Station Name: JOHNSON CREEK AT MILWAUKIE, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 36 feet

Nearest Address:
2008 SE Milport Rd
Milwaukie, OR 97222
Clackamas County

GPS Coordinates: 45.452897, -122.6431496

Nearby Water Temperatures

Heat Advisory issued July 20 at 9:01PM PDT until July 22 at 11:00PM PDT by NWS Portland OR

Effective: Mon July 20, 2026, 9:01 PM
Expires: Tue July 21, 2026, 11:00 AM

* WHAT...Temperatures as high as 95 to 100 expected. * WHERE...Portland Metro Hills, and West Central Willamette Valley. * WHEN...From 10 AM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires outside of the region or clouds moving into the area could result in cooler daytime high temperatures than currently forecast.

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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Heat Advisory issued July 20 at 10:27AM PDT until July 22 at 11:00PM PDT by NWS Portland OR

Effective: Mon July 20, 2026, 10:27 AM
Expires: Mon July 20, 2026, 10:30 PM

* WHAT...Temperatures 95 to 98 degrees F expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, and East Central Willamette Valley. * WHEN...From 10 AM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires or clouds outside of the region moving into the area could result in cooler daytime high temperatures than currently forecasted.

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.

Heat Advisory issued July 20 at 9:01PM PDT until July 22 at 11:00PM PDT by NWS Portland OR

Effective: Mon July 20, 2026, 9:01 PM
Expires: Tue July 21, 2026, 11:00 AM

* WHAT...Temperatures as high as 95 to 100 expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, and East Central Willamette Valley. * WHEN...From 10 AM Tuesday to 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires outside of the region or clouds moving into the area could result in cooler daytime high temperatures than currently forecast.

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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.