Hourly Weather Forecast - Opal, SD

12 AM
27°F
0%
9mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
18°F
Dew Point
21°F
1 AM
27°F
0%
10mph
WSW
Mostly Cloudy
Humidity
76%
Feels like
18°F
Dew Point
20°F
2 AM
28°F
0%
10mph
WSW
Cloudy
Humidity
74%
Feels like
18°F
Dew Point
20°F
3 AM
28°F
0%
11mph
WSW
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
21°F
4 AM
29°F
0%
13mph
WSW
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
21°F
5 AM
29°F
0%
13mph
WSW
Cloudy
Humidity
72%
Feels like
19°F
Dew Point
21°F
6 AM
30°F
0%
13mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
22°F
7 AM
30°F
0%
13mph
WSW
Partly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
22°F
7:12 AM
8 AM
32°F
0%
13mph
W
Sunny
Humidity
69%
Feels like
22°F
Dew Point
22°F
9 AM
35°F
0%
14mph
W
Sunny
Humidity
63%
Feels like
26°F
Dew Point
24°F
10 AM
39°F
0%
14mph
W
Sunny
Humidity
56%
Feels like
31°F
Dew Point
25°F
11 AM
42°F
0%
15mph
W
Sunny
Humidity
51%
Feels like
35°F
Dew Point
25°F
12 PM
44°F
0%
15mph
W
Mostly Sunny
Humidity
48%
Feels like
37°F
Dew Point
26°F
1 PM
46°F
0%
15mph
W
Partly Cloudy
Humidity
46%
Feels like
39°F
Dew Point
26°F
2 PM
46°F
0%
15mph
W
Partly Cloudy
Humidity
46%
Feels like
39°F
Dew Point
27°F
3 PM
44°F
0%
13mph
W
Partly Cloudy
Humidity
50%
Feels like
38°F
Dew Point
27°F
4 PM
41°F
0%
11mph
W
Mostly Sunny
Humidity
56%
Feels like
34°F
Dew Point
26°F
4:16 PM
5 PM
38°F
0%
9mph
W
Mostly Clear
Humidity
62%
Feels like
32°F
Dew Point
26°F
6 PM
36°F
0%
9mph
WSW
Mostly Clear
Humidity
66%
Feels like
30°F
Dew Point
26°F
7 PM
35°F
0%
9mph
WSW
Partly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
26°F
8 PM
33°F
0%
9mph
WSW
Partly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
26°F
9 PM
33°F
0%
9mph
WSW
Partly Cloudy
Humidity
77%
Feels like
25°F
Dew Point
26°F
10 PM
32°F
0%
10mph
WSW
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
26°F
11 PM
32°F
0%
11mph
WSW
Partly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
27°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend 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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

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Outdoor Sports Guide