Clarkston, Washington Weather Conditions

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Current Conditions

  • 78°
  • Mostly Cloudy
  • Wind: ENE 9 mph
  • Humidity: 60%
  • Visibility: 10.0 miles
  • Dew Point: 63°
  • Pressure: 30.01 in. +

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Next 12 Hours

5  pm
8  pm
11  pm
2  am
5  am
Chance of a Thunderstorm
Chance of T-storms
Thunderstorm
T-storms
Thunderstorm
T-storms
Thunderstorm
T-storms
Chance of a Thunderstorm
Chance of T-storms
90°
84°
79°
66°
66°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Chance of a Thunderstorm
  • High: 91 °
  • Low: 66 °
  • Chance of T-Storms
  • Wednesday
  • Thunderstorm
  • High: 90 °
  • Low: 61 °
  • T-Storms
  • Thursday
  • Partly Cloudy
  • High: 75 °
  • Low: 57 °
  • Partly Cloudy
  • Friday
  • Partly Cloudy
  • High: 84 °
  • Low: 52 °
  • Partly Cloudy
  • Saturday
  • Clear
  • High: 91 °
  • Low: 57 °
  • Clear

Forecast for Clarkston, Washington

Updated: 8:00 PM PDT on July 22, 2014

  • Tuesday

    Overcast with a chance of a thunderstorm and rain showers in the morning, then clear with a chance of a thunderstorm and rain showers. High of 91F. Winds less than 5 mph. Chance of rain 50%.

  • Tuesday Night

    Partly cloudy with thunderstorms and rain showers, then thunderstorms after midnight. Low of 66F. Winds from the NE at 5 to 10 mph. Chance of rain 50%.

  • Wednesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain, then thunderstorms in the afternoon. High of 90F. Windy. Winds from the East at 10 to 25 mph with gusts to 35 mph shifting to the WNW in the afternoon. Chance of rain 50%.

  • Wednesday Night

    Partly cloudy with thunderstorms and rain showers, then a chance of rain after midnight. Low of 61F. Breezy. Winds from the WNW at 10 to 20 mph with gusts to 30 mph shifting to the SW after midnight. Chance of rain 60%.

  • Thursday

    Partly cloudy. High of 75F. Winds from the North at 10 to 15 mph shifting to the West in the afternoon.

  • Thursday Night

    Clear. Low of 57F. Winds from the SW at 5 to 15 mph.

  • Friday

    Partly cloudy in the morning, then clear. High of 84F. Winds from the WSW at 5 to 10 mph.

  • Friday Night

    Clear. Low of 52F. Winds less than 5 mph.

  • Saturday

    Partly cloudy in the morning, then clear. High of 91F. Winds less than 5 mph.

  • Saturday Night

    Clear. Low of 57F. Winds less than 5 mph.

  • Sunday

    Partly cloudy in the morning, then clear. High of 97F. Winds less than 5 mph.

  • Sunday Night

    Clear. Low of 64F. Winds less than 5 mph.

  • Monday

    Clear. High of 100F. Winds from the NW at 5 to 10 mph.

  • Monday Night

    Clear. Low of 66F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 99F. Winds from the WNW at 5 to 10 mph.

  • Tuesday Night

    Clear. Low of 61F. Winds less than 5 mph.

  • Wednesday

    Clear. High of 84F. Winds from the WNW at 5 to 10 mph.

  • Wednesday Night

    Clear. Low of 57F. Winds less than 5 mph.

  • Thursday

    Clear. High of 86F. Winds less than 5 mph.

  • Thursday Night

    Clear. Low of 54F. Winds less than 5 mph.

  • Friday

    Clear. High of 86F. Winds less than 5 mph.

  • Friday Night

    Clear. Low of 55F. Winds less than 5 mph.

  • Saturday

    Clear. High of 84F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Fire Weather Warning  Statement as of 3:18 PM PDT on July 22, 2014


... Red flag warning remains in effect until 11 PM PDT Wednesday
for thunderstorms producing abundant lightning across fire
weather zones or639... or641... or642... or643... or644... or645...
wa639... wa641... wa643... wa645... wa675 and wa681...

A red flag warning remains in effect until 11 PM PDT Wednesday.

* Affected area... in orz639... fire weather zone 639 east slopes
of the northern Oregon Cascades. In orz641... fire weather zone
641 lower Columbia Basin of Oregon. In orz642... fire weather
zone 642 southern blue and Strawberry mountains. In orz643...
fire weather zone 643 northern Blue Mountains of Oregon. In
orz644... fire weather zone 644 central Blue Mountains. In
orz645... fire weather zone 645 Wallowa district. In waz639...
fire weather zone 639 east slopes of the southern Washington
Cascades. In waz641... fire weather zone 641 lower Columbia
Basin of Washington. In waz643... fire weather zone 643 Blue
Mountains of Washington. In waz645... fire weather zone 645
Asotin County. In waz675... fire weather zone 675 eastern
Washington southern Columbia Basin. In waz681... fire weather
zone 681 yakama alpine district.

* Timing... storms will continue to develop over the eastern
mountains and move north to northeast. Occasional scattered
thunderstorms will be possible through Wednesday evening.

* Thunderstorms... some storms may become strong with outflow winds
around 40 mph and hail.

* Precipitation... there will be a mix of wet and dry storms with
anywhere from a few hundredths of an inch to over one quarter
of an inch of rain possible.

* Lightning activity level... 3 to 4.

* Impacts... frequent lightning and critically dry fuels may
result in numerous fire starts.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are either occurring now... or will shortly. A combination of
strong winds... low relative humidity... and warm temperatures can
contribute to extreme fire behavior.






Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Clarkston Heights, Clarkston, WA

Updated: 6:28 PM PDT

Temperature: 80.7 °F Dew Point: 59 °F Humidity: 48% Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: Normal Hill Weather Station, Lewiston, ID

Updated: 6:28 PM PDT

Temperature: 79.5 °F Dew Point: 38 °F Humidity: 23% Wind: SSW at 3.1 mph Pressure: 29.12 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Vern Eide Motorcars, Lewiston, ID

Updated: 6:03 PM PDT

Temperature: 78.7 °F Dew Point: 48 °F Humidity: 34% Wind: Calm Pressure: 29.70 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: MesoWest Silcott Island WA US AGRIMET, Clarkston, WA

Updated: 5:00 PM PDT

Temperature: 86 °F Dew Point: 52 °F Humidity: 31% Wind: WNW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: HADS ALPOWA CREEK AT MOUTH NEAR CLARK WA US WADOECO, Clarkston, WA

Updated: 5:15 PM PDT

Temperature: 85 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 82 °F Graphs

Location: Harvest Vista/Pheasant Trail Estates @ Schaub Ranch, Lewiston, ID

Updated: 6:28 PM PDT

Temperature: 72.3 °F Dew Point: 65 °F Humidity: 79% Wind: East at 4.0 mph Pressure: 29.90 in Hourly Precipitation: 0.16 in Heat Index: 73 °F Graphs

Location: MesoWest Alpowa Summit WA US WA DOT, Pomeroy, WA

Updated: 5:10 PM PDT

Temperature: 76 °F Dew Point: 55 °F Humidity: 48% Wind: West at 2 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: ITD Cottonwood ID US, Juliaetta, ID

Updated: 5:30 PM PDT

Temperature: 86 °F Dew Point: 53 °F Humidity: 31% Wind: North at 4 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Town of Colton, Colton, WA

Updated: 6:20 PM PDT

Temperature: 67.3 °F Dew Point: 59 °F Humidity: 74% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: ITD Shirrod Hill ID US, Genesee, ID

Updated: 5:30 PM PDT

Temperature: 76 °F Dew Point: 51 °F Humidity: 41% Wind: NW at 8 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: Wawawai -Baker Ranch -South Rim, Colton, WA

Updated: 3:28 PM HST

Temperature: 75.7 °F Dew Point: 53 °F Humidity: 46% Wind: WNW at 2.0 mph Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: 1 Mile North of Pomeroy, Pomeroy, WA

Updated: 6:28 PM PDT

Temperature: 74.7 °F Dew Point: 58 °F Humidity: 55% Wind: WSW at 1.0 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

Location: Paradise Creek Brewery - Downtown Pullman, Pullman, WA

Updated: 6:24 PM PDT

Temperature: 72.8 °F Dew Point: 65 °F Humidity: 77% Wind: North at 2.0 mph Pressure: 30.21 in Hourly Precipitation: 0.01 in Heat Index: 74 °F Graphs

Location: Westview, Moscow, ID

Updated: 6:28 PM PDT

Temperature: 68.8 °F Dew Point: 59 °F Humidity: 71% Wind: West at 1.0 mph Pressure: 29.97 in Hourly Precipitation: 0.06 in Heat Index: - Graphs

Location: Barclay Ridge, Pullman, WA

Updated: 6:24 PM PDT

Temperature: 70.0 °F Dew Point: 58 °F Humidity: 65% Wind: East at 14.0 mph Pressure: 30.01 in Hourly Precipitation: - Heat Index: - Graphs

Location: Montgomery Ridge Road, Anatone, WA

Updated: 6:27 PM PDT

Temperature: 67.9 °F Dew Point: 57 °F Humidity: 68% Wind: NNE at 4.3 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: RAWS MISSION CREEK ID US, Winchester, ID

Updated: 6:03 PM PDT

Temperature: 73 °F Dew Point: 55 °F Humidity: 54% Wind: NW at 6 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

Location: ITD Winchester ID US,

Updated: 12:30 AM GMT

Temperature: 72 °F Dew Point: 57 °F Humidity: 57% Wind: North at 4 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: HADS SOLDIERS MEADOW RESERVOIR AND DA ID US USBR, Winchester, ID

Updated: 5:45 PM PDT

Temperature: 85 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 82 °F Graphs

Location: RAWS ALDER RIDGE WA US, Pomeroy, WA

Updated: 5:10 PM PDT

Temperature: 66 °F Dew Point: 54 °F Humidity: 65% Wind: NW at 3 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Spokane Washington 
434 PM PDT Tuesday Jul 22 2014 


Synopsis... 
a strong storm system will move through the region tonight and 
Wednesday bringing the potential for thunderstorms and heavy rain. 
Cool and windy weather is expected for Thursday. Temperatures 
will rebound by the weekend and be accompanied by dry conditions. 
Hot weather will return to the area on Sunday and early next week. 


&& 


Discussion... 
tonight through Wednesday night: a very active pattern is expected 
over the inland northwest in the next 36 hours. Much of northeast 
or, into extreme southeast Washington and into the central Panhandle mtns 
has seen a good amount of sunshine through the first half of 
today. This has destabilized the atmosphere with thunderstorms 
popping up across much of northeast or this afternoon. Further 
north into southeast Washington we still remain capped and less unstable. 
I expect much of this thunderstorm activity will weaken as it 
progresses northward through at least the early portions of the 
afternoon. Mid level lapse rates will become more unstable through 
the evening into tonight with most unstable CAPES (or mucapes) of 
around 200-400 j/kg between the 700-300 mb layer. The best 
instability closer to 400 j/kg in this layer will be across the 
southeast portion of the forecast area this evening (generally 
over the Palouse to the central Panhandle mtns and points 
southward). We will also see some large scale forcing occurring 
with a shortwave moving northward out of California into Oregon. 
The southeast portion of the forecast area will also be in the 
left exit region of a 100 kt jet streak. This forcing combined 
with the increasing instability should result in some stronger 
thunderstorms developing across the southeast portion of the 
forecast area. Gusty outflow winds and small hail will be the 
primary thunderstorm threat. I would not be surprised if some 
thunderstorms approach severe levels. 


The threat for thunderstorms will increase northward across the 
region overnight. MUCAPES away from the southeast portion of the 
forecast area will not be as exciting closer to 200 j/kg in the 
700-300 mb layer. This will be sufficient for the possibility of 
isolated thunderstorms. The mid level front offshore associated 
with the upper level low pressure system will begin to approach 
the Cascades Wednesday morning. A band of moderate to heavy 
rainfall is expected to form out ahead of the front. There will 
also be the possibility for some thunderstorms embedded in this 
ran band that may produce more intense rainfall rates. 
Thunderstorms will continue to be possible over the Cascades 
through the afternoon into the evening as the cold pool aloft 
shifts over this area of the region. Rapid runoff from the heavy 
rain is expected. Debris or mud flows will also be possible with 
the highest concern for recent burn scared areas. A Flash Flood 
Watch has been issued to cover this threat and is in effect for 
Wednesday morning through Wednesday evening. 


Severe weather will also be possible Wednesday afternoon/evening, 
mainly across the eastern half of the forecast area. The upper 
level low will push across the Cascades just after peak heating. 
Very strong upper level dynamics will accompany this wave. 
Instability is a little bit of a question mark as there will be a 
substantial amount of cloud cover along the mid level front. The 
best possibility for sun breaks and instability will be in the 
Panhandle where the best severe threat will be. Main threats will 
be for outflow winds and hail. P-wats will also be up around an 
inch, so these thunderstorms will be very wet. The good news is 
that storm motion will be quick will move at approximately 25-30 
mph to the northeast. 


Winds will become gusty behind the cold front on Wednesday. Expect 
sustained winds of 20-25 mph across the basin with gusts up to 
30-35 mph by the late afternoon hours. /Svh 


Thursday through Saturday night: a deep closed low will be moving 
over the forecast area on Thursday. This low is anomalously deep 
for this time of year. And the result will be much cooler 
temperatures. In fact, some locations north and east of Spokane 
won't even reach 70f for a high. The clouds and showers should be 
confined across the northern locations (north of Highway 2). We 
could also see a few thunderstorms near the Canadian border. The 
cold air aloft will cause the atmosphere to be unstable, but the 
low moves east of our area during the afternoon, so the timing is 
not optimal. The other aspect of Thursday will be the wind, 20-30 
mph. Combined with the cooler temperatures, this will make for a 
decidedly non-summerlike day. 


The low moves out of the area Thursday night as high pressure 
builds into the area. This will bring dry weather with a gradual 
warming trend. Rj 


Sunday thru Tuesday... ec and GFS in good agreement on overall 
pattern thru this period. Strong ridging over the region on Sunday 
moves slightly east as a short wave moves onshore over the central 
British Columbia coast and the Alaska Panhandle. Flow shifts to weak southwesterly 
but models keep most of the precipitation and moisture well south 
and east of the area. Above average temperatures on Sunday will 
bump up a few degrees on Monday and Tuesday with little or no 
chance of precipitation. Jl 


&& 


Aviation... 
00z tafs: a low pressure system circulating off of southeast British Columbia 
will continue to push moisture across the inland northwest with 
showers and thunderstorms affecting all taf sites. The strongest 
thunderstorms are expected to develop over northeast or and track 
into southeast Washington and into the central portions of the Idaho 
Panhandle. Gusty outflow winds and small hail will be possible 
with these thunderstorms through the evening. Scattered showers 
and isolated thunderstorms will continue overnight but confidence 
is low that they will affect any particular taf site. -Tsra will 
be more widespread Wednesday afternoon with thunderstorms capable 
of producing heavy rain, small hail and gusty outflow winds. /Ek 




&& 


Preliminary point temps/pops... 
Spokane 62 83 52 69 51 77 / 40 50 80 10 10 0 
Coeur D'Alene 60 84 53 68 52 76 / 40 50 80 20 10 0 
Pullman 62 84 49 68 46 76 / 50 40 70 10 0 0 
Lewiston 65 90 58 77 57 85 / 50 40 60 10 0 0 
Colville 58 81 51 71 51 78 / 20 60 80 40 10 0 
Sandpoint 58 85 51 65 49 73 / 30 50 80 50 10 0 
Kellogg 58 85 52 64 50 71 / 50 40 80 20 10 0 
Moses Lake 66 83 56 77 57 85 / 30 50 40 10 0 0 
Wenatchee 63 75 59 74 59 85 / 40 70 40 10 0 0 
Omak 60 77 55 76 53 85 / 20 80 60 20 10 0 


&& 


Otx watches/warnings/advisories... 
Idaho...none. 
Washington...Flash Flood Watch from Wednesday morning through Wednesday 
evening for east slopes northern Cascades-Okanogan Valley- 
Wenatchee area. 


&& 


$$ 



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