Hourly Weather Forecast - Arco, ID

12 AM
16°F
0%
3mph
NW
Mostly Cloudy
Humidity
81%
Feels like
16°F
Dew Point
11°F
1 AM
14°F
0%
3mph
NW
Mostly Cloudy
Humidity
85%
Feels like
14°F
Dew Point
10°F
2 AM
12°F
0%
3mph
NW
Mostly Cloudy
Humidity
90%
Feels like
12°F
Dew Point
10°F
3 AM
11°F
0%
3mph
NW
Mostly Cloudy
Humidity
95%
Feels like
11°F
Dew Point
10°F
4 AM
11°F
0%
3mph
NW
Cloudy
Humidity
92%
Feels like
11°F
Dew Point
9°F
5 AM
12°F
0%
3mph
NW
Cloudy
Humidity
87%
Feels like
12°F
Dew Point
8°F
6 AM
13°F
0%
2mph
NW
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
8°F
7 AM
13°F
0%
2mph
NNW
Cloudy
Humidity
82%
Feels like
13°F
Dew Point
8°F
7:57 AM
8 AM
14°F
0%
2mph
N
Cloudy
Humidity
77%
Feels like
14°F
Dew Point
9°F
9 AM
18°F
0%
1mph
NE
Cloudy
Humidity
67%
Feels like
18°F
Dew Point
9°F
10 AM
23°F
0%
2mph
ESE
Cloudy
Humidity
58%
Feels like
23°F
Dew Point
10°F
11 AM
26°F
0%
3mph
SE
Cloudy
Humidity
51%
Feels like
26°F
Dew Point
11°F
12 PM
29°F
0%
4mph
SSE
Cloudy
Humidity
47%
Feels like
25°F
Dew Point
12°F
1 PM
31°F
0%
5mph
S
Cloudy
Humidity
45%
Feels like
26°F
Dew Point
12°F
2 PM
33°F
0%
6mph
S
Cloudy
Humidity
44%
Feels like
27°F
Dew Point
13°F
3 PM
32°F
0%
7mph
S
Cloudy
Humidity
44%
Feels like
26°F
Dew Point
13°F
4 PM
30°F
0%
7mph
S
Mostly Cloudy
Humidity
51%
Feels like
23°F
Dew Point
14°F
5 PM
27°F
0%
6mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
5:33 PM
6 PM
24°F
0%
5mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
17°F
Dew Point
15°F
7 PM
22°F
0%
4mph
SW
Mostly Cloudy
Humidity
72%
Feels like
17°F
Dew Point
15°F
8 PM
21°F
0%
4mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
15°F
9 PM
20°F
0%
4mph
W
Mostly Cloudy
Humidity
78%
Feels like
15°F
Dew Point
15°F
10 PM
20°F
0%
4mph
W
Mostly Cloudy
Humidity
79%
Feels like
15°F
Dew Point
15°F
11 PM
19°F
0%
3mph
WNW
Cloudy
Humidity
81%
Feels like
14°F
Dew Point
14°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide