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

Cold Weather Advisory issued February 19 at 11:45AM PST until February 20 at 9:00AM PST by NWS Eureka CA

Effective: Thu February 19, 2026, 11:45 AM
Expires: Thu February 19, 2026, 7:45 PM

* WHAT...Very cold wind chills as low as 15 expected. * WHERE...Trinity County, Humboldt Interior, Northern Mendocino Interior, Del Norte Interior, and Northern Lake. * WHEN...From midnight tonight to 9 AM PST Friday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Cold Weather Advisory issued February 19 at 9:18PM PST until February 20 at 9:00AM PST by NWS Eureka CA

Effective: Thu February 19, 2026, 9:18 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 15 expected. * WHERE...Trinity County, Humboldt Interior, Northern Mendocino Interior, Del Norte Interior, and Northern Lake. * WHEN...Until 9 AM PST Friday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Cold Weather Advisory issued February 19 at 11:45AM PST until February 20 at 9:00AM PST by NWS Eureka CA

Effective: Thu February 19, 2026, 11:45 AM
Expires: Thu February 19, 2026, 7:45 PM

* WHAT...Very cold temperatures as low as 22 expected for inland areas. Very cold temperatures as low as 27 expected for coastal areas. * WHERE...Del Norte, Humboldt, and Mendocino Coast, Southern Mendocino Interior, and Southern Lake. * WHEN...From midnight tonight to 9 AM PST Friday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Cold Weather Advisory issued February 19 at 9:18PM PST until February 20 at 9:00AM PST by NWS Eureka CA

Effective: Thu February 19, 2026, 9:18 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Very cold temperatures as low as 22 expected for inland areas. Very cold temperatures as low as 27 expected for coastal areas. * WHERE...Del Norte, Humboldt, and Mendocino Coast, Southern Mendocino Interior, and Southern Lake. * WHEN...Until 9 AM PST Friday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.