Skip Navigation Linkswww.weather.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service Forecast Office   NWS logo - Click to go to the NWS homepage    
Portland, Oregon
navigation bar decoration    
 
 
Current Warnings
 
 
 
 
 
Current Conditions
 
 
 
 
 
 
 
 
 
 
Forecasts
 
 
 
 
 
 
 
 
 
Experimental...
 
 
 
Climate...
 
 
 
 
 
Model Data
 
 
 
 
Weather Safety
 
 
 
 
 
Miscellaneous
 
 
 
 
 
 
 
 
Contact Us
 
 
 
Marionberries Pacific Waves Yaquina Lighthouse on Oregon Coast Fall in Oregon
Map Questions and Answers

About Forecast Page/Warning Map...

When you click on the warning map from the our front welcome page, you will get a forecast page for that particular location. This page explains some of the features that you see on that forecast page. There is no better source for current or forecast weather information on the web than your forecasts from NOAA's National Weather Service.  It provides you with:  
  • A quick overview of expected weather for the next 7 days,
  • Links to the latest weather hazards in your area,
  • Current weather conditions near your location with links to recent weather conditions from around the area,
  • An icon ( click to enlarge ) to your local Doppler weather radar image,
  • An icon ( click to enlarge ) of a local satellite image,
  • Options to read your forecast in Spanish,
  • A link to the local National Weather Forecast office, as well as links to other information provided by that office.

Forecast Page Features
Point forecasts

Point forecasting
In this age of digitalized forecasts, you now can get a weather forecast from the National Weather Service generally within 2 miles (3.5 km) of your desired location. Since 2003, the National Weather Service has been producing forecast points on a grid with gridpoint located every 3 miles (5 km). What does this mean for you? Your forecast are now relevant to your location and no longer necessarily at the local airport or across regions that could exceed 2500 square miles.  

Want to see the digitalized gridded graphics? Visit the National Weather Service's Digital Database at:
http://www.weather.gov/forecasts/graphical/sectors/

Want to read more about Point Forecasts ?

Frequently Asked Questions...
Where is the Freezing/Snow Level Data?
The snow level will not be available, as this page is a point forecast page. In this case, it uses the elevation from your grid point, and determines whether snow or rain forecast, and lists that as the forecast. So, if you want snow level, you will need to access the edited zone forecast. This ZONE FORECAST link can be found at the lower right of each forecast page (when clicking from the map), or, use Zone Forecast link found on the Forecast/Discussion page.

Why is my elevation incorrect? When you click on a city or type in your zip code or city name, our computers search for the latitude and longitude of your query and relate the location to a grid square. Since the resolution of the grid square cannot account for every possible elevation within that grid, it only displays the elevation of the center point of the grid. Therefore, some elevations may be different than what they actually are.

Does this affect the forecast that is shown?
Yes and no. The icons or images at the top of our forecast page ( Forecast at a Glance ) are based on the elevation of the center point of a 2 mile square grid, while the text forecast comes from our Point Forecast database. Note, the text forecast, or zone forecast, ( Detailed 7-day Forecast ) is the forecast for a larger, but meteorologically similar area.

Location of the Forecast-at-a-Glance section The time the forecast was issued is displayed here Forecast-at-a-Glance
One of the first things you will notice will be icons and a short one to three word forecast for your location of interest. This is intended to provide you a quick glance at the forecast. The time the forecast was issued is listed on the right side above the icons. The one or two word forecast is usually for the most hazardous weather anticipated during that forecast period. Should you see hazardous weather mentioned then check the detailed forecast for complete information.  

Location of the detailed text forecast section

Hazardous Weather and the Detailed Forecast
The detailed forecast section serves two purposes. First, links are provided for all hazardous weather watches, warnings, advisories, and/or outlooks for your location. This section also provides the full text of the weather forecast for the next seven days.

Frequently Asked Questions...
Where is the Freezing/Snow Level Data?
The snow level will not be available, as this page is a point forecast page. In this case, it uses the elevation from your grid point, and determines whether snow or rain forecast, and lists that as the forecast. Again, if you want snow level, you will need to access the edited zone forecast. This ZONE FORECAST link can be found at the lower right of each forecast page (when clicking from the map), alternatively use the Zone Forecast link found under Forecasts --> Discussion/Text page.


Location of the current weather conditions section Current Weather Conditions
The latest weather conditions near your location are displayed along with the time of observation. The current conditions are displayed using the closest observation to the center points of each grid cell shown below. When the air temperature is less than 60°F, the wind chill value will be provided. For temperatures 60°F or greater, the heat index displayed.

Two Day History is list of the weather for the past 48 hours at that location. From this summary you can also view the maximum and minimum temperatures as well as see the hourly, three-hourly, and six-hourly rainfall totals.

More Local Wx is a link to up to an additional 10 weather observation sites in the region. Clicking on any observation name will also provide a "Two Day History" for that site.

Frequently Asked Questions...
Why is my weather not available? Missing weather station observations can occur when an instrument breaks or is removed by the owner. Occasionally, a station will break or is removed and there will be “Observation not available or Not Current” text highlighting the outage. Most of the time they are quickly fixed and back in operation within a few days. However, sometimes they are not fixed and currently there is not an easy way to tell which ones are working properly and which ones are not. So, if a station fails to report for a couple weeks, let us know, and we will try to remove it.
Doppler Radar and Satellite Images
These thumbnail images give you a quick glance at any weather on your local doppler radar and an overview of the infrared Geostationary Operational Environmental Satellite (GOES) covering your region. Clicking either thumbnail will show the full image.


Location of the additional information section

Location of link to forecast office that issued the forecast
Additional Information
These are links to provide additional relevant information. The number of links and information provided vary with each weather forecast office and are adapted to the needs of the local area. At a minimum, there will be two links; Area Forecast Discussion (the reasoning behind the forecast) and Local Climatology (past weather information for the area).

One additional link is located in the upper left area above the Forecast-at-a-Glance icons. This is the link to the local weather forecast office that issued the forecast.



The forecast material found on the Forecast at a Glance web page is from the National Digital Forecast Database, or NDFD.  For more information about the NDFD including how it is produced and how you can use it for a wide variety of uses such as XML and web site links, visit the NDFD web site at: http://www.weather.gov/ndfd/technical.htm

You can access the actual gridded graphics at:
http://www.weather.gov/forecasts/graphical/sectors/

In additions, you can access even more detailed site-specific forecast information such as hourly forecast information and meteograms for those important outdoor activities, visit the your local National Weather Service Forecast Office's website.

For information about wireless access to National Weather Service forecast and current weather conditions including the latest local Doppler weather radar information (really cool when you are on the road, at the construction site or at the ball field), visit this web site:   http://www.srh.noaa.gov/cte.htm

Can I tell you what I think about the map?
You are welcome to provide us feedback about the Watch/Warning maps here http://www.nws.noaa.gov/survey/nws-survey.php?code=conus_wwa_map.

Can I tell you what I think about the forecast?
You are welcome to provide us feedback about the Forecasts and formats also. Just reply via the webmaster link, often found on the left side menu, or at the bottom of this or the forecast page.


Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089

Tel: (503) 261-9246

Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act
About Us
Career Opportunities

National Weather Service Mission: "The National Weather Service (NWS) provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy. NWS data and products form a national information database and infrastructure which can be used by other governmental agencies, the private sector, the public, and the global community."