Hourly Weather Forecast - Hermosa, SD

12 AM
35°F
10%
22mph
WNW
Windy
Humidity
40%
Feels like
23°F
Dew Point
13°F
1 AM
34°F
0%
22mph
WNW
Windy
Humidity
41%
Feels like
23°F
Dew Point
13°F
2 AM
33°F
0%
22mph
WNW
Windy
Humidity
42%
Feels like
21°F
Dew Point
13°F
3 AM
32°F
0%
21mph
NW
Windy
Humidity
44%
Feels like
20°F
Dew Point
12°F
4 AM
30°F
10%
20mph
NW
Windy
Humidity
45%
Feels like
18°F
Dew Point
11°F
5 AM
29°F
0%
19mph
NW
Clear
Humidity
46%
Feels like
16°F
Dew Point
10°F
6 AM
28°F
0%
18mph
NW
Clear
Humidity
47%
Feels like
15°F
Dew Point
10°F
7 AM
27°F
0%
17mph
NW
Clear
Humidity
48%
Feels like
15°F
Dew Point
10°F
7:21 AM
8 AM
27°F
0%
15mph
NW
Sunny
Humidity
48%
Feels like
16°F
Dew Point
10°F
9 AM
29°F
0%
13mph
NW
Sunny
Humidity
45%
Feels like
18°F
Dew Point
10°F
10 AM
31°F
0%
11mph
NW
Sunny
Humidity
41%
Feels like
22°F
Dew Point
11°F
11 AM
34°F
0%
10mph
NW
Sunny
Humidity
38%
Feels like
26°F
Dew Point
11°F
12 PM
35°F
0%
10mph
NW
Sunny
Humidity
37%
Feels like
28°F
Dew Point
11°F
1 PM
36°F
0%
10mph
NW
Sunny
Humidity
35%
Feels like
29°F
Dew Point
12°F
2 PM
36°F
0%
9mph
NW
Sunny
Humidity
36%
Feels like
30°F
Dew Point
12°F
3 PM
35°F
0%
4mph
NW
Sunny
Humidity
40%
Feels like
31°F
Dew Point
13°F
4 PM
31°F
0%
2mph
SE
Sunny
Humidity
46%
Feels like
31°F
Dew Point
13°F
4:16 PM
5 PM
29°F
0%
7mph
SE
Clear
Humidity
51%
Feels like
22°F
Dew Point
13°F
6 PM
28°F
10%
9mph
SSE
Clear
Humidity
55%
Feels like
19°F
Dew Point
13°F
7 PM
26°F
10%
9mph
SSE
Clear
Humidity
58%
Feels like
18°F
Dew Point
14°F
8 PM
26°F
10%
9mph
S
Mostly Clear
Humidity
60%
Feels like
17°F
Dew Point
14°F
9 PM
26°F
10%
9mph
S
Mostly Clear
Humidity
62%
Feels like
17°F
Dew Point
15°F
10 PM
26°F
10%
10mph
S
Mostly Clear
Humidity
64%
Feels like
17°F
Dew Point
16°F
11 PM
27°F
10%
10mph
SSW
Partly Cloudy
Humidity
65%
Feels like
18°F
Dew Point
17°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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