Coulee City, Washington Weather Conditions

Severe Weather Alerts

Your Weather

To update your location please enter your ZIP code, city, state, airport code or country in the field below. Weather by E-mail: Forecast storm alerts. Weather E-Mail Alert Sign Up »

Current Conditions

  • 76°
  • Partly Cloudy
  • Wind: North 26 mph
  • Humidity: 37%
  • Visibility: 10.0 miles
  • Dew Point: 48°
  • Pressure: 29.95 in. +

Nowcast

  • Now as of 5:47 PM PDT on August 22, 2014

    Through 7 PM...scattered showers with isolated embedded thunderstorms will track south to southwest at 15 mph over the Columbia Basin and Waterville Plateau...as well as the Manson area. Expect occasional cloud to ground lightning...brief heavy rain...and possible small hail with the strongest cells.

Select a Section

Click a section below for more information.

Next 12 Hours

8  pm
11  pm
2  am
5  am
8  am
Thunderstorm
T-storms
Clear
Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
70°
66°
64°
63°
68°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Friday
  • Thunderstorm
  • High: 82 °
  • Low: 63 °
  • T-Storms
  • Saturday
  • Partly Cloudy
  • High: 82 °
  • Low: 63 °
  • Partly Cloudy
  • Sunday
  • Chance of a Thunderstorm
  • High: 84 °
  • Low: 61 °
  • Chance of a Thunderstorm
  • Monday
  • Clear
  • High: 86 °
  • Low: 61 °
  • Clear
  • Tuesday
  • Clear
  • High: 90 °
  • Low: 64 °
  • Clear

Forecast for Coulee City, Washington

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

  • Friday

    Clear with thunderstorms and rain showers in the morning, then partly cloudy with thunderstorms and rain showers. High of 82F. Winds from the NNE at 10 to 15 mph. Chance of rain 50%.

  • Friday Night

    Partly cloudy with thunderstorms and rain showers. Low of 63F. Winds from the North at 10 to 15 mph. Chance of rain 50%.

  • Saturday

    Partly cloudy in the morning, then clear. High of 82F. Winds from the NE at 10 to 15 mph.

  • Saturday Night

    Clear in the evening, then partly cloudy. Low of 63F. Winds from the NNW at 5 to 10 mph.

  • Sunday

    Clear with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds less than 5 mph. Chance of rain 20%.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 61F. Winds from the NNE at 5 to 10 mph. Chance of rain 20%.

  • Monday

    Clear in the morning, then partly cloudy. High of 86F. Winds from the North at 5 to 10 mph.

  • Monday Night

    Partly cloudy in the evening, then clear. Low of 61F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 90F. Winds from the WSW at 5 to 10 mph shifting to the South in the afternoon.

  • Tuesday Night

    Clear. Low of 64F. Winds from the SSW at 5 to 10 mph.

  • Wednesday

    Clear. High of 95F. Winds from the SSW at 5 to 10 mph.

  • Wednesday Night

    Clear. Low of 70F. Winds from the SW at 5 to 10 mph.

  • Thursday

    Partly cloudy. High of 93F. Winds from the SW at 5 to 10 mph.

  • Thursday Night

    Partly cloudy. Low of 66F. Winds from the West at 5 to 15 mph.

  • Friday

    Clear. High of 90F. Winds from the SSW at 5 to 15 mph.

  • Friday Night

    Clear. Low of 68F. Winds from the WSW at 5 to 15 mph.

  • Saturday

    Mostly cloudy. High of 77F. Winds less than 5 mph.

  • Saturday Night

    Mostly cloudy. Low of 59F. Winds less than 5 mph.

  • Sunday

    Partly cloudy. High of 77F. Winds less than 5 mph.

  • Sunday Night

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

  • Monday

    Partly cloudy. High of 77F. Winds less than 5 mph.

  • Monday Night

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

  • Tuesday

    Clear. High of 77F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Local Storm Report 



08/22/2014 0330 PM

14 miles NE of Nespelem, Ferry County.

Debris flow, reported by dept of highways.


            Brief thunderstorm caused a debris flow on State Route 21
            causing delays in both directions. This area is part of
            the Devils Elbow burn scar. Time of event estimated from
            radar.




Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Adrian, Soap Lake, WA

Updated: 6:33 PM PDT

Temperature: 74.8 °F Dew Point: 51 °F Humidity: 44% Wind: North at 2.7 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: MesoWest Soap Lake WA US WA DOT, Soap Lake, WA

Updated: 5:15 PM PDT

Temperature: 80 °F Dew Point: 49 °F Humidity: 34% Wind: North at 16 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: 3 miles ESE of Grand Coulee Dam, in Lincoln County, WA, Grand Coulee, WA

Updated: 6:30 PM PDT

Temperature: 63.1 °F Dew Point: 56 °F Humidity: 77% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.06 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 
433 PM PDT Friday Aug 22 2014 


Synopsis... 
showers and thunderstorms will decrease tonight with the threat 
for flash flooding decreasing this evening. Mainly an isolated 
shower threat over the mountains on Saturday with a better chance 
of showers and thunderstorms expected Sunday for this weekend. A 
drier and warmer weather pattern is expected for the new work 
week. 


&& 


Discussion... 
tonight: satellite imagery indicates that the low pressure system 
is situated right over southeast Washington/northeast or. The best 
combination of lift and instability is located along the southeast 
quadrant of the low. This is where we are seeing the best 
thunderstorm activity into this afternoon. This moisture will 
continue to wrap itself around the low into the northern 
Panhandle, across northeast Washington and wrap into the east slopes of 
the Cascades and into western basin. This area will also continue 
to destabilize through the late afternoon hours. Due to a lack of 
large scale lift across these areas, I don't think thunderstorms 
will be as prevalent or become as strong. With that said, there 
will continue to be a risk for flash flooding and debris flows on 
the burn scars as these thunderstorms will be slow moving and 
have the potential of training over one area. The Flash Flood 
Watch remains valid for the east slopes of the Cascades and no 
changes are anticipated for the rest of today. Showers and 
thunderstorms will begin to wane through the evening and 
generally be confined to extreme eastern Idaho and into Montana 
overnight. 


Saturday into Saturday night: this will be a break period between 
weather systems. Soundings show the potential for a lot of flat 
cumulus cloud cover over the region. I don't see a good potential 
for shower activity during the afternoon on Saturday with a 
capping inversion at about 12 kft, but did keep a chance of 
showers over the mountains. Temperatures are expected to warm up a 
little bit across eastern Washington to near normal. The Panhandle will 
likely remain below normal for mid August. The next weather system 
will begin to enter into the region from the northwest Saturday 
night. Mid levels will begin to destabilize and I increase precip 
chances a little bit mainly across the northern mountains 
continuing into Sunday morning. /Svh 


Sunday through Friday...another upper level trough will drop south 
out of British Columbia into the inland northwest on Sunday 
bringing another round of showers with embedded thunderstorms. 
Models have trended wetter with a bit more instability over the 
area. Lingering low level moisture will add to the instability and 
thus confidence is good in this trend and have increased pop's. 
Very minimal shear will result in storms being the short lived 
type with brief heavy rain and small hail. On Monday the trough 
axis shifts east into Montana. A lingering cold pool aloft over 
the Idaho Panhandle and possibly extreme eastern Washington will 
result in residual shower activity and possibly a stray 
thunderstorm. An upper ridge will then build in Tuesday and 
Wednesday for warmer and dry conditions. On Thursday and Friday 
the ridge begins to flatten in response to an upper low dropping 
southeast from the Gulf of Alaska. A gradual cooling trend is 
likely Thursday and Friday. 


Looking just beyond current forecast period...if current models 
pan out the upper low moves into the region over Labor Day weekend 
with some model consistency supporting this idea. This would 
result in more significant cooling and a chance of showers. Jw 


&& 


Aviation... 
00z tafs: an upper level area of low pressure will continue to 
remain overhead of most of the aviation area tonight so showers 
and thunderstorms with brief MVFR ceilings and visibilities under 
the more intense thunderstorms may occur. This low should make 
slow progress southeast and away from the aviation area late 
tonight and tomorrow and be less of an influence so the forecast 
shows a general drying trend into tomorrow with the expectation 
there will be some afternoon and evening cumulus development. 
/Pelatti 


&& 


Preliminary point temps/pops... 
Spokane 55 76 55 76 56 80 / 30 10 10 40 40 10 
Coeur D'Alene 53 73 53 76 53 78 / 30 10 10 40 40 20 
Pullman 50 75 50 77 51 80 / 40 10 10 40 40 20 
Lewiston 59 81 58 82 59 85 / 50 20 10 20 20 10 
Colville 50 80 50 78 52 82 / 60 10 10 60 60 10 
Sandpoint 49 71 48 72 49 75 / 40 20 10 50 50 20 
Kellogg 50 67 49 69 53 74 / 40 20 20 50 50 30 
Moses Lake 56 83 56 84 56 86 / 50 0 0 20 20 0 
Wenatchee 61 83 60 82 62 85 / 60 0 0 20 20 0 
Omak 57 84 56 82 55 86 / 50 0 10 30 30 10 


&& 


Otx watches/warnings/advisories... 
Idaho...none. 
Washington...Flash Flood Watch until 9 PM PDT this evening for east slopes 
northern Cascades-Okanogan Valley-Wenatchee area. 


&& 


$$ 



National Weather Service Glossary of Abbreviations

Non-Expanded Version (with abbreviations)

Powered by the Weather Underground, Inc.