Hourly Weather Forecast - Harrison, SD

12 AM
37°F
0%
11mph
WSW
Partly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
29°F
1 AM
36°F
0%
10mph
W
Partly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
29°F
2 AM
36°F
0%
10mph
W
Partly Cloudy
Humidity
76%
Feels like
28°F
Dew Point
29°F
3 AM
35°F
0%
9mph
W
Partly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
29°F
4 AM
35°F
10%
9mph
WNW
Partly Cloudy
Humidity
77%
Feels like
27°F
Dew Point
28°F
5 AM
34°F
10%
10mph
NW
Partly Cloudy
Humidity
78%
Feels like
26°F
Dew Point
28°F
6 AM
34°F
10%
11mph
NW
Mostly Cloudy
Humidity
78%
Feels like
25°F
Dew Point
28°F
7 AM
33°F
10%
11mph
NW
Mostly Cloudy
Humidity
80%
Feels like
25°F
Dew Point
28°F
8 AM
33°F
10%
11mph
NW
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
28°F
8:03 AM
9 AM
33°F
10%
11mph
NW
Partly Cloudy
Humidity
82%
Feels like
24°F
Dew Point
28°F
10 AM
33°F
10%
11mph
NNW
Partly Cloudy
Humidity
78%
Feels like
25°F
Dew Point
28°F
11 AM
35°F
10%
12mph
NNW
Mostly Cloudy
Humidity
73%
Feels like
27°F
Dew Point
27°F
12 PM
36°F
10%
13mph
NNW
Cloudy
Humidity
68%
Feels like
28°F
Dew Point
27°F
1 PM
36°F
10%
13mph
NNW
Cloudy
Humidity
64%
Feels like
28°F
Dew Point
25°F
2 PM
36°F
10%
13mph
NNW
Cloudy
Humidity
61%
Feels like
27°F
Dew Point
24°F
3 PM
35°F
10%
12mph
NNW
Cloudy
Humidity
60%
Feels like
26°F
Dew Point
22°F
4 PM
34°F
10%
11mph
NNW
Cloudy
Humidity
62%
Feels like
25°F
Dew Point
22°F
5 PM
32°F
10%
10mph
NNW
Mostly Cloudy
Humidity
66%
Feels like
24°F
Dew Point
22°F
5:00 PM
6 PM
31°F
10%
9mph
NNW
Mostly Cloudy
Humidity
70%
Feels like
23°F
Dew Point
22°F
7 PM
29°F
10%
8mph
N
Mostly Cloudy
Humidity
71%
Feels like
21°F
Dew Point
21°F
8 PM
28°F
10%
8mph
N
Cloudy
Humidity
73%
Feels like
20°F
Dew Point
21°F
9 PM
28°F
10%
7mph
N
Cloudy
Humidity
73%
Feels like
20°F
Dew Point
20°F
10 PM
27°F
10%
4mph
NNE
Cloudy
Humidity
74%
Feels like
22°F
Dew Point
20°F
11 PM
27°F
10%
3mph
ESE
Cloudy
Humidity
74%
Feels like
23°F
Dew Point
20°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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