Water Supply

Streamflow Forecasting

• Western US Streamflow Forecast Maps  
• Western US Streamflow Forecast Tables
• Streamflow Forecast Probability Charts (Forecasts for Alaska available for March, April and May only)
• Guide to Interpreting Streamflow Forecasts

Water Supply Outlook Reports

Water Supply Outlook Report (WSOR) for Alaska
Water Supply Outlook Reports (WSOR) for Alaska and ALL Western States (Current & historic reports released monthly by state - HTML and text versions, Alaska WSOR only available in HTML format)

If you would like to be notified when the current Water Supply Outlook Report is available, please click here.

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