Hourly Weather Forecast - Spearfish, SD

12 AM
59°F
0%
15mph
SW
Mostly Clear
Humidity
38%
Feels like
59°F
Dew Point
34°F
1 AM
59°F
0%
17mph
SW
Partly Cloudy
Humidity
38%
Feels like
59°F
Dew Point
34°F
2 AM
58°F
10%
17mph
SW
Partly Cloudy
Humidity
39%
Feels like
58°F
Dew Point
34°F
3 AM
57°F
20%
16mph
SW
Partly Cloudy
Humidity
41%
Feels like
57°F
Dew Point
34°F
4 AM
56°F
20%
15mph
WSW
Partly Cloudy
Humidity
43%
Feels like
56°F
Dew Point
34°F
5 AM
55°F
20%
13mph
WSW
Partly Cloudy
Humidity
45%
Feels like
55°F
Dew Point
35°F
6 AM
54°F
10%
11mph
WSW
Mostly Clear
Humidity
48%
Feels like
54°F
Dew Point
35°F
7 AM
53°F
10%
9mph
W
Mostly Clear
Humidity
50%
Feels like
53°F
Dew Point
35°F
7:30 AM
8 AM
53°F
0%
8mph
WNW
Mostly Sunny
Humidity
50%
Feels like
53°F
Dew Point
35°F
9 AM
53°F
0%
7mph
WNW
Partly Cloudy
Humidity
49%
Feels like
53°F
Dew Point
34°F
10 AM
53°F
10%
6mph
WNW
Mostly Cloudy
Humidity
47%
Feels like
53°F
Dew Point
33°F
11 AM
54°F
0%
5mph
WNW
Cloudy
Humidity
44%
Feels like
54°F
Dew Point
32°F
12 PM
54°F
0%
5mph
NW
Cloudy
Humidity
42%
Feels like
54°F
Dew Point
31°F
1 PM
53°F
0%
4mph
NW
Cloudy
Humidity
41%
Feels like
53°F
Dew Point
30°F
2 PM
51°F
0%
4mph
NW
Cloudy
Humidity
43%
Feels like
51°F
Dew Point
29°F
3 PM
47°F
0%
3mph
NNW
Mostly Cloudy
Humidity
52%
Feels like
46°F
Dew Point
30°F
4 PM
43°F
10%
3mph
NNE
Partly Cloudy
Humidity
65%
Feels like
41°F
Dew Point
32°F
4:20 PM
5 PM
39°F
10%
3mph
NE
Partly Cloudy
Humidity
79%
Feels like
38°F
Dew Point
33°F
6 PM
38°F
10%
3mph
E
Mostly Clear
Humidity
84%
Feels like
38°F
Dew Point
34°F
7 PM
37°F
20%
2mph
SSE
Mostly Clear
Humidity
87%
Feels like
37°F
Dew Point
33°F
8 PM
36°F
10%
2mph
S
Clear
Humidity
87%
Feels like
36°F
Dew Point
33°F
9 PM
35°F
10%
2mph
S
Clear
Humidity
88%
Feels like
35°F
Dew Point
32°F
10 PM
36°F
10%
2mph
S
Clear
Humidity
84%
Feels like
36°F
Dew Point
31°F
11 PM
37°F
10%
2mph
S
Clear
Humidity
79%
Feels like
37°F
Dew Point
31°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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