Station Name: TRINITY R AB NF TRINITY R NR HELENA CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,404 feet

Nearest Address:
State Rte 299
Helena, CA 96052
Trinity County

GPS Coordinates: 40.76653148, -123.1144757

Nearby Water Temperatures

Flood Watch issued December 23 at 10:02PM PST until December 26 at 10:00PM PST by NWS Eureka CA

Effective: Tue December 23, 2025, 10:02 PM
Expires: Fri December 26, 2025, 5:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Del Norte County, Humboldt County, Trinity County, Mendocino County, and Lake County. * WHEN...Through Friday evening. * IMPACTS...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. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Additional rounds of heavy rain expected through Friday night. An additional 3-6, locally up to 9 inches of total rain is possible through Friday. There will be breaks in the heavy precipitation, but heavy rain falling on already saturated ground will promote flooding impacts. - http://www.weather.gov/safety/flood

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 Warning issued December 24 at 8:26AM PST until December 26 at 10:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 8:26 AM
Expires: Wed December 24, 2025, 4:30 PM

* WHAT...Heavy snow possible above 4000 feet. Total snow accumulations between 1 to 2 feet possible. Winds could gust as high as 55 mph. * WHERE...Trinity County. * WHEN...From 4 PM this afternoon to 10 PM PST Friday. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.

Winter Storm Warning issued December 24 at 4:00PM PST until December 26 at 10:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 4:00 PM
Expires: Thu December 25, 2025, 5:00 AM

* WHAT...Heavy snow possible above 4000 feet. Total snow accumulations between 1 to 3 feet possible. Winds could gust as high as 55 mph. * WHERE...Trinity County. * WHEN...Until 10 PM PST Friday. * IMPACTS...Roads will likely become slick and hazardous. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.

High Wind Watch issued December 24 at 5:10AM PST until December 25 at 7:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 5:10 AM
Expires: Wed December 24, 2025, 1:15 PM

* WHAT...Southeast winds 10 to 20 mph with gusts up to 60 mph possible. * WHERE...Del Norte Interior and Northern Humboldt Interior. * WHEN...From late tonight through Thursday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways.

Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.

High Wind Watch issued December 24 at 5:10AM PST until December 25 at 7:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 5:10 AM
Expires: Wed December 24, 2025, 1:15 PM

* WHAT...Southeast winds 15 to 25 mph with gusts up to 70 mph possible. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From late tonight through Thursday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways.

Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.

High Wind Watch issued December 24 at 5:10AM PST until December 25 at 7:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 5:10 AM
Expires: Wed December 24, 2025, 1:15 PM

* WHAT...Southeast winds 25 to 35 mph with gusts up to 85 mph possible. * WHERE...Southern Humboldt. * WHEN...From late tonight through Thursday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways.

Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.

Flood Advisory issued December 24 at 1:34PM PST until December 24 at 8:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 1:34 PM
Expires: Wed December 24, 2025, 8:00 PM

* WHAT...Small stream flooding caused by excessive rainfall continues. * WHERE...West Central Humboldt County in northwestern California... * Until 800 PM PST Wednesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 133 PM PST, Local officials reported small stream flooding in the advisory area on Highway 36 near Carlotta and in the Ferndale area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 1.5 inches with up to 0.6 inch per hour rainfall rates are expected over the area. This additional heavy rainfall will result in minor flooding. - Some locations that will experience flooding include...Highway 36 near Carlotta, the Eel River Delta, and other low lying locations. - http://www.weather.gov/safety/flood

Be aware of your surroundings and do not drive on flooded roads.

Flood Advisory issued December 24 at 1:33PM PST until December 24 at 7:45PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 1:33 PM
Expires: Wed December 24, 2025, 7:45 PM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...West Central Humboldt County in northwestern California... * Until 745 PM PST Wednesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 133 PM PST, Local officials reported small stream flooding in the advisory area on Highway 36 near Carlotta and in the Ferndale area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 1.5 inches with up to 0.6 inch per hour rainfall rates are expected over the area. This additional heavy rainfall will result in minor flooding. - Some locations that will experience flooding include...Jacoby Creek, Hookton Slough, Elk River, and Little River. - http://www.weather.gov/safety/flood

Be aware of your surroundings and do not drive on flooded roads.

Wind Advisory issued December 24 at 12:49PM PST until December 25 at 2:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 12:49 PM
Expires: Wed December 24, 2025, 9:00 PM

* WHAT...Southeast winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Northern Humboldt Coast. * WHEN...From 10 PM this evening to 2 PM PST Thursday. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

High Wind Warning issued December 24 at 12:49PM PST until December 25 at 2:00PM PST by NWS Eureka CA

Effective: Wed December 24, 2025, 12:49 PM
Expires: Wed December 24, 2025, 9:00 PM

* WHAT...South winds 20 to 30 mph with gusts up to 70 mph expected. Locally strongest over the exposed ridges and coastal headland. * WHERE...Humboldt Interior, and Southwestern Humboldt. * WHEN...From 7 PM this evening to 2 PM PST Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

People are urged to secure loose objects that could be blown around or damaged by the wind.