Seattle Area Forecast
NWS Experimental Tabular Forecast Seattle
Radar
NWS - National Radar Composite
NWS National Maps
QPF (Precip Quantity) maps for 5 days
QPF Map 3 day / 6 hour loop (uses Java)
Pressure and Front Map 7 day loop (uses Java)
Note map times are UTC, subtract 7hr for PDT, 8hr for PST.
River Flooding
KC PDA version - Compact Table
KC Map Version - Click on Basin
NWS Northwest River Forecast Center
Green River - Howard Hanson Dam Data
NWS Green River at Auburn Forecast
Army Corps Green River at Auburn Data
USGS Green River at Auburn Data
King County Green River at Auburn Info
Army Corps Howard Hanson Dam Data
Army Corps Howard Hanson Dam Tailwater Data
Army Corps Howard Hanson Dam Reference Info
USGS Howard Hanson Dam Tailwater Data
Landslide Hazard
Seattle Area Traffic
SDOT Seattle Traffic Info/Camera Map
KCDOT King County Traffic Info/Camera Map
Bellevue Traffic Info/Camera Map
I-90 Snoqualmie Pass to East
NWAC Mountain Weather Forecast
NWAC Snoqualmie Pass Avalance Forecast
WSDOT West Slope Cascades Forecast
WSDOT East Slope Cascades Forecast
NWS 7 Day Forecast Snoqualmie Pass
NWS Experimental Tabular Forecast Snoqualmie Pass
NWS Experimental Tabular Forecast Cle Elum
Fires, Earthquakes, Tsunamis, Volcanoes, Etc.
Pacific NW Seismic Network Earthquakes Map
Pacific NW Seismic Network Seismometers Graphs (old interface)
Pacific NW Seismic Network Seismometers Map/Graphs (beta interface)
NOAA West Coast and Alaska Tsunami Warning Center
USGS Cascades Volcano Observatory Current Update
USGS All US Volcanoes Status by Map
EPA only monitors radiation in real time if there is a nuclear disaster.
A link to data should be provided from the above site.
Climate
El Nino/La Nina Current Conditions/Expected Impacts