Hourly Weather Forecast - Rapid City, SD

12 AM
41°F
10%
7mph
WSW
Clear
Humidity
69%
Feels like
36°F
Dew Point
31°F
1 AM
40°F
10%
7mph
WSW
Clear
Humidity
68%
Feels like
35°F
Dew Point
31°F
2 AM
39°F
10%
8mph
SW
Clear
Humidity
68%
Feels like
33°F
Dew Point
29°F
3 AM
37°F
10%
8mph
SW
Clear
Humidity
69%
Feels like
31°F
Dew Point
28°F
4 AM
36°F
10%
8mph
SW
Clear
Humidity
70%
Feels like
29°F
Dew Point
27°F
5 AM
35°F
10%
9mph
SW
Mostly Clear
Humidity
70%
Feels like
28°F
Dew Point
26°F
6 AM
36°F
10%
9mph
SW
Mostly Clear
Humidity
66%
Feels like
29°F
Dew Point
26°F
7 AM
39°F
10%
10mph
SW
Mostly Clear
Humidity
59%
Feels like
32°F
Dew Point
26°F
7:27 AM
8 AM
43°F
10%
11mph
SW
Mostly Sunny
Humidity
50%
Feels like
37°F
Dew Point
26°F
9 AM
48°F
10%
11mph
SW
Mostly Sunny
Humidity
43%
Feels like
43°F
Dew Point
26°F
10 AM
51°F
10%
12mph
SW
Mostly Sunny
Humidity
37%
Feels like
51°F
Dew Point
26°F
11 AM
54°F
10%
13mph
WSW
Sunny
Humidity
32%
Feels like
54°F
Dew Point
25°F
12 PM
56°F
0%
13mph
WSW
Sunny
Humidity
29%
Feels like
56°F
Dew Point
24°F
1 PM
56°F
0%
14mph
W
Sunny
Humidity
27%
Feels like
56°F
Dew Point
23°F
2 PM
55°F
0%
14mph
W
Sunny
Humidity
26%
Feels like
55°F
Dew Point
21°F
3 PM
53°F
0%
12mph
W
Sunny
Humidity
27%
Feels like
53°F
Dew Point
20°F
4 PM
51°F
0%
9mph
W
Sunny
Humidity
30%
Feels like
51°F
Dew Point
20°F
4:20 PM
5 PM
47°F
0%
8mph
W
Mostly Clear
Humidity
35%
Feels like
44°F
Dew Point
22°F
6 PM
45°F
0%
8mph
W
Mostly Clear
Humidity
41%
Feels like
40°F
Dew Point
23°F
7 PM
42°F
0%
9mph
W
Mostly Clear
Humidity
48%
Feels like
37°F
Dew Point
24°F
8 PM
42°F
10%
10mph
W
Mostly Clear
Humidity
52%
Feels like
36°F
Dew Point
25°F
9 PM
42°F
10%
11mph
W
Mostly Clear
Humidity
51%
Feels like
36°F
Dew Point
25°F
10 PM
42°F
10%
11mph
W
Mostly Clear
Humidity
49%
Feels like
36°F
Dew Point
25°F
11 PM
43°F
10%
11mph
W
Mostly Clear
Humidity
46%
Feels like
37°F
Dew Point
24°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

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Today's Weather Outlook

Today'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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