Hourly Weather Forecast - Mellette, SD

12 AM
23°F
0%
8mph
SSE
Mostly Cloudy
Humidity
90%
Feels like
14°F
Dew Point
20°F
1 AM
24°F
0%
9mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
14°F
Dew Point
22°F
2 AM
24°F
0%
9mph
SSE
Partly Cloudy
Humidity
90%
Feels like
15°F
Dew Point
22°F
3 AM
25°F
0%
9mph
SSE
Partly Cloudy
Humidity
91%
Feels like
16°F
Dew Point
23°F
4 AM
26°F
0%
9mph
SSE
Partly Cloudy
Humidity
91%
Feels like
16°F
Dew Point
23°F
5 AM
26°F
0%
9mph
SSE
Partly Cloudy
Humidity
90%
Feels like
17°F
Dew Point
24°F
6 AM
27°F
0%
9mph
SSE
Partly Cloudy
Humidity
89%
Feels like
18°F
Dew Point
24°F
7 AM
28°F
0%
9mph
SSE
Partly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
26°F
8 AM
30°F
0%
9mph
SSE
Partly Cloudy
Humidity
86%
Feels like
22°F
Dew Point
26°F
8:10 AM
9 AM
32°F
0%
9mph
SSE
Partly Cloudy
Humidity
85%
Feels like
24°F
Dew Point
28°F
10 AM
34°F
0%
9mph
SSE
Partly Cloudy
Humidity
81%
Feels like
27°F
Dew Point
29°F
11 AM
36°F
0%
9mph
SSE
Partly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
30°F
12 PM
38°F
0%
9mph
SSE
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
31°F
1 PM
39°F
10%
9mph
S
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
31°F
2 PM
40°F
10%
7mph
S
Mostly Sunny
Humidity
73%
Feels like
34°F
Dew Point
31°F
3 PM
38°F
0%
6mph
S
Mostly Sunny
Humidity
74%
Feels like
34°F
Dew Point
31°F
4 PM
37°F
0%
5mph
SSW
Mostly Sunny
Humidity
77%
Feels like
33°F
Dew Point
30°F
4:54 PM
5 PM
34°F
0%
4mph
SW
Partly Cloudy
Humidity
83%
Feels like
31°F
Dew Point
29°F
6 PM
32°F
0%
5mph
WSW
Partly Cloudy
Humidity
86%
Feels like
28°F
Dew Point
29°F
7 PM
31°F
0%
5mph
W
Mostly Clear
Humidity
89%
Feels like
26°F
Dew Point
28°F
8 PM
30°F
0%
4mph
WNW
Cloudy
Humidity
91%
Feels like
26°F
Dew Point
28°F
9 PM
30°F
0%
5mph
NW
Cloudy
Humidity
91%
Feels like
25°F
Dew Point
28°F
10 PM
29°F
0%
5mph
NW
Cloudy
Humidity
92%
Feels like
23°F
Dew Point
27°F
11 PM
28°F
0%
5mph
NW
Hazy
Humidity
92%
Feels like
22°F
Dew Point
26°F

Forecast Peak Wind Gusts Today

Clipper System Blasts Central, Eastern U.S. With Winter Impacts

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

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 18, 2025

Highly Variable Weather Pattern Creates Mixed Results to Drought Depiction

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