Hourly Weather Forecast - Porcupine, SD

12 AM
28°F
20%
9mph
SW
Partly Cloudy
Humidity
68%
Feels like
19°F
Dew Point
19°F
1 AM
28°F
20%
9mph
SW
Partly Cloudy
Humidity
68%
Feels like
19°F
Dew Point
19°F
2 AM
28°F
20%
10mph
SSW
Partly Cloudy
Humidity
69%
Feels like
19°F
Dew Point
19°F
3 AM
28°F
20%
10mph
SSW
Partly Cloudy
Humidity
70%
Feels like
19°F
Dew Point
20°F
4 AM
28°F
20%
11mph
SSW
Partly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
20°F
5 AM
29°F
10%
11mph
SSW
Partly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
21°F
6 AM
29°F
10%
11mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
21°F
7 AM
29°F
10%
11mph
SSW
Cloudy
Humidity
72%
Feels like
20°F
Dew Point
22°F
7:17 AM
8 AM
31°F
10%
11mph
SSW
Cloudy
Humidity
71%
Feels like
22°F
Dew Point
22°F
9 AM
34°F
10%
11mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
24°F
10 AM
38°F
10%
10mph
SSW
Partly Cloudy
Humidity
60%
Feels like
31°F
Dew Point
25°F
11 AM
41°F
10%
10mph
SSW
Partly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
26°F
12 PM
44°F
10%
10mph
SSW
Partly Cloudy
Humidity
51%
Feels like
38°F
Dew Point
27°F
1 PM
45°F
10%
10mph
SSW
Mostly Cloudy
Humidity
49%
Feels like
40°F
Dew Point
27°F
2 PM
46°F
10%
10mph
S
Cloudy
Humidity
49%
Feels like
41°F
Dew Point
28°F
3 PM
45°F
20%
10mph
S
Cloudy
Humidity
52%
Feels like
39°F
Dew Point
28°F
4 PM
43°F
10%
11mph
S
Cloudy
Humidity
58%
Feels like
37°F
Dew Point
29°F
4:16 PM
5 PM
41°F
20%
11mph
S
Cloudy
Humidity
62%
Feels like
35°F
Dew Point
29°F
6 PM
40°F
20%
12mph
S
Cloudy
Humidity
65%
Feels like
34°F
Dew Point
30°F
7 PM
40°F
10%
13mph
S
Mostly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
30°F
8 PM
40°F
10%
13mph
S
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
30°F
9 PM
39°F
10%
14mph
S
Partly Cloudy
Humidity
68%
Feels like
31°F
Dew Point
29°F
10 PM
39°F
10%
14mph
SSW
Partly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
29°F
11 PM
40°F
10%
14mph
SSW
Mostly Clear
Humidity
67%
Feels like
32°F
Dew Point
29°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide