Chewelah, Washington Weather Conditions

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Current Conditions

  • 48°
  • Clear
  • Wind: N 5 mph
  • Humidity: 81%
  • Visibility: miles
  • Dew Point: 42°
  • Pressure: in.

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Next 12 Hours

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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Clear
  • High: 77 °
  • Low: 43 °
  • Clear
  • Monday
  • Clear
  • High: 79 °
  • Low: 46 °
  • Clear
  • Tuesday
  • Clear
  • High: 82 °
  • Low: 48 °
  • Clear
  • Wednesday
  • Partly Cloudy
  • High: 79 °
  • Low: 49 °
  • Partly Cloudy
  • Thursday
  • Rain
  • High: 72 °
  • Low: 44 °
  • Rain

Forecast for Chewelah, Washington

Updated: 8:51 PM PDT on April 30, 2016

  • Rest of Tonight

    Mostly clear. Lows in the upper 30s to lower 40s.

  • Sunday

    Mostly sunny. Patchy fog in the morning. Highs in the mid to upper 70s. Patchy fog in the morning. Northeast wind 5 to 15 mph in the afternoon.

  • Sunday Night

    Clear. Lows in the lower to mid 40s.

  • Monday

    Sunny. Highs in the upper 70s to lower 80s.

  • Monday Night

    Partly cloudy. Lows in the 40s.

  • Tuesday and Tuesday Night

    Mostly clear. Highs in the upper 70s to lower 80s. Lows in the 40s.

  • Wednesday and Wednesday Night

    Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid to upper 70s. Lows in the mid 40s to lower 50s. Chance of precipitation 50 percent.

  • Thursday

    Rain showers likely and a chance of thunderstorms. Highs around 70. Chance of precipitation 70 percent.

  • Thursday Night

    Mostly cloudy with a chance of showers and thunderstorms. Lows in the 40s. Chance of precipitation 40 percent.

  • Friday through Saturday

    Mostly cloudy with a 20 percent chance of rain showers. Highs in the 70s. Lows in the 40s.

Severe Weather Alert Descriptions

 Record Report  Statement as of 1:30 am PDT on April 30, 2016

... Record daily precipitation for Lewiston today...

The Nez Perce County Airport in Lewiston Idaho recorded 0.63 inches
of precipitation today breaking the previous precipitation record of
0.61 inches set back in 1993.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: 405 E. Lincoln, Chewelah, WA

Updated: 9:09 PM PDT

Temperature: 51.5 °F Dew Point: 48 °F Humidity: 86% Wind: North at 2.0 mph Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Dry Creek, Chewelah, WA

Updated: 9:08 PM PDT

Temperature: 48.7 °F Dew Point: 46 °F Humidity: 92% Wind: Calm Pressure: 30.13 in Hourly Precipitation: - Windchill: 49 °F Graphs

Location: Hunters, Hunters, WA

Updated: 9:11 PM PDT

Temperature: 49.5 °F Dew Point: 46 °F Humidity: 88% Wind: North at - Pressure: 30.21 in Hourly Precipitation: - Windchill: 50 °F Graphs

Location: Waterloo, Rice, WA

Updated: 9:11 PM PDT

Temperature: 46.4 °F Dew Point: 42 °F Humidity: 86% Wind: Calm Pressure: 27.76 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Cedar Loop, Colville, WA

Updated: 8:49 PM PDT

Temperature: 53.8 °F Dew Point: 47 °F Humidity: 79% Wind: Calm Pressure: 30.16 in Hourly Precipitation: - Windchill: - Graphs

Location: RAWS, Cusick, WA

Updated: 5:55 PM PDT

Temperature: 60 °F Dew Point: 41 °F Humidity: 50% Wind: SW at 2 mph Pressure: 30.25 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: 10th Avenue Colville, Colville, WA

Updated: 9:11 PM PDT

Temperature: 54.7 °F Dew Point: 50 °F Humidity: 83% Wind: Calm Pressure: 30.25 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Colville Mountain, Colville, WA

Updated: 9:11 PM PDT

Temperature: 53.3 °F Dew Point: 48 °F Humidity: 82% Wind: Calm Pressure: 30.22 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Colville Compound, Colville, WA

Updated: 9:11 PM PDT

Temperature: 54.7 °F Dew Point: 52 °F Humidity: 89% Wind: Calm Pressure: 30.33 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Fertile Valley, Newport, WA

Updated: 9:11 PM PDT

Temperature: 53.3 °F Dew Point: 42 °F Humidity: 66% Wind: WSW at 3.0 mph Pressure: 30.23 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Kettle Falls, WA, Kettle Falls, WA

Updated: 9:03 PM PDT

Temperature: 54.4 °F Dew Point: 46 °F Humidity: 72% Wind: ENE at 3.0 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Windchill: - Graphs

Location: Orin-Rice & South Basin, Colville, WA

Updated: 9:04 PM PDT

Temperature: 48.0 °F Dew Point: 41 °F Humidity: 77% Wind: West at 2.2 mph Pressure: 30.22 in Hourly Precipitation: - Windchill: 48 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion

Area forecast discussion 
National Weather Service Spokane Washington 
432 PM PDT Sat Apr 30 2016 

an isolated shower threat wanes this evening. High pressure 
builds Sunday and Monday, resulting in a warming trend, with 
temperatures climbing into the mid 70s to lower 80s. High pressure 
shifts east toward the middle of next week, allowing a chance for 
showers and thunderstorms to return. 


tonight through Monday night: the inland northwest dries out and warms up, 
until isolated shower chances start back into a small portion of 
the region late Monday. 

Tonight the area remains in a northeast flow. Low pressure tracks 
south of The Blues this evening and toward the or/California border by 
Sunday morning. Meanwhile the deformation axis lingering on its 
backside stretches and weakens. All this points to the threat of 
showers dwindling with the loss of heating. Clouds will also Ebb 
away. However with precipitation moistening up the boundary layer, 
I did introduce the threat of patchy fog overnight/early Sunday 
morning toward the l-c valley and in the sheltered northern 
valleys. There could also be some shallow fog near Spokane river 
and Long Lake areas but the risk is remote. 

Sunday into Monday high pressure flops over Pacific northwest 
into the northern rockies. The flow gradually turns easterly and 
then south to southeasterly. A modest northeast to southwest 
gradient continues through Sunday, which will continue to provide 
some breezy northeast winds. Also under this set-up milder air 
starts into the region, with temperatures pushing into the 70s to 
low 80s, especially by Monday. 

Lastly, later Monday into Monday night a mid-level disturbance 
starts to move up from the south. With an increase in some 
mid-level moisture and pockets of convective instability, expect 
some increased cloud cover for Monday afternoon and night. However 
there appears to be too much cin to produce any real significant 
threat of showers, except for a couple spots. Those spots include 
the Blue Mountains/Camas Prairie and the higher elevations around 
the Cascades. Even then at this time if anything occurs it looks 
like isolated. /J. Cote' 

Tuesday and Wednesday...model guidance is in good agreement with 
the overall synoptic pattern. This pattern will feature the 
eastward shift of the upper level ridge and its eventual 
replacement by moist southerly flow ahead of a deepening east 
Pacific trough. Precipitable water values are expected to near 
0.75 inches by Tuesday afternoon in the Cascades while the 
surface-850 mb flow begins to turn to the south or southeast. This 
should bring the initial chance of precipitation to this 
area...while farther east conditions will be considerably more 
stable given the positioning of the upper level ridge over western 
Montana. Model soundings on Tuesday afternoon reveal enough 
instability to support scattered showers and even a few 
thunderstorms near the Cascades. Synoptic scale forcing looks 
quite weak aside from some weak upper level divergence associated 
with upper level southerly jet. 

For Tuesday night through Wednesday night the chances for showers 
and thunderstorms will increase across the entire forecast area as 
the offshore trough shifts onto the coast but digs south toward 
California. The persistent southerly flow will bring more 
moisture into the region with precipitable water values nearing an 
inch over a good portion of eastern Washington. This is well over 
the 90th percentile and could support widespread precipitation as 
the instability increases rapidly. By Wednesday afternoon, we 
could be dealing with cape values in excess of 1000 j/kg, which is 
fairly substantial for this region, however other convective 
parameters, namely shear look paltry. Given this scenario we fully 
expect to see numerous showers and some thunderstorms, but nothing 
too substantial at this point. Suspect the main impact will be the 
possibility of some moderate to locally heavy rains. Model total 
rainfall and some model ensembles suggest the best potential for 
heavy rains will occur near the Cascades. These rains will be hit 
or miss rather than widespread, however when combined with 
significant runoff from mild temperatures (more on that later), 
there is some risk of hydrological issues. An river statement has 
already been issued to address some action stages on a few of the 
local rivers (including the Entiat, Methow, Stehekin, and 

By Thursday and Thursday night the upper level trough is expected 
to dig even further into Southern California with the upper level 
flow turning from southerly to more of an east to southeast regime 
aloft and the low-level thermal ridge shifting to the Washington/Idaho border 
as a marine push or weak cold front moves through. This will 
result in increasing stability over most of the forecast area, 
save extreme eastern Washington and the Idaho Panhandle where 
thunder will remain possible. Model CAPES again could exceed 1000 
j/kg but shear and forcing look even weaker than on Wednesday so 
nothing extraordinary is anticipated. Meanwhile a much lower 
chance of precipitation is expected in the Lee of the Cascades. 

By Friday into Saturday...the upper level low is expected to 
meander into the desert SW while warmer air aloft wraps across 
most of our forecast area as another strong ridge folds over the 
Cascades. This should lower the chances for precipitation even 
further, save the southeast part of the forecast area. 

Temperatures will likely peak on Tuesday with widespread highs in 
the upper 70s to mid 80s with subtle cooling after that. As the 
ridge returns by next weekend we should see temperatures climb 
back into the mid 70s to lower 80s. These temperatures are around 
10 to 15 degrees warmer than normal for this time of year. Fx 


00z tafs: leftover showers and isolated thunderstorms producing 
local MVFR ceilings continue to diminish this evening with 
majority of activity gone after 03z Sunday. Some patchy fog near 
sheltered mountain valleys and near klws otherwise IFR conditions 
to prevail tomorrow. /Pelatti 


Preliminary point temps/pops... 
Spokane 46 74 50 78 52 80 / 10 0 0 0 0 0 
Coeur D'Alene 43 75 46 78 48 80 / 20 0 0 0 10 0 
Pullman 42 71 45 76 48 78 / 30 0 0 10 10 10 
Lewiston 46 76 49 81 51 84 / 20 0 0 10 10 10 
Colville 42 80 44 81 45 83 / 20 0 0 0 0 10 
Sandpoint 39 73 41 77 42 78 / 10 0 0 10 0 10 
Kellogg 40 71 42 77 43 79 / 20 0 0 10 0 10 
Moses Lake 44 79 46 83 48 84 / 10 0 0 0 0 10 
Wenatchee 49 79 52 82 54 82 / 0 0 0 0 10 10 
Omak 45 78 48 81 50 82 / 0 0 0 0 10 10 


Otx watches/warnings/advisories... 


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Air Pollution

Air Pollution Forecast for Spokane

Current Air Quality: Good Pollutant: PM10
Sat Air Quality: Good Pollutant: PM10
Sat Air Quality: Good Pollutant: CO
Sun Air Quality: Good Pollutant: PM10
Sun Air Quality: Good Pollutant: CO
Mon Air Quality: Good Pollutant: PM10
Mon Air Quality: Good Pollutant: CO

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