Hourly Weather Forecast - Arco, ID

12 PM
41°F
0%
17mph
WSW
Partly Cloudy
Humidity
69%
Feels like
33°F
Dew Point
32°F
1 PM
43°F
0%
16mph
W
Partly Cloudy
Humidity
65%
Feels like
36°F
Dew Point
32°F
2 PM
44°F
0%
16mph
W
Partly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
32°F
3 PM
43°F
0%
13mph
W
Partly Cloudy
Humidity
66%
Feels like
36°F
Dew Point
33°F
4 PM
41°F
0%
10mph
WNW
Partly Cloudy
Humidity
73%
Feels like
35°F
Dew Point
33°F
4:56 PM
5 PM
39°F
0%
8mph
WNW
Partly Cloudy
Humidity
81%
Feels like
33°F
Dew Point
33°F
6 PM
37°F
0%
8mph
NW
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
33°F
7 PM
35°F
0%
8mph
NW
Partly Cloudy
Humidity
88%
Feels like
28°F
Dew Point
31°F
8 PM
32°F
0%
8mph
NW
Partly Cloudy
Humidity
94%
Feels like
26°F
Dew Point
31°F
9 PM
31°F
0%
7mph
WNW
Partly Cloudy
Humidity
98%
Feels like
25°F
Dew Point
31°F
10 PM
30°F
0%
6mph
WNW
Foggy
Humidity
100%
Feels like
23°F
Dew Point
30°F
11 PM
29°F
0%
6mph
W
Foggy
Humidity
100%
Feels like
23°F
Dew Point
29°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