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Larch Pass, Washington

Mountain pass in Okanogan County, Washington, at 7,159 ft

Air quality

The air at Larch Pass

Index 40, good, led by fine particles. Read at 5 AM from its reporting area, Twisp (WA), 39 miles off.

40Good
  • Fine particles (PM2.5)40Good-

The days ahead

Yesterday measured 30, good.

Smoke, the next 43 hours

Smoke near the ground peaks at index 117, unhealthy for sensitive groups, Fri 6 PM.

FriSat

Precipitation

What has fallen at Larch Pass

None in the last 3 days, to Fri 4 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 Larch Pass, the next 43 hours

Fog: visibility falls to 0.9 miles Sat 10 AM, under a mile for 1 hour.

FriSat

Mountain pass

Height
7,159 ft
County
Okanogan County
State
Washington
Latitude
48.9071° N
Longitude
120.3682° W

What is measuring near here

The 5 instruments nearest Larch Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 21.2 miles away.

measured now3 instruments

First ButteFBFW1

At a river or reservoir gauge/23.5 mi away/5,102 ft/2,057 ft below here

temp, wind, gust, humidity, pressure

WinthropS52

At an airfield/34.8 mi away/1,688 ft/5,471 ft below here

temp, wind, gust, visibility, precip, pressure

Citizen station EW7146EW7146

In a volunteer observer's own ground/38.7 mi away/2,317 ft/4,842 ft below here

temp, humidity, wind, precip, pressure

measured daily2 instruments

MazamaMZAW1

At a cooperative observer's station/21.2 mi away/2,208 ft/4,951 ft below here

snowfall, snow depth, precip, high, low

Winthrop 9.2 NWWA-OK-39

In a volunteer observer's own ground/24.0 mi away/2,595 ft/4,564 ft below here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Washington

23 places, each with its own forecast and its own instruments.

Near Larch Pass

The nearest places, each with its own forecast and the instruments nearest it.

Mountain passes near Larch Pass

Every mountain pass in the state

Near Larch Pass

River and lake gauges