INL - Arco, Idaho Weather StationUSBR-RRCI
At a river or reservoir gauge/10.2 mi away/-/- ft from here
temp, wind, gust, humidity, pressure
Mountain passes/Idaho/Arco Pass
Arco Pass, Idaho
Mountain pass in Butte County, Idaho, at 7,035 ft32°
60°/26°
Clear·
Feels like 27°·Light breeze 5 mph NNW
Now. Arco Pass is 32° and clear at 4 AM. With the wind it feels like 27°. The dew point is 18°, so the air feels dry and comfortable. Light breeze from the north-northwest at 5 mph.
Today and tonight. It warms to about 58° by 3 PM. Tonight falls to about 30° by 6 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 61°, and the coolest Thursday, near 51°. Rain is likely Thursday (50%). Rain is possible Wednesday (42%). The first freeze could come tomorrow, a low of 27°.
The sky tonight. The sun sets at 6:48 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:36 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 11 hours 1 minutes long, 3 minutes shorter than yesterday.
0UV Low
30Air quality
56%Humidity
6%Cloud
Now
4:00 AM
32feels27
now, clear
Today
Oct 16
6026
clear day
Sat
Oct 17
6127
mostly clear day
Sun
Oct 18
6027
clear day
Mon
Oct 19
5928
mostly clear day
Tue
Oct 20
5529
27%
Wed
Oct 21
5530
42%
Thu
Oct 22
5130
50%
32°
60°26°
61°27°
60°27°
59°28°
55°29°
55°30°
51°30°
As of 4:00 AM in Arco Pass, Idaho.
Air quality
The air at Arco Pass
Index 30, good, led by ozone. Read at 4 AM from its reporting area, Craters of the Moon National Monument (ID), 27 miles off.
30Good
- Ozone30Good-
The days ahead
Yesterday measured 35, good.
GoodModerate
- 35YesterdayOct 15
Smoke, the next 45 hours
Little smoke near the ground through Sun 12 AM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Arco Pass
None in the last 3 days, to Fri 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 Arco Pass, the next 45 hours
Visibility stays 10 miles or more through Sun 12 AM.
F
Now, today, and the week
Weather instrument stations by state
Mountain pass
- Height
- 7,035 ft
- County
- Butte County
- State
- Idaho
- Latitude
- 43.7572° N
- Longitude
- 113.2082° W
What is measuring near here
The 5 instruments nearest Arco Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.2 miles away.
measured now3 instruments
D6 - Junction 33/22 SummitITDD3
Beside a road/18.9 mi away/4,823 ft/2,212 ft below here
temp, pavement temp, wind, visibility, precip
Arco 17 SW04126
At a climate reference station/26.7 mi away/5,920 ft/1,115 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Moore 0.1 WID-BT-3
In a volunteer observer's own ground/8.2 mi away/5,463 ft/1,572 ft below here
precip, snowfall, snow depth
ArcoAROI1
At a cooperative observer's station/9.6 mi away/5,331 ft/1,704 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Idaho
18 places, each with its own forecast and its own instruments.
Near Arco Pass
The nearest places, each with its own forecast and the instruments nearest it.
Mountain passes near Arco Pass
- Beaverland Pass4 mi
- Pass Creek Summit22 mi
- Deer Creek Pass23 mi
- Antelope Pass28 mi
- Leatherman Pass35 mi
- Horseheaven Pass43 mi
- Johnstone Pass43 mi
- P K Pass44 mi