Hourly Weather Forecast - Harrison, SD

12 AM
39°F
10%
21mph
WNW
Windy
Humidity
67%
Feels like
29°F
Dew Point
29°F
1 AM
38°F
10%
23mph
WNW
Windy
Humidity
63%
Feels like
27°F
Dew Point
26°F
2 AM
36°F
0%
24mph
WNW
Windy
Humidity
59%
Feels like
24°F
Dew Point
23°F
3 AM
34°F
0%
26mph
WNW
Windy
Humidity
57%
Feels like
21°F
Dew Point
20°F
4 AM
31°F
0%
28mph
WNW
Windy
Humidity
58%
Feels like
16°F
Dew Point
18°F
5 AM
27°F
10%
29mph
WNW
Windy
Humidity
61%
Feels like
11°F
Dew Point
15°F
6 AM
24°F
30%
30mph
WNW
30% Chance of Snow
Humidity
63%
Feels like
6°F
Dew Point
13°F
7 AM
21°F
30%
29mph
NW
30% Chance of Snow
Humidity
65%
Feels like
3°F
Dew Point
11°F
8 AM
19°F
30%
28mph
NW
30 % Chance of Heavy Snow
Humidity
67%
Feels like
0°F
Dew Point
9°F
8:01 AM
9 AM
17°F
30%
28mph
NW
30% Chance of Snow
Humidity
67%
Feels like
-2°F
Dew Point
8°F
10 AM
17°F
30%
28mph
NW
30% Chance of Snow
Humidity
64%
Feels like
-2°F
Dew Point
7°F
11 AM
18°F
10%
27mph
NW
Windy
Humidity
60%
Feels like
-1°F
Dew Point
6°F
12 PM
19°F
10%
26mph
NW
Windy
Humidity
56%
Feels like
1°F
Dew Point
6°F
1 PM
19°F
10%
24mph
NW
Windy
Humidity
52%
Feels like
2°F
Dew Point
4°F
2 PM
20°F
10%
22mph
NW
Windy
Humidity
48%
Feels like
3°F
Dew Point
3°F
3 PM
19°F
0%
20mph
NW
Sunny
Humidity
46%
Feels like
4°F
Dew Point
2°F
4 PM
19°F
0%
17mph
NW
Sunny
Humidity
46%
Feels like
4°F
Dew Point
2°F
4:59 PM
5 PM
18°F
0%
14mph
NW
Clear
Humidity
49%
Feels like
4°F
Dew Point
2°F
6 PM
17°F
0%
11mph
NNW
Clear
Humidity
51%
Feels like
4°F
Dew Point
1°F
7 PM
15°F
0%
9mph
N
Clear
Humidity
52%
Feels like
4°F
Dew Point
1°F
8 PM
14°F
0%
8mph
NNE
Clear
Humidity
53%
Feels like
3°F
Dew Point
1°F
9 PM
14°F
0%
8mph
NE
Clear
Humidity
54%
Feels like
2°F
Dew Point
0°F
10 PM
13°F
10%
7mph
ENE
Clear
Humidity
54%
Feels like
3°F
Dew Point
0°F
11 PM
13°F
10%
7mph
ESE
Clear
Humidity
54%
Feels like
3°F
Dew Point
0°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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