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 June 20 at 11:25AM PDT until June 23 at 11:00PM PDT by NWS Portland OR

Effective: Sat June 20, 2026, 11:25 AM
Expires: Sat June 20, 2026, 11:30 PM

* WHAT...Temperatures up to 94 to 99 expected. * WHERE...Central and Southern Willamette Valley, Outer Southeast Portland Metro, West Columbia River Gorge of Oregon above 500 ft, Upper Hood River Valley, and Clackamas County Cascade Foothills. * WHEN...From 11 AM Monday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

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.

Extreme Heat Watch issued June 19 at 9:26PM PDT until June 23 at 11:00PM PDT by NWS Portland OR

Effective: Fri June 19, 2026, 9:26 PM
Expires: Sat June 20, 2026, 3:00 PM

* WHAT...Dangerously hot conditions with temperatures around 95 to 100 degrees F possible. * WHERE...Western and Central Columbia River Gorge, Portland Metro Lowlands, Inner Vancouver Metro, and East Clark County Lowlands. * WHEN...From Monday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Warming trend on Monday and Tuesday with urban heat impacts possible. Overnight temperatures will be warmest on Monday night into Tuesday morning ranging from 63-65 degrees F. Tuesday into Wednesday will be similar in the most urban areas. Onshore flow will provide some potential relief Tuesday night.

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.

Heat Advisory issued June 20 at 11:25AM PDT until June 23 at 11:00PM PDT by NWS Portland OR

Effective: Sat June 20, 2026, 11:25 AM
Expires: Sat June 20, 2026, 11:30 PM

* WHAT...Temperatures up to 94 to 100 expected. * WHERE...Western and Central Columbia River Gorge, Portland Metro Lowlands, Inner Vancouver Metro, and East Clark County Lowlands. * WHEN...From 11 AM Monday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

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.