Hourly Weather Forecast - Opal, SD

12 AM
27°F
0%
9mph
S
Mostly Cloudy
Humidity
57%
Feels like
18°F
Dew Point
14°F
1 AM
28°F
0%
11mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
18°F
Dew Point
13°F
2 AM
29°F
0%
12mph
SSW
Cloudy
Humidity
53%
Feels like
19°F
Dew Point
14°F
3 AM
30°F
0%
13mph
SW
Cloudy
Humidity
54%
Feels like
20°F
Dew Point
16°F
4 AM
32°F
0%
15mph
SW
Cloudy
Humidity
57%
Feels like
22°F
Dew Point
19°F
5 AM
34°F
0%
16mph
SW
Cloudy
Humidity
59%
Feels like
24°F
Dew Point
21°F
6 AM
36°F
10%
16mph
SW
Mostly Cloudy
Humidity
59%
Feels like
26°F
Dew Point
23°F
7 AM
38°F
10%
18mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
24°F
7:20 AM
8 AM
41°F
10%
20mph
WSW
Windy
Humidity
55%
Feels like
31°F
Dew Point
26°F
9 AM
46°F
10%
21mph
WSW
Windy
Humidity
48%
Feels like
38°F
Dew Point
27°F
10 AM
51°F
0%
22mph
W
Windy
Humidity
39%
Feels like
51°F
Dew Point
27°F
11 AM
56°F
0%
24mph
W
Windy
Humidity
33%
Feels like
56°F
Dew Point
27°F
12 PM
58°F
0%
25mph
W
Windy
Humidity
31%
Feels like
58°F
Dew Point
27°F
1 PM
59°F
0%
25mph
W
Windy
Humidity
30%
Feels like
59°F
Dew Point
28°F
2 PM
59°F
0%
24mph
W
Windy
Humidity
30%
Feels like
59°F
Dew Point
28°F
3 PM
58°F
0%
23mph
W
Windy
Humidity
32%
Feels like
58°F
Dew Point
29°F
4 PM
55°F
0%
21mph
WSW
Windy
Humidity
36%
Feels like
55°F
Dew Point
29°F
4:18 PM
5 PM
53°F
0%
18mph
W
Cloudy
Humidity
39%
Feels like
53°F
Dew Point
29°F
6 PM
50°F
0%
18mph
W
Cloudy
Humidity
43%
Feels like
50°F
Dew Point
29°F
7 PM
48°F
0%
19mph
W
Cloudy
Humidity
48%
Feels like
41°F
Dew Point
29°F
8 PM
46°F
10%
15mph
WNW
Cloudy
Humidity
53%
Feels like
39°F
Dew Point
29°F
9 PM
42°F
10%
11mph
NNW
Cloudy
Humidity
59%
Feels like
36°F
Dew Point
29°F
10 PM
39°F
20%
13mph
NNE
Cloudy
Humidity
65%
Feels like
32°F
Dew Point
28°F
11 PM
37°F
30%
17mph
NE
30% Chance of Snow
Humidity
69%
Feels like
27°F
Dew Point
28°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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