Station Name: BULL RUN R AT LARSON'S BRIDGE, NEAR BULL RUN, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 545 feet

Nearest Address:
NF-183
Aims, OR 97055
Clackamas County

GPS Coordinates: 45.43175906, -122.19542

Nearby Water Temperatures

Heat Advisory issued June 11 at 9:13PM PDT until June 16 at 11:00PM PDT by NWS Portland OR

Effective: Thu June 11, 2026, 9:13 PM
Expires: Fri June 12, 2026, 12:00 PM

* WHAT...Temperatures between 92 and 98 degrees F expected. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, South Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Central Columbia River Gorge and the Hood River Valley, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, West Columbia River Gorge of Oregon above 500 ft, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 60 to 65 degrees F will lead to limited overnight relief.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded. 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. For sheltering information and other human services, dial 2 1 1 during business hours or visit 211info.org in Oregon or wa211.org in Washington.

Extreme Heat Warning issued June 11 at 9:13PM PDT until June 16 at 11:00PM PDT by NWS Portland OR

Effective: Thu June 11, 2026, 9:13 PM
Expires: Fri June 12, 2026, 12:00 PM

* WHAT...Dangerously hot conditions with temperatures between 95 and 100 degrees F expected. * WHERE...Portland Metro Lowlands, Western Columbia River Gorge, Portland West Hills and Chehalem Mountain, Inner Vancouver Metro, and East Clark County Lowlands. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 63 to 67 degrees F will lead to poor overnight relief. There is currently a 20-30% chance that night time temperatures remain above 70 degrees Sunday night into Monday morning, and a 5-10% chance Monday night into Tuesday morning.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.

Heat Advisory issued June 11 at 9:13PM PDT until June 16 at 11:00PM PDT by NWS Portland OR

Effective: Thu June 11, 2026, 9:13 PM
Expires: Fri June 12, 2026, 12:00 PM

* WHAT...Temperatures between 92 and 98 degrees F expected. * WHERE...Central Willamette Valley, Lower Columbia River, and Outer Southeast Portland Metro. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 60 to 65 degrees F will lead to limited overnight relief.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded. 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. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. For sheltering information and other human services, dial 2 1 1 during business hours or visit 211info.org in Oregon or wa211.org in Washington.

Heat Advisory issued June 12 at 10:36AM PDT until June 16 at 11:00PM PDT by NWS Portland OR

Effective: Fri June 12, 2026, 10:36 AM
Expires: Sat June 13, 2026, 5:00 AM

* WHAT...Temperatures of 90 to 96 degrees F expected. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Foothills of the Northern and Central Oregon Cascades, Central Columbia River Gorge and the Hood River Valley, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, Outer Southeast Portland Metro, West Columbia River Gorge of Oregon above 500 ft, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 60 to 65 degrees F will lead to limited overnight relief.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. 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. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. For sheltering information and other human services, dial 2 1 1 during business hours or visit 211info.org in Oregon or wa211.org in Washington.

Extreme Heat Warning issued June 12 at 10:36AM PDT until June 16 at 11:00PM PDT by NWS Portland OR

Effective: Fri June 12, 2026, 10:36 AM
Expires: Sat June 13, 2026, 5:00 AM

* WHAT...Dangerously hot conditions with temperatures of 95 to 99 degrees F expected. * WHERE...Portland Metro Lowlands, Western Columbia River Gorge, Portland West Hills and Chehalem Mountain, Inner Vancouver Metro, and East Clark County Lowlands. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 63 to 67 degrees F will lead to poor overnight relief. There is currently a 15-30% chance that night time temperatures remain above 70 degrees F Sunday night into Monday morning, and less than a 10% chance Monday night into Tuesday morning. There is a 30-40% chance of high temperatures of 100 degrees F or more on Monday.

Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.