Station Name: WILLAMETTE RIVER AT PORTLAND, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 13 feet

Nearest Address:
SE Morrison Brg
Portland, OR 97204
Multnomah County

GPS Coordinates: 45.5175, -122.6691667

Nearby Water Temperatures

Dense Fog Advisory issued January 15 at 1:12AM PST until January 15 at 12:00PM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 1:00 PM

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Portland West Hills and Chehalem Mountain and Tualatin Valley. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 AM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

Air Stagnation Advisory issued January 15 at 1:12AM PST until January 16 at 4:00AM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 1:00 PM

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro and North Clark County Lowlands. * WHEN...Until 4 AM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.

Air Stagnation Advisory issued January 15 at 1:12AM PST until January 16 at 4:00AM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 1:00 PM

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Portland West Hills and Chehalem Mountain and Tualatin Valley. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 AM PST Friday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

Wind Advisory issued January 15 at 2:27PM PST until January 17 at 3:00PM PST by NWS Portland OR

Effective: Thu January 15, 2026, 2:27 PM
Expires: Fri January 16, 2026, 5:00 AM

* WHAT...East winds 15 to 25 mph with gusts up to 45 to 55 mph expected. * WHERE...East Portland Metro. * WHEN...From 9 PM this evening to 3 PM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusts will be strongest along the Interstate-84 corridor.

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.

Air Stagnation Advisory issued January 15 at 2:27PM PST until January 20 at 10:00AM PST by NWS Portland OR

Effective: Thu January 15, 2026, 2:27 PM
Expires: Fri January 16, 2026, 5:00 AM

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...From 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.

Dense Fog Advisory issued January 15 at 1:12AM PST until January 15 at 12:00PM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 12:00 PM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Oregon Coast Range Lowlands. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

Dense Fog Advisory issued January 15 at 1:12AM PST until January 15 at 12:00PM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 1:00 PM

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Central and Southern Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

Air Stagnation Advisory issued January 15 at 1:12AM PST until January 16 at 4:00AM PST by NWS Portland OR

Effective: Thu January 15, 2026, 1:12 AM
Expires: Thu January 15, 2026, 1:00 PM

* WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Central and Southern Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.