Storm Summary Number 05 for Atmospheric River Causing Heavy
Rainfall for Pacific Northwest and Intermountain West
NWS Weather Prediction Center College Park MD
700 AM PST Fri Dec 12 2025

...Heavy rainfall tapering off across the Pacific Northwest,
northern Idaho and northwestern Montana, but flooding concerns
remain...

Flood Warnings and Flash Flood Watches are in effect through
Friday evening for for multiple streams and rivers in western
Washington, northern Idaho, and northwestern Montana.

A Flash Flood Watch is in effect for northern portions of the
Puget Lowland.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

At 600 AM PST...Surface observations showed the heavy rain over
the Northwest has come to and end. Mosaic radar and surface
observations depicted mostly light rainfall lingering across
across parts of northern Idaho and northwestern Montana.

...Selected preliminary Storm Total Rainfall in inches from 700 AM
PST Sat Dec 06 through 600 AM PST Thu Dec 11...

...IDAHO...
KELLY                                4.72                    
FISH HOOK                            4.32                    
MOOSE CREEK                          3.48                    
POWELL                               3.46                    
MAGEE PEAK                           2.91                    
HEMLOCK BUTTE                        2.50                    
LOWELL                               2.20                    

...MONTANA...
KOOTENAI FALLS 8 SSW                 5.62                    
NOXON 12 NE                          5.00                    
SEELEY LAKE                          2.84                    
BC BALDY                             2.48                    
SMITH CREEK                          2.36                    
BENCHMARK                            2.29                    

...WASHINGTON...
QUINAULT                            16.58                    
MOUNT OLYMPUS 12 W                  14.44                    
OWL MT                              14.44                    
OHANAPECOSH                         14.15                    
PARADISE                            14.15                    
GRISDALE 7 WNW                      13.92                    
SKYKOMISH 1 E                       13.40                    
CEDAR FALLS 3 NE                    13.38                    
HUMPTULLIPS                         11.98                    
TOMS CREEK                          11.07                    
JOHNSON RIDGE                        9.65                    
THREE CORNER ROCK                    8.91                    
HUCKLEBERRY RIDGE                    8.35                    
HAGER CREEK                          8.26                    
VIEWPOINT                            7.82                    
DRY CREEK                            7.79                    
ROSLYN 11WNW                         6.64                    
CANYON CREEK                         5.89                    
LITTLEROCK 3N                        5.20                    
SATSOP RIVER 13NW                    5.02                    
TOUCHET                              4.20                    

...Selected preliminary Peak Wind gusts in miles per hour earlier
in the event...

...IDAHO...
BAYVIEW SHOSHONE 13 ESE                56                    
COLBURN 5 WSW                          56                    
POST FALLS                             56                    

...MONTANA...
EMIGRANT (AVALANCHE) 11 W              88                    
DEEP CREEK                             86                    
LIVINGSTON 7 ENE                       72                    
WASHOE 13 SW                           66                    
WILSALL 17 NE                          66                    
MELVILLE 3 NE                          59                    
PRAY 2 S                               56                    

...WASHINGTON...
CRYSTAL MOUNTAIN 3 SSW                108                    
TELMA 1 NNE                           106                    
LEAVENWORTH 3 NW                       77                    
PEOLA 3 SSW                            60                    
DODGE 3 E                              57                    

...Selected preliminary Storm Total Rainfall in inches where the
event has ended...

...OREGON...
YELLOWSTONE MOUNTAIN                 8.29                    
LOG CREEK                            7.98                    
SOUTH FORK                           7.61                    
CEDAR                                6.65                    
KOSMOS                               5.87                    
CANNIBAL MOUNTAIN                    5.02                    
BOULDER CREEK                        4.46                    
MILK SHAKES                          3.90                    
ELGIN 15NNW                          2.20                    
GLADSTONE 1NNW                       1.66                    


The atmoshereic river into the Northwest has come to an end.
Scatterd rain showers will develop over the region through the
weekend. This wil be the last Storm Summary for this storm.

This will be the last Storm Summary issued by the Weather
Prediction Center for this event. Please refer to your local
National Weather service office for additional information.

Ziegenfelder