National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

 

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Drought Information Statements from Weather Forecast Offices

Seattle   |   Spokane   |   Pendleton   |   Portland

 
Drought Monitor and Outlook

Drought Monitor for WA

 

Click for Drought Monitor for the Pacific Northwest

   

US Monthly Drought Outlook

US Seasonal Drought Outlook

Click for United States Monthly Drought Outlook

Click for United States Seasonal Drought Outlook

 
Observed Precipitation Maps
7 day observed precipitation

 

Advanced Hydrologic Prediction Service (AHPS) Precipitation Analysis
  AHPS precipitation analysis:
  * For Location, choose "state" and "Washington".
  * Choose "Time Range"; or choose Archived Data and Date.

 

7 day Observed Precipitation - (WRCC)

 

30 day Percent of Average Precipitation - (WRCC)

 

60 day Percent of Average Precipitation - (WRCC)

 

90 day Percent of Average Precipitation - (WRCC)

 

1 yr WA Percent of Average Precipitation - (WRCC)

 

West Wide Drought Tracker - (WRCC)

 

WA Climate Anomaly Maps and Tables - (WRCC)

 

North American Freezing Level Tracker - (WRCC)
 
Observed Conditions and Impacts

 

USGS WaterWatch: Below normal 7day Streamflow compared to historical

 

USGS WaterWatch: Map of real time streamflow compared to historical for day of year

 

USGS Washington Drought Watch page

 

WA ECY Statewide Streamflow Summary Map

 

Pacific NW Experimental Surface Water Monitor (via UCLA)

 

USDA NRCS Weekly Snowpack Report

 

USDA NRCS Snowpack MAP

 

NWS National Operational Hydrologic Remote Sensing Center (NOHRSC) Regional Snow Analyses

 

NOHRSC Interactive Snow Information Map

 

Soil Moisture - CPC

 

Agriculture in Drought - USDA (pdf)

 

Weekly Weather and Crop Bulletin - USDA (pdf)

 

 

 

 
Forecasts and Outlooks
   

 

 

 

 

 

10-day Quantitative Precipitation Forecast (QPF) for Pacific Northwest

 

Weather Prediction Center 7-day QPF

 

Northwest River Forecast Center Water Supply Forecasts

 

Northwest River Forecast Center ESP Natural Forecasts

 

NWS Seattle Water Supply Outlook/Spring Flood Outlook

 

CPC 8-14 day outlook

 

Soil Moisture Outlook for the Coterminous U.S.
Click for the Quantitative Precipitation Forecast
Click for Quantitative Precipitation Forecast
   

CPC monthly precipitation outlook

CPC 3-month precipitation outlook

Click for United States Seasonal Drought Outlook

Click for United States Seasonal Drought Outlook