Hourly Weather Forecast - Harrison, SD

12 PM
39°F
30%
13mph
WSW
30% Chance of Light Rain
Humidity
83%
Feels like
32°F
Dew Point
35°F
1 PM
42°F
30%
15mph
WSW
30% Chance of Light Rain
Humidity
82%
Feels like
34°F
Dew Point
37°F
2 PM
44°F
30%
18mph
W
30% Chance of Light Rain
Humidity
80%
Feels like
36°F
Dew Point
38°F
3 PM
45°F
30%
21mph
W
30% Chance of Light Rain
Humidity
79%
Feels like
37°F
Dew Point
39°F
4 PM
46°F
30%
23mph
W
30% Chance Rain Showers
Humidity
78%
Feels like
37°F
Dew Point
39°F
4:57 PM
5 PM
46°F
0%
25mph
WNW
Windy
Humidity
77%
Feels like
37°F
Dew Point
39°F
6 PM
45°F
0%
27mph
WNW
Windy
Humidity
76%
Feels like
35°F
Dew Point
38°F
7 PM
43°F
0%
28mph
WNW
Windy
Humidity
75%
Feels like
33°F
Dew Point
36°F
8 PM
40°F
0%
29mph
WNW
Windy
Humidity
75%
Feels like
29°F
Dew Point
33°F
9 PM
38°F
0%
29mph
WNW
Windy
Humidity
74%
Feels like
26°F
Dew Point
31°F
10 PM
37°F
0%
29mph
NW
Windy
Humidity
74%
Feels like
24°F
Dew Point
29°F
11 PM
36°F
0%
29mph
NW
Windy
Humidity
74%
Feels like
23°F
Dew Point
28°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide