Hourly Weather Forecast - Harrison, SD

12 AM
14°F
10%
9mph
SE
Clear
Humidity
54%
Feels like
2°F
Dew Point
0°F
1 AM
14°F
10%
11mph
SE
Clear
Humidity
54%
Feels like
1°F
Dew Point
0°F
2 AM
14°F
10%
13mph
SE
Clear
Humidity
55%
Feels like
0°F
Dew Point
1°F
3 AM
15°F
10%
15mph
SE
Clear
Humidity
55%
Feels like
0°F
Dew Point
2°F
4 AM
15°F
10%
16mph
SE
Mostly Clear
Humidity
56%
Feels like
0°F
Dew Point
2°F
5 AM
16°F
10%
17mph
SE
Partly Cloudy
Humidity
56%
Feels like
0°F
Dew Point
3°F
6 AM
17°F
10%
17mph
SE
Mostly Cloudy
Humidity
57%
Feels like
1°F
Dew Point
5°F
7 AM
19°F
10%
18mph
SE
Cloudy
Humidity
58%
Feels like
3°F
Dew Point
6°F
8 AM
20°F
0%
19mph
SSE
Cloudy
Humidity
58%
Feels like
5°F
Dew Point
8°F
8:02 AM
9 AM
23°F
0%
19mph
SSE
Mostly Cloudy
Humidity
58%
Feels like
8°F
Dew Point
10°F
10 AM
26°F
0%
19mph
SSE
Partly Cloudy
Humidity
56%
Feels like
13°F
Dew Point
13°F
11 AM
31°F
0%
19mph
SSE
Partly Cloudy
Humidity
54%
Feels like
19°F
Dew Point
16°F
12 PM
34°F
0%
18mph
SSE
Partly Cloudy
Humidity
52%
Feels like
23°F
Dew Point
18°F
1 PM
37°F
0%
17mph
S
Partly Cloudy
Humidity
51%
Feels like
27°F
Dew Point
21°F
2 PM
40°F
0%
17mph
S
Partly Cloudy
Humidity
51%
Feels like
31°F
Dew Point
23°F
3 PM
41°F
0%
16mph
S
Partly Cloudy
Humidity
53%
Feels like
33°F
Dew Point
25°F
4 PM
40°F
0%
15mph
S
Partly Cloudy
Humidity
57%
Feels like
32°F
Dew Point
26°F
4:59 PM
5 PM
38°F
0%
13mph
S
Mostly Clear
Humidity
63%
Feels like
30°F
Dew Point
27°F
6 PM
37°F
0%
12mph
S
Mostly Clear
Humidity
68%
Feels like
29°F
Dew Point
28°F
7 PM
37°F
10%
12mph
S
Partly Cloudy
Humidity
71%
Feels like
29°F
Dew Point
28°F
8 PM
37°F
10%
11mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
29°F
Dew Point
28°F
9 PM
36°F
10%
11mph
SSW
Cloudy
Humidity
73%
Feels like
29°F
Dew Point
29°F
10 PM
36°F
10%
11mph
SW
Mostly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
29°F
11 PM
36°F
0%
10mph
SW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
29°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

Monday's Weather Outlook

Monday'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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