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Nowcast

• 

• Now as of 7:01 PM PDT on May 22, 2013

  At 656 PM...National Weather Service Doppler radar indicated showers along a line extending from Davenport...to Cheney...to 24 miles south of Post Falls...moving north at 35 mph. These showers will be near Valleyford...Airway Heights around 705 PM... miles...Mica around 710 PM... Little Falls dam...Spokane around 715 PM... Nine Mile Falls...Wellpinit...Veradale and opportunity around 720 PM. Heavy downpours...wind gusts to 35 mph and pea-size hail are possible with these showers.

Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Wednesday
• 
• High: 50 °
• Low: 32 °
• Chance of Rain

• Thursday
• 
• High: 59 °
• Low: 36 °
• Chance of Rain

• Friday
• 
• High: 63 °
• Low: 37 °
• Chance of Rain

• Saturday
• 
• High: 63 °
• Low: 41 °
• Chance of Rain

• Sunday
• 
• High: 66 °
• Low: 50 °
• Chance of Rain

Area forecast discussion 
National Weather Service Spokane Washington 
521 PM PDT Wed may 22 2013 


Synopsis... 
a cool and wet period awaits the inland northwest care of a cold 
upper level low. Occasional showers are expected each day through 
the end of the week with cooler than normal temperatures. Snow 
will also be possible over the mountains. Conditions could 
moderate a bit by the weekend as the low moves out of the area 
but it will be replaced by another cool low sometime early next week. 




&& 


Discussion... 
evening update: we have lowered snow levels and added some light 
snow accumulations for the far northern portions of the Idaho 
Panhandle...mostly over Boundary County where moderate to heavy 
precipitation continues to fall and is driving down snow levels to 
elevations as low as 1800 ft. A spotter from moyie at an elevation 
of 2300' has reported one inch of snow with this activity. Most 
cams from the area do not show accumulations on roadways so will 
hold off on any winter weather highlights. 


We have also increased pops and added isolated thunderstorms 
across southeastern Washington and lower portions of the Columbia Basin. 
Breaks in the cloud cover coupled with the -30c cold pool under 
the upper-low has resulted in widely scattered showers and a few 
thunderstorms. At this time the main T-storm activity was over the 
Pomeroy area and this may need to be expanded to the west and 
north and will see how trends are the next hour before making 
additional changes. /Sb 


&& 


Aviation... 
00z tafs: an upper level low pressure area centered in the vicinity 
of the aviation area allows for a cluttered forecast of primarily 
showers at various times, either surface based or the elevated 
forced type in the forecast for most of the time interval through 
00z Friday. These showers may produce MVFR ceilings at times. 
Additionally some late night and early morning fog near rivers and 
northern valleys could produce brief MVFR visibilities along with 
some frost as temperatures drop below freezing for a brief spell 
near kpuw, kdew...and other more favorable aviation locations. 
Additionally a very small potential for thunder exists near 
Cascades and vicinity klws and portions of north Idaho Panhandle. 
/Pelatti 




&& 


Preliminary point temps/pops... 
Spokane 36 60 41 60 42 64 / 20 20 20 40 30 30 
Coeur D'Alene 35 59 37 60 40 64 / 20 20 20 40 40 30 
Pullman 32 59 37 57 40 64 / 30 20 20 40 20 30 
Lewiston 38 66 44 64 45 71 / 40 20 10 40 20 30 
Colville 35 63 37 68 41 69 / 70 30 30 50 40 40 
Sandpoint 34 58 35 62 39 64 / 80 30 20 50 50 40 
Kellogg 34 55 37 56 41 61 / 40 30 30 50 50 40 
Moses Lake 39 66 41 69 45 72 / 40 20 20 30 20 10 
Wenatchee 41 63 44 66 47 69 / 60 40 30 30 20 20 
Omak 35 65 37 68 42 69 / 60 30 30 40 30 30 


&& 


Otx watches/warnings/advisories... 
Idaho...freeze warning from 2 am to 7 am PDT Thursday for Idaho Palouse. 


Washington...freeze warning from 2 am to 7 am PDT Thursday for Washington 
Palouse. 


&& 


$$