Station Name: YAKIMA RIVER ABOVE AHTANUM CREEK AT UNION GAP, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 935 feet / 285 meters

Nearest Address:
1681–1699 Thorp Rd
Wapato, WA 98951
Yakima County

GPS Coordinates: 46.53429376, -120.4672855

Nearby Water Temperatures

Air Quality Alert issued September 2 at 12:45PM PDT by NWS Pendleton OR

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue September 2, 2025, 12:45 PM
Expires: Thu September 4, 2025, 5:00 PM

The Washington State Department of Ecology and/or the Yakima Regional Clean Air Agency has issued an Air Quality Alert until further notice. An Air Quality Alert has been issued for Kittitas and Yakima Counties until further notice due to current and expected wildfire smoke from the Wildcat Fire. Particulate matter may reach Unhealthy levels. When air quality is Unhealthy, everyone should reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air. Hot temperatures will increase the risk of heat-related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Information about air quality from the Washington Department of Ecology Web site is available at http://www.ecy.wa.gov/air.html or call 360-407-6000.Information about air quality is on the Yakima Regional Clean Air Agency Web site at http://www.yakimacleanair.org or call 509-834-2050.

Extreme Heat Warning issued September 2 at 7:49PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Tue September 2, 2025, 7:49 PM
Expires: Wed September 3, 2025, 4:15 PM

* WHAT...Dangerously hot conditions with afternoon high temperatures of 95 to 103 degrees expected. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the warning area through Thursday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info.org for Oregon or wa211.org for Washington anytime.

Heat Advisory issued September 2 at 7:49PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Tue September 2, 2025, 7:49 PM
Expires: Wed September 3, 2025, 4:15 PM

* WHAT...Hot conditions with afternoon high temperatures of 95 to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info.org for Oregon or wa211.org for Washington anytime.

Extreme Heat Warning issued September 2 at 7:49PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Tue September 2, 2025, 7:49 PM
Expires: Wed September 3, 2025, 4:15 PM

* WHAT...Dangerously hot conditions with afternoon high temperatures of 95 to 103 degrees expected. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the warning area through Thursday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info.org for Oregon or wa211.org for Washington anytime.

Heat Advisory issued September 2 at 7:49PM PDT until September 4 at 8:00PM PDT by NWS Pendleton OR

Effective: Tue September 2, 2025, 7:49 PM
Expires: Wed September 3, 2025, 4:15 PM

* WHAT...Hot conditions with afternoon high temperatures of 95 to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info.org for Oregon or wa211.org for Washington anytime.