Hourly Weather Forecast - Spearfish, SD

12 AM
45°F
0%
7mph
SW
Mostly Cloudy
Humidity
42%
Feels like
41°F
Dew Point
24°F
1 AM
45°F
0%
7mph
SW
Partly Cloudy
Humidity
43%
Feels like
41°F
Dew Point
24°F
2 AM
45°F
0%
8mph
SW
Partly Cloudy
Humidity
45%
Feels like
41°F
Dew Point
25°F
3 AM
45°F
0%
8mph
SW
Partly Cloudy
Humidity
47%
Feels like
41°F
Dew Point
26°F
4 AM
45°F
0%
8mph
SW
Mostly Cloudy
Humidity
47%
Feels like
41°F
Dew Point
26°F
5 AM
45°F
0%
8mph
SW
Cloudy
Humidity
47%
Feels like
41°F
Dew Point
26°F
6 AM
45°F
10%
8mph
SW
Cloudy
Humidity
49%
Feels like
41°F
Dew Point
27°F
7 AM
46°F
10%
8mph
SW
Cloudy
Humidity
49%
Feels like
42°F
Dew Point
28°F
7:25 AM
8 AM
47°F
10%
8mph
SW
Cloudy
Humidity
47%
Feels like
44°F
Dew Point
29°F
9 AM
49°F
10%
8mph
SW
Cloudy
Humidity
48%
Feels like
46°F
Dew Point
31°F
10 AM
50°F
10%
8mph
WSW
Cloudy
Humidity
49%
Feels like
50°F
Dew Point
32°F
11 AM
51°F
10%
8mph
WSW
Cloudy
Humidity
50%
Feels like
51°F
Dew Point
33°F
12 PM
51°F
20%
8mph
W
Cloudy
Humidity
51%
Feels like
51°F
Dew Point
33°F
1 PM
50°F
20%
9mph
W
Mostly Cloudy
Humidity
51%
Feels like
50°F
Dew Point
33°F
2 PM
48°F
30%
9mph
W
30% Chance Rain Showers
Humidity
54%
Feels like
44°F
Dew Point
32°F
3 PM
45°F
30%
9mph
W
30% Chance Rain Showers
Humidity
59%
Feels like
41°F
Dew Point
32°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide