Hourly Weather Forecast - Opal, SD

2 AM
26°F
0%
7mph
SW
Cloudy
Humidity
86%
Feels like
18°F
Dew Point
22°F
3 AM
27°F
0%
7mph
SW
Cloudy
Humidity
87%
Feels like
19°F
Dew Point
23°F
4 AM
28°F
0%
7mph
SW
Cloudy
Humidity
89%
Feels like
20°F
Dew Point
25°F
5 AM
28°F
0%
7mph
SW
Mostly Cloudy
Humidity
90%
Feels like
21°F
Dew Point
26°F
6 AM
29°F
0%
8mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
21°F
Dew Point
26°F
7 AM
29°F
0%
9mph
W
Mostly Cloudy
Humidity
90%
Feels like
21°F
Dew Point
27°F
7:10 AM
8 AM
30°F
0%
8mph
W
Mostly Cloudy
Humidity
88%
Feels like
22°F
Dew Point
27°F
9 AM
32°F
0%
8mph
WNW
Mostly Cloudy
Humidity
83%
Feels like
25°F
Dew Point
28°F
10 AM
35°F
0%
8mph
NW
Mostly Cloudy
Humidity
76%
Feels like
28°F
Dew Point
28°F
11 AM
37°F
0%
9mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
28°F
12 PM
38°F
0%
9mph
NNW
Partly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
29°F
1 PM
39°F
0%
10mph
N
Partly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
29°F
2 PM
39°F
0%
11mph
NNE
Partly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
29°F
3 PM
37°F
0%
11mph
NNE
Partly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
29°F
4 PM
34°F
0%
11mph
NNE
Partly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
28°F
4:16 PM
5 PM
31°F
0%
10mph
NNE
Mostly Cloudy
Humidity
85%
Feels like
23°F
Dew Point
27°F
6 PM
29°F
0%
9mph
NE
Partly Cloudy
Humidity
88%
Feels like
21°F
Dew Point
26°F
7 PM
27°F
0%
7mph
NE
Mostly Cloudy
Humidity
91%
Feels like
20°F
Dew Point
25°F
8 PM
26°F
0%
6mph
NE
Cloudy
Humidity
93%
Feels like
18°F
Dew Point
24°F
9 PM
25°F
0%
6mph
NE
Cloudy
Humidity
94%
Feels like
17°F
Dew Point
23°F
10 PM
24°F
0%
5mph
NE
Cloudy
Humidity
94%
Feels like
18°F
Dew Point
23°F
11 PM
24°F
0%
4mph
NE
Cloudy
Humidity
94%
Feels like
18°F
Dew Point
22°F

Snowfall Forecast Through Tonight

Snow To Impact the Rockies This Weekend

A winter storm continues across the Cascades and northern Rockies today through tonight causing periods of moderate to heavy snow.

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

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Snow & Ski Forecast

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