conditions tonight, with cloudy and foggy conditions overnight and into Wednesday morning. Some locations could experience dense fog, reducing visibility to 1/4 mile or less.

Unseasonably warm conditions continue this week, with mornings cloudy and foggy. Dense morning fog is possible in some locations. Colder conditions are forecast to return early next week.

Please join us at St. Edward's University in Austin on February 28, 2026, to learn about flooding, tornadoes, and other severe weather hazards, as well as how to stay prepared. For more info, please scan the QR code in the graphic or visit our calendar at http://weather.gov/ewx/training.