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

Heat Advisory issued June 12 at 2:07PM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Fri June 12, 2026, 2:07 PM
Expires: Fri June 12, 2026, 10:15 PM

* WHAT...High temperatures of 100 to 112. Moderate to Major HeatRisk expected. * WHERE...Northwestern and Central Trinity. * WHEN...From 11 AM Saturday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued June 12 at 2:07PM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Fri June 12, 2026, 2:07 PM
Expires: Fri June 12, 2026, 10:15 PM

* WHAT...High temperatures of 99 to 105 for most valleys. Moderate to Major HeatRisk expected. * WHERE...Southern Trinity. * WHEN...From 11 AM Sunday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued June 12 at 2:07PM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Fri June 12, 2026, 2:07 PM
Expires: Fri June 12, 2026, 10:15 PM

* WHAT...High temperatures of 99 to 105 for most valleys. Moderate to Major HeatRisk expected. * WHERE...Northeastern Trinity. * WHEN...From 11 AM Sunday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued June 12 at 9:48PM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Fri June 12, 2026, 9:48 PM
Expires: Sat June 13, 2026, 8:00 AM

* WHAT...High temperatures of 99 to 105 for most valleys. Moderate to Major HeatRisk expected. * WHERE...Southern Trinity. * WHEN...From 11 AM Sunday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued June 12 at 9:48PM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Fri June 12, 2026, 9:48 PM
Expires: Sat June 13, 2026, 8:00 AM

* WHAT...High temperatures of 100 to 112. Moderate to Major HeatRisk expected. * WHERE...Northwestern and Central Trinity. * WHEN...From 11 AM Saturday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.