Yellowstone Natl Park, WY

4:25 AM MDT on September 21, 2017 (GMT -0600)
West Yellowstone | | Change Station
Active Advisory: Special Statement

Elev 6650 ft 44.69 °N, 111.12 °W | Updated 10 minutes ago

Snow
Snow
32 °F
Feels Like 32 °F
N
-
Wind Variable Wind from North

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.78 in
Visibility 3.0 miles
Clouds Clear
Dew Point 32 °F
Humidity 100%
Rainfall 0.16 in
Snow Depth Not available.
7:08 AM 7:21 PM
New Moon, 2% visible
METAR KWYS 211015Z AUTO 3SM -SN CLR 00/00 A2978 RMK AO2
Pressure 29.78 in
Visibility 3.0 miles
Clouds Clear
Dew Point 32 °F
Humidity 100%
Rainfall 0.16 in
Snow Depth Not available.
7:08 AM 7:21 PM
New Moon, 2% visible
METAR KWYS 211015Z AUTO 3SM -SN CLR 00/00 A2978 RMK AO2

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10-Day Weather Forecast

Almanac

Astronomy

Sep. 21, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

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

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Special Statement
Issued: 1:38 AM MDT Sep. 21, 2017 – National Weather Service

... Cool and very wet Pacific storm system headed into western
Wyoming today...

The strong Pacific storm headed towards western Wyoming will
continue to bring copious amounts of precipitation with it.
However, temperatures with this Pacific air mass will be much
warmer than originally thought, keeping snow accumulation levels
high... at or above 9500 feet through tonight... with snow mixing
with rain below this level down to about 8500 feet. High Mountain
passes such as Teton and togwotee passes will experience periods
of Wet Mountain snow this morning that could cause slushy
conditions on the roadways and slowing travel times. Otherwise,
anywhere from a half an inch and an inch and a half of liquid
precipitation can be expected to fall between now and Friday
morning across the western mountains and valleys. Heaviest
accumulating snow over the same time frame will range from 3 to 8
inches above 9500 feet... with locally higher amounts possible.



138 am MDT Thu Sep 21 2017

... Cool and very wet Pacific storm system headed into western
Wyoming today...

The strong Pacific storm headed towards western Wyoming will
continue to bring copious amounts of precipitation with it.
However, temperatures with this Pacific air mass will be much
warmer than originally thought, keeping snow accumulation levels
high... at or above 9500 feet through tonight... with snow mixing
with rain below this level down to about 8500 feet. High Mountain
passes such as Teton and togwotee passes will experience periods
of Wet Mountain snow this morning that could cause slushy
conditions on the roadways and slowing travel times. Otherwise,
anywhere from a half an inch and an inch and a half of liquid
precipitation can be expected to fall between now and Friday
morning across the western mountains and valleys. Heaviest
accumulating snow over the same time frame will range from 3 to 8
inches above 9500 feet... with locally higher amounts possible.


117 am MDT Thu Sep 21 2017

... Cool and very wet Pacific storm system headed into western
Wyoming today...

The strong Pacific storm headed towards western Wyoming will
continue to bring copious amounts of precipitation with it.
However, temperatures with this Pacific air mass will be much
warmer than originally thought, keeping snow accumulation levels
very high... at or above 10000 feet through tonight... with only
slight chances for snow mixing with rain below this level. That
said, anywhere from a half an inch and two inches of liquid
precipitation can be expected to fall between now and Friday
morning across the western mountains and valleys. Heaviest
accumulating snow over the same time frame will range from 3 to 8
inches above 10000 feet... with locally higher amounts possible.


117 am MDT Thu Sep 21 2017

... Cool and very wet Pacific storm system headed into western
Wyoming today...

The strong Pacific storm headed towards western Wyoming will
continue to bring copious amounts of precipitation with it.
However, temperatures with this Pacific air mass will be much
warmer than originally thought, keeping snow accumulation levels
very high... at or above 10000 feet through tonight... with only
slight chances for snow mixing with rain below this level. That
said, anywhere from a half an inch and two inches of liquid
precipitation can be expected to fall between now and Friday
morning across the western mountains and valleys. Heaviest
accumulating snow over the same time frame will range from 3 to 8
inches above 10000 feet... with locally higher amounts possible.