Cooler temps, more showers and flooding in the east

Weather Blog

It will be windy through the gorge, westerly wind gusts up to 35-40 mph possible

PORTLAND, Ore. (KOIN) — Light showers this morning. Temperatures slightly cooler, upper 40s. Colder air aloft could spell instability later today. We may see pockets of downpours cruise through this afternoon. It will be windy through the gorge, westerly wind gusts up to 35-40 mph possible.

Eastern Oregon pulled in 2-3 inches of rain in a 24 hour period. Flood Warning: Eastern Oregon through 9 a.m. Thursday. See TripCheck.com for road closures. Some roads are still under repair from the last washout in February.

There are multiple flood warnings for specific sections of rivers: John DayGrande Ronde, and Umatilla rivers, some last through the weekend. You may recall Umatilla River flooded in Pendleton as recently as February. Here we go again.

Mountains: Cold enough in the morning for freezing levels to drop to 4,500′. Thurs night freezing at 4,000′ with some light accumulations possible on the grass. 

Weekend: Upper 60s low 70s partly cloudy, some models trying to bring rain in Sunday. Next Thursday is when 80s are possible.

Here’s a look at the 24-hour rain totals from Wednesday. The list below shows more of the remote locations across eastern Oregon displaying rain totals as high as 1.5- 3 inches.

Rain totals courtesy of NWS Spokane:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
709 PM PDT WED MAY 20 2020

...PRECIPITATION REPORTS...

LOCATION                     AMOUNT    TIME/DATE       PROVIDER             

...IDAHO...

...BENEWAH COUNTY...
FERNWOOD                     0.36 IN   0700 PM 05/20   CWOP                 

...BONNER COUNTY...
SANDPOINT                    0.68 IN   0654 PM 05/20   CWOP                 
HOODOO                       0.55 IN   0608 PM 05/20   RAWS                 
13.9 NE SANDPOINT            0.47 IN   0700 AM 05/20   COCORAHS             
COCOLALLA                    0.42 IN   0647 PM 05/20   CWOP                 
SPIRIT LAKE                  0.42 IN   0646 PM 05/20   CWOP                 
PRIEST RIVER                 0.38 IN   0700 PM 05/20   CWOP                 
CLARK FORK 6.6 SE            0.35 IN   0600 AM 05/20   COCORAHS             
5.0 W COLBURN (SNOTEL)       0.30 IN   0500 PM 05/20   MESOWEST             

...BOUNDARY COUNTY...
13.9 W PORTHILL (SNOTEL)     0.50 IN   0400 PM 05/20   MESOWEST             

...KOOTENAI COUNTY...
3 SW HUETTER                 1.27 IN   0526 PM 05/20                        
POST FALLS                   1.06 IN   0646 PM 05/20   CWOP                 
RATHDRUM                     0.87 IN   0700 PM 05/20   CWOP                 
ATHOL                        0.69 IN   0700 PM 05/20   CWOP                 
COEUR D ALENE                0.68 IN   0649 PM 05/20   CWOP                 
HARRISON                     0.57 IN   0646 PM 05/20   CWOP                 
COEUR D ALENE AIRPORT        0.55 IN   0656 PM 05/20   AWOS                 
COEUR D'ALENE                0.46 IN   0700 PM 05/20   CWOP                 
DALTON GARDENS               0.43 IN   0705 PM 05/20   AWS                  
BAYVIEW                      0.35 IN   0900 AM 05/20   COOP                 

...LATAH COUNTY...
MOSCOW                       1.05 IN   0657 PM 05/20   CWOP                 
POTLATCH                     0.94 IN   0611 PM 05/20   RAWS                 
LINDEN                       0.72 IN   0659 PM 05/20   CWOP                 
SHOCK                        0.62 IN   0610 PM 05/20   RAWS                 
1.7 N MOSCOW                 0.49 IN   0600 AM 05/20   COCORAHS             
2.7 NE ONAWAY                0.39 IN   0800 AM 05/20   COOP                 
TROY                         0.35 IN   0645 PM 05/20   CWOP                 

...LEWIS COUNTY...
MISSION CREEK                1.05 IN   0603 PM 05/20   RAWS                 
CRAIGMONT                    0.33 IN   0655 PM 05/20   CWOP                 

...NEZ PERCE COUNTY...
CORRAL CREEK                 0.89 IN   0649 PM 05/20   RAWS                 
4.1 SSW LAPWAI               0.63 IN   0700 AM 05/20   COCORAHS             
LEWISTON AIRPORT             0.51 IN   0656 PM 05/20   ASOS                 
JULIAETTA 6.8 SSW            0.31 IN   0700 AM 05/20   COCORAHS             

...SHOSHONE COUNTY...
12.8 S AVERY (SNOTEL)        0.50 IN   0500 PM 05/20   MESOWEST             
10.0 N CLARKIA (SNOTEL)      0.50 IN   0500 PM 05/20   MESOWEST             
NUCKOLS                      0.40 IN   0608 PM 05/20   RAWS                 
MAGEE PEAK                   0.33 IN   0609 PM 05/20   RAWS                 
FISH HOOK                    0.31 IN   0608 PM 05/20   RAWS                 
3.7 N PRICHARD               0.30 IN   0545 PM 05/20   HADS                 

...WASHINGTON...

...ADAMS COUNTY...
WASHTUCNA / HOOPER           1.29 IN   0645 PM 05/20   CWOP                 
LIND 3 NE                    0.68 IN   0430 PM 05/20   COOP                 
4.4 NE CUNNINGHAM (AGRIMET)  0.55 IN   0600 PM 05/20   MESOWEST             
0.2 ESE RITZVILLE            0.33 IN   0700 AM 05/20   COCORAHS             

...ASOTIN COUNTY...
ANATONE                      1.30 IN   0659 PM 05/20   CWOP                 
ANATONE 6.0 E                0.90 IN   0549 AM 05/20   COCORAHS             
6.1 SE PEOLA (SNOTEL)        0.80 IN   0500 PM 05/20   MESOWEST             
5.6 W CLARKSTON HEIGHTS (AGR 0.56 IN   0600 PM 05/20   MESOWEST             
7.6 NW ANATONE               0.56 IN   0800 AM 05/20   COOP                 

...CHELAN COUNTY...
16.4 N TELMA (SNOTEL)        0.40 IN   0500 PM 05/20   MESOWEST             

...GARFIELD COUNTY...
9.0 SW PEOLA (SNOTEL)        1.50 IN   0500 PM 05/20   MESOWEST             
ALDER                        1.47 IN   0610 PM 05/20   RAWS                 
POMEROY 30N                  1.40 IN   0615 PM 05/20   CWOP                 
POMEROY                      1.31 IN   0645 PM 05/20   CWOP                 
7.5 S DUSTY (AGRIMET)        1.28 IN   0600 PM 05/20   MESOWEST             
2.5 SE POMEROY               0.64 IN   0635 AM 05/20   COCORAHS             
POMEROY 0.5 WSW              0.54 IN   0700 AM 05/20   COCORAHS             

...LINCOLN COUNTY...
5 WNW TYLER                  1.01 IN   0350 PM 05/20   PUBLIC               
1.0 E DAVENPORT              0.45 IN   0600 PM 05/20   HADS                 

...PEND OREILLE COUNTY...
DEER PARK                    0.44 IN   0649 PM 05/20   CWOP                 
FLOWERY TRAIL                0.41 IN   0530 PM 05/20   RAWS                 
DEER MOUNTAIN                0.32 IN   0656 PM 05/20   RAWS                 
TACOMA CREEK                 0.30 IN   0603 PM 05/20   RAWS                 

...SPOKANE COUNTY...
CHATTAROY                    1.15 IN   0655 PM 05/20   CWOP                 
SPOKANE FELTS FIELD          1.05 IN   0653 PM 05/20   ASOS                 
OTIS ORCHARDS                1.02 IN   0659 PM 05/20   CWOP                 
SPOKANE                      0.98 IN   0645 PM 05/20   CWOP                 
SPOKANE                      0.97 IN   0645 PM 05/20   CWOP                 
SPOKANE VALLEY               0.96 IN   0647 PM 05/20   CWOP                 
SPOKANE                      0.95 IN   0651 PM 05/20   CWOP                 
FAIRCHILD AFB                0.94 IN   0658 PM 05/20   AWOS                 
CHENEY                       0.80 IN   0628 PM 05/20   RAWS                 
SPOKANE                      0.77 IN   0645 PM 05/20   CWOP                 
SPOKANE INTL AIRPORT         0.76 IN   0653 PM 05/20   ASOS                 
SPOKANE                      0.72 IN   0656 PM 05/20   CWOP                 
5.6 SE CHENEY                0.68 IN   0200 PM 05/20   HADS                 
2 N SPOKANE                  0.63 IN   0706 PM 05/20   TRAINED SPOTTER      
SPOKANE                      0.62 IN   0659 PM 05/20   CWOP                 
DEER PARK AIRPORT            0.55 IN   0653 PM 05/20   ASOS                 
ARCADIA ORCHARDS             0.49 IN   0647 PM 05/20   RAWS                 
CHENEY                       0.45 IN   0100 PM 05/20   PUBLIC               
CHENEY                       0.42 IN   0656 PM 05/20   CWOP                 
SPOKANE                      0.42 IN   0646 PM 05/20   CWOP                 

...STEVENS COUNTY...
NINE MILE FALLS              0.56 IN   0655 PM 05/20   CWOP                 
NINE MILE FALLS              0.51 IN   0645 PM 05/20   CWOP                 
DEER PARK                    0.44 IN   0647 PM 05/20   CWOP                 
BIG BLUE                     0.44 IN   0641 PM 05/20   RAWS                 
WELLPINIT                    0.41 IN   0608 PM 05/20   RAWS                 
CEDAR CREEK ORCHARD          0.37 IN   0625 PM 05/20   RAWS                 
PAL MOORE ORCHARD            0.36 IN   0655 PM 05/20   RAWS                 
COLVILLE                     0.36 IN   0646 PM 05/20   CWOP                 
LITTLE PEND OREILLE NWR      0.33 IN   0628 PM 05/20   RAWS                 
1.8 S SPRINGDALE (AGRIMET)   0.32 IN   0600 PM 05/20   MESOWEST             

...WHITMAN COUNTY...
ESCURE                       1.56 IN   0641 PM 05/20   RAWS                 
GARFIELD                     1.44 IN   0700 PM 05/20   CWOP                 
PULLMAN                      0.96 IN   0631 PM 05/20   CWOP                 
PULLMAN/MOSCOW AIRPORT       0.94 IN   0653 PM 05/20   ASOS                 
TEKOA                        0.70 IN   0600 PM 05/20   COOP                 
COLTON                       0.49 IN   0637 PM 05/20   CWOP                 
PULLMAN 2 NW                 0.42 IN   0900 AM 05/20   COOP                 
PALOUSE 3.2 SSW              0.40 IN   0700 AM 05/20   COCORAHS             
0.3 SE THORNTON              0.38 IN   0800 AM 05/20   COCORAHS             

OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING
EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS 
FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.

$$

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