Logo

Trinity County Alerts
Noaa Logo 2
NOAA's National Weather Service
Each location shows all alerts on one page
WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Alert Summary | Alert RSS Feed | Alert Archives | Icon key
Updated:January 2, 2026 8:01 am PST

Flood Watch FLOOD WATCH  
Trinity County

  Effective: Thu, 1/1 10:24pm Severity:  Severe 
  Updated: January 2, 2026 8:01 am Urgency: Future
  Expires: Fri, 1/2 12:00pm Certainty: Possible

Areas Affected: Northern Humboldt Coast - Southwestern Humboldt - Northern Humboldt Interior - Southern Humboldt Interior - Southern Trinity - Mendocino Coast - Northwestern Mendocino Interior - Northeastern Mendocino Interior - Southwestern Mendocino Interior - Southeastern Mendocino Interior - Northern Lake County - Southern Lake County
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northwest California, including the following
areas, Mendocino Coast, Northeastern Mendocino Interior, Northern
Humboldt Coast, Northern Humboldt Interior, Northern Lake,
Northwestern Mendocino Interior, Southeastern Mendocino Interior,
Southern Humboldt Interior, Southern Lake, Southern Trinity,
Southwestern Humboldt and Southwestern Mendocino Interior.

* WHEN...From Friday afternoon through Sunday evening.

* IMPACTS...There will be an increased risk of rock and land slides
along roadways. Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris.

* ADDITIONAL DETAILS...
- Widespread moderate to heavy rain from two consecutive strong
weather systems will produce 2-4 inches of rainfall Friday
afternoon through late Sunday.
- http://www.weather.gov/safety/flood

Information:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Winter Storm Watch WINTER STORM WATCH  
Trinity County

  Effective: Fri, 1/2 12:22am Severity:  Severe 
  Updated: January 2, 2026 8:01 am Urgency: Future
  Expires: Fri, 1/2 8:30am Certainty: Possible

Areas Affected: Northern Trinity
 
Alert Details:
* WHAT...Heavy snow possible above 5000 feet. Total snow
accumulations up to 1 foot possible for Scott Mt Pass. Higher
amounts over the Trinity Alps. Winds could gust as high as 55 mph
over high and exposed terrain.

* WHERE...Northern Trinity.

* WHEN...From Saturday morning through Monday afternoon.

* IMPACTS...Roads, and especially bridges and overpasses, will likely
become slick and hazardous. Travel could be very difficult to
impossible. Tire chains may be necessary if travelling through
mountain passes. Strong winds could cause extensive damage to trees
and power lines.

Information:
Monitor the latest forecasts for updates on this situation.