Hourly Weather Forecast - Arco, ID

7 AM
31°F
0%
13mph
WSW
Partly Cloudy
Humidity
82%
Feels like
22°F
Dew Point
27°F
7:54 AM
8 AM
34°F
0%
13mph
WSW
Partly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
28°F
9 AM
37°F
0%
14mph
WSW
Partly Cloudy
Humidity
82%
Feels like
28°F
Dew Point
32°F
10 AM
40°F
0%
16mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
32°F
Dew Point
34°F
11 AM
43°F
0%
17mph
WSW
Partly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
34°F
12 PM
45°F
0%
16mph
WSW
Partly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
35°F
1 PM
47°F
0%
15mph
W
Partly Cloudy
Humidity
64%
Feels like
40°F
Dew Point
35°F
2 PM
47°F
0%
15mph
W
Partly Cloudy
Humidity
62%
Feels like
41°F
Dew Point
35°F
3 PM
46°F
0%
13mph
WNW
Partly Cloudy
Humidity
67%
Feels like
40°F
Dew Point
35°F
4 PM
44°F
0%
11mph
WNW
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
36°F
4:56 PM
5 PM
42°F
0%
9mph
WNW
Partly Cloudy
Humidity
81%
Feels like
36°F
Dew Point
36°F
6 PM
39°F
0%
8mph
WNW
Partly Cloudy
Humidity
85%
Feels like
34°F
Dew Point
35°F
7 PM
37°F
10%
8mph
NW
Partly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
34°F
8 PM
35°F
0%
8mph
NW
Partly Cloudy
Humidity
90%
Feels like
29°F
Dew Point
33°F
9 PM
35°F
0%
7mph
WNW
Partly Cloudy
Humidity
91%
Feels like
29°F
Dew Point
32°F
10 PM
33°F
10%
7mph
W
Mostly Cloudy
Humidity
98%
Feels like
27°F
Dew Point
33°F
11 PM
33°F
0%
7mph
W
Partly Cloudy
Humidity
97%
Feels like
27°F
Dew Point
32°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide