Cooper PassCPPW1
At a river or reservoir gauge/5.0 mi away/3,343 ft/2,120 ft below here
temp, wind, gust, humidity, pressure
Mountain passes/Washington/Alta Pass
Alta Pass, Washington
Mountain pass in Kittitas County, Washington, at 5,463 ft39°
42°/36°
Partly cloudy·
Feels like 35°·Light breeze 5 mph W
Coming up. Rain is likely this morning, from about 6 AM, the chance peaking at 55% around 7 AM.
Now. Alta Pass is 39° and partly cloudy at 4 AM. With the wind it feels like 35°. The dew point is 39°, so the air feels dry and comfortable. Light breeze from the west at 5 mph.
Today and tonight. It warms to about 41° by 6 AM. Tonight falls to about 25° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes.
The week. The warmest day ahead is Wednesday, near 50°, and the coolest Friday, near 34°. Rain is likely Thursday (57%). The first freeze could come tomorrow, a low of 25°.
The sky tonight. The sun sets at 6:14 PM. The Moon is a waxing crescent, 43% lit, and sets at 10:55 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 10 hours 48 minutes long, 4 minutes shorter than yesterday.
0UV Low
33Air quality
83%Humidity
45%Cloud
Now
4:00 AM
39feels35
now, partly cloudy
Today
Oct 17
4236
89%
Sun
Oct 18
4425
partly cloudy day
Mon
Oct 19
4031
partly cloudy day
Tue
Oct 20
4628
clear day
Wed
Oct 21
5030
mostly clear day
Thu
Oct 22
4232
57%
Fri
Oct 23
3429
27%
39°
42°36°
44°25°
40°31°
46°28°
50°30°
42°32°
34°29°
As of 4:00 AM in Alta Pass, Washington.
Air quality
The air at Alta Pass
Index 33, good, led by fine particles. Read at 4 AM from its reporting area, Cascades of East King County (WA), 36 miles off.
33Good
- Fine particles (PM2.5)33Good21.8 mi
The days ahead
Good each day through Wed Oct 21, led by fine particles. Yesterday measured 33, good.
GoodModerate
- 33YesterdayOct 16
- 33TodayOct 17
- 33SunOct 18
- 33MonOct 19
- 33TueOct 20
- 33WedOct 21
Smoke, the next 44 hours
Little smoke near the ground through Sun 11 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Alta Pass
None in the last 3 days, to Sat 3 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Alta Pass, the next 44 hours
Dense fog: visibility falls to 0 miles Sat 9 AM, under a mile for 5 hours.
F
Now, today, and the week
Weather instrument stations by state
Mountain pass
- Height
- 5,463 ft
- County
- Kittitas County
- State
- Washington
- Latitude
- 47.4468° N
- Longitude
- 121.3137° W
What is measuring near here
The 6 instruments nearest Alta Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.0 miles away.
measured now4 instruments
Alpental ExitTALPE
Beside a road/5.1 mi away/2,976 ft/2,487 ft below here
temp, pavement temp, wind, visibility, precip
At an airfield/11.8 mi away/3,967 ft/1,496 ft below here
temp, wind, gust, visibility, precip, pressure
Citizen station DW8222DW8222
In a volunteer observer's own ground/32.2 mi away/2,256 ft/3,207 ft below here
temp, humidity, wind, precip, pressure
measured daily2 instruments
HyakHYAW1
At a cooperative observer's station/5.5 mi away/2,568 ft/2,895 ft below here
snowfall, snow depth, precip, high, low
North Bend 5.4 ESEWA-KG-143
In a volunteer observer's own ground/17.2 mi away/808 ft/4,655 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Hyak (HYAW1), 5.5 miles from here, read 8 Oct, 06:00. measured daily
Elsewhere in Washington
23 places, each with its own forecast and its own instruments.
BellinghamcityBluewoodski areaCrystal Mountainsurveyed ski areaEverettcityLeavenworthcityLoup Loupski areaMount RainierfeatureMt. Bakersurveyed ski areaNorth Cascades National ParkfeatureOlympiacityOlympic MountainsfeaturePuget SoundfeatureSeattlecitySnoqualmie PassfeatureSpokanecityStevens PassfeatureStevens Passsurveyed ski areaTacomacityThe Summit at Snoqualmiesurveyed ski areaWenatcheecityWhite Passski areaWinthroptownYakimacity
Near Alta Pass
The nearest places, each with its own forecast and the instruments nearest it.
- Snoqualmie Passfeature, 5 mi
- The Summit at Snoqualmiesurveyed ski area, 5 mi
- Snoqualmie Passcommunity, 6 mi
- Eastoncommunity, 16 mi
- Skykomishtown, 18 mi
- Riverpointcommunity, 19 mi
- Ronaldcommunity, 20 mi
- Riverbendcommunity, 20 mi
- Wilderness Rimcommunity, 21 mi
- Roslyncity, 21 mi
- North Bendcity, 22 mi
- Stevens Passfeature, 23 mi
Mountain passes near Alta Pass
- Cooper Pass5 mi
- Waptus Pass6 mi
- Hemlock Pass7 mi
- Melakwa Pass8 mi
- Yakima Pass9 mi
- Cathedral Pass11 mi
- Stampede Pass11 mi
- Dandy Pass12 mi