Hourly Weather Forecast - Vivian, SD

2 AM
25°F
0%
8mph
SW
Clear
Humidity
62%
Feels like
17°F
Dew Point
14°F
3 AM
25°F
0%
8mph
SW
Mostly Clear
Humidity
59%
Feels like
16°F
Dew Point
12°F
4 AM
24°F
0%
8mph
SW
Clear
Humidity
60%
Feels like
15°F
Dew Point
12°F
5 AM
22°F
0%
8mph
SSW
Clear
Humidity
63%
Feels like
13°F
Dew Point
12°F
6 AM
22°F
0%
8mph
SSW
Clear
Humidity
70%
Feels like
13°F
Dew Point
14°F
7 AM
23°F
0%
8mph
SSW
Partly Cloudy
Humidity
69%
Feels like
14°F
Dew Point
14°F
8 AM
24°F
0%
7mph
SSW
Partly Cloudy
Humidity
69%
Feels like
16°F
Dew Point
15°F
8:12 AM
9 AM
26°F
0%
7mph
SSW
Partly Cloudy
Humidity
68%
Feels like
18°F
Dew Point
17°F
10 AM
30°F
0%
7mph
SSW
Partly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
20°F
11 AM
34°F
0%
7mph
SSW
Partly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
23°F
12 PM
38°F
0%
8mph
S
Partly Cloudy
Humidity
58%
Feels like
33°F
Dew Point
25°F
1 PM
41°F
0%
8mph
S
Partly Cloudy
Humidity
52%
Feels like
36°F
Dew Point
25°F
2 PM
43°F
0%
9mph
SSE
Mostly Cloudy
Humidity
50%
Feels like
38°F
Dew Point
26°F
3 PM
43°F
0%
9mph
SE
Mostly Cloudy
Humidity
50%
Feels like
37°F
Dew Point
26°F
4 PM
41°F
0%
10mph
SE
Mostly Cloudy
Humidity
52%
Feels like
35°F
Dew Point
25°F
5 PM
40°F
0%
10mph
SE
Cloudy
Humidity
54%
Feels like
34°F
Dew Point
25°F
5:05 PM
6 PM
40°F
0%
10mph
SE
Cloudy
Humidity
55%
Feels like
33°F
Dew Point
25°F
7 PM
39°F
0%
11mph
SE
Cloudy
Humidity
60%
Feels like
32°F
Dew Point
27°F
8 PM
38°F
10%
11mph
SSE
Mostly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
28°F
9 PM
38°F
0%
11mph
SSE
Mostly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
29°F
10 PM
38°F
0%
11mph
SSE
Partly Cloudy
Humidity
69%
Feels like
31°F
Dew Point
29°F
11 PM
38°F
0%
11mph
S
Mostly Clear
Humidity
68%
Feels like
31°F
Dew Point
29°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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