Hourly Weather Forecast - Arco, ID

12 AM
27°F
0%
3mph
NNE
Mostly Clear
Humidity
79%
Feels like
24°F
Dew Point
22°F
1 AM
26°F
0%
3mph
N
Mostly Clear
Humidity
80%
Feels like
22°F
Dew Point
21°F
2 AM
25°F
0%
3mph
NNW
Partly Cloudy
Humidity
81%
Feels like
21°F
Dew Point
20°F
3 AM
24°F
0%
3mph
N
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
20°F
4 AM
24°F
0%
3mph
N
Partly Cloudy
Humidity
83%
Feels like
24°F
Dew Point
19°F
5 AM
23°F
0%
3mph
NNE
Mostly Clear
Humidity
82%
Feels like
23°F
Dew Point
18°F
6 AM
23°F
0%
3mph
N
Mostly Clear
Humidity
80%
Feels like
19°F
Dew Point
18°F
7 AM
24°F
0%
3mph
N
Mostly Clear
Humidity
76%
Feels like
19°F
Dew Point
17°F
7:58 AM
8 AM
27°F
10%
3mph
NNW
Mostly Sunny
Humidity
73%
Feels like
27°F
Dew Point
19°F
9 AM
31°F
10%
1mph
NNW
Mostly Sunny
Humidity
69%
Feels like
31°F
Dew Point
22°F
10 AM
36°F
10%
1mph
SSW
Mostly Sunny
Humidity
62%
Feels like
36°F
Dew Point
24°F
11 AM
39°F
10%
3mph
S
Mostly Sunny
Humidity
56%
Feels like
39°F
Dew Point
25°F
12 PM
42°F
10%
4mph
S
Mostly Sunny
Humidity
52%
Feels like
39°F
Dew Point
25°F
1 PM
43°F
10%
6mph
S
Mostly Sunny
Humidity
49%
Feels like
40°F
Dew Point
25°F
2 PM
43°F
10%
6mph
SSW
Partly Cloudy
Humidity
49%
Feels like
39°F
Dew Point
25°F
3 PM
42°F
10%
6mph
SSW
Partly Cloudy
Humidity
52%
Feels like
38°F
Dew Point
26°F
4 PM
40°F
10%
5mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
36°F
Dew Point
26°F
4:56 PM
5 PM
38°F
10%
4mph
SW
Mostly Cloudy
Humidity
61%
Feels like
34°F
Dew Point
25°F
6 PM
36°F
10%
4mph
SW
Partly Cloudy
Humidity
61%
Feels like
33°F
Dew Point
24°F
7 PM
35°F
0%
4mph
WSW
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
23°F
8 PM
34°F
0%
5mph
W
Mostly Clear
Humidity
61%
Feels like
29°F
Dew Point
22°F
9 PM
33°F
0%
4mph
W
Partly Cloudy
Humidity
61%
Feels like
28°F
Dew Point
20°F
10 PM
32°F
0%
4mph
W
Partly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
20°F
11 PM
31°F
0%
4mph
W
Mostly Cloudy
Humidity
64%
Feels like
27°F
Dew Point
20°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