Twisp, WA

10:43 PM PST on December 01, 2015 (GMT -0800)
APRSWXNET | | Change Station
Current Station
Personal Weather Station
Location: Mazama, WA
Elevation: 2595 ft
Nearby Weather Stations

Elev 2595 ft 48.61 °N, 120.45 °W | Updated 25 minutes ago

21 °F
Feels Like 21 °F
Wind Variable Wind from WSW
Gusts 1.0 mph

High -- | Low -- °F
--% Chance of Precip.
High -- | Low -- °F
Precip. -- in
7:33 AM 4:07 PM
Waning Gibbous, 60% visible
Pressure 30.29 in
Visibility miles
Windchill 21 °F
Dew Point 17 °F
Humidity 86%
Rainfall in
Snow Depth Not available.
UV out of 12
Pollen .10 out of 12
Air Quality Not available.
Flu Activity Not available.
Not available.
Pressure 30.29 in
Visibility miles
Windchill 21 °F
Dew Point 17 °F
Humidity 86%
Rainfall in
Snow Depth Not available.
UV out of 12
Pollen .10 out of 12
Air Quality Not available.
Flu Activity Not available.
Not available.

10-Day Weather Forecast




Dec. 01, 2015 Rise Set
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Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature


Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
Winter Storm Watch, Winter Weather Advisory
Statement as of 10:32 PM PST on December 01, 2015

... Winter Weather Advisory remains in effect until 7 am PST
... Winter Storm Watch in effect from Wednesday evening through
Thursday evening...

The National Weather Service in Spokane has issued a Winter Storm
Watch... which is in effect from Wednesday evening through
Thursday evening.

* Locations... Leavenworth... Mazama... Twisp... Winthrop...
Stehekin... Conconully... Blewett Pass... Loup Loup pass.

* Ice accumulations... storm 1) less than 0.05 inches... mainly
south and west of Leavenworth including Highway 2. Storm 2)
potential for 0.20 to 0.50 inches in the Wenatchee River Valley
to Stevens Pass as well as Lake Chelan. 0.03 to 0.10 in the
Methow Valley.

* Snow accumulations... storm 1) 3 to 7 inches... highest near the
Cascade crest. Storm 2) 8 to 16 inches in the mountains and
upper reaches of the Methow Valley. 3 to 8 inches in valleys
south of Lake Chelan.

* Timing... light snow will develop this evening. The heaviest
snowfall is expected between 8 PM and 2 am before tapering off.
Wintry precipitation will return Wednesday evening... becoming
moderate to heavy after 10pm and continuing into Thursday
morning. Precipitation intensity will become lighter in the
afternoon and evening with a decreasing trend from south to

* Impacts... storm 1): expect winter driving conditions as snow
develops making roadways slick. Snow will also reduce visibility
to a mile or less. Storm 2) a combination of significant ice
accumulations and heavy snow could lead to downed trees... tree
limbs... power outages... and treacherous driving conditions.

* Web page: for a detailed view of the hazard area visit

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means that periods of snow
will cause travel difficulties. Be prepared for snow covered
roads and limited visibilities... and use caution while driving.

A Winter Storm Watch means there is a potential for significant
snow accumulations that may impact travel. Continue to monitor
the latest forecasts.

Air Stagnation Advisory
Statement as of 10:19 AM PST on December 01, 2015

... Air stagnation advisory now in effect until noon PST Friday...

* air quality... poor ventilation will result in a build up of
pollutants near the surface. Minor improvements in air quality
will be possible Tuesday night through Thursday... but most
areas will not see improvement until a cold front arrives

* Timing... through Friday morning.

* Impacts... prolonged periods of stagnant air can hold fine
particulates close to the ground and degrade air quality.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area... pollution has the
potential to increase to dangerous levels. Persons with
respiratory illness should follow their physicians advice for
dealing with high levels of air pollution.

During periods of stagnant air... state air quality agencies
highly recommended that no outdoor burning occur and that
residential wood burning devices be limited as much as possible.
According to state air quality agencies... prolonged periods of
stagnant air can hold pollutants close to the ground... where
people live and breathe.