Hourly Weather Forecast - Rapid City, SD

12 AM
40°F
10%
7mph
SW
Clear
Humidity
73%
Feels like
35°F
Dew Point
32°F
1 AM
39°F
10%
7mph
SW
Clear
Humidity
72%
Feels like
34°F
Dew Point
31°F
2 AM
38°F
10%
8mph
SW
Clear
Humidity
72%
Feels like
32°F
Dew Point
30°F
3 AM
37°F
10%
8mph
SSW
Clear
Humidity
72%
Feels like
30°F
Dew Point
28°F
4 AM
35°F
10%
8mph
SSW
Clear
Humidity
73%
Feels like
28°F
Dew Point
27°F
5 AM
35°F
10%
9mph
SSW
Mostly Clear
Humidity
72%
Feels like
28°F
Dew Point
26°F
6 AM
36°F
10%
9mph
SSW
Mostly Clear
Humidity
66%
Feels like
29°F
Dew Point
26°F
7 AM
39°F
10%
10mph
SW
Mostly Clear
Humidity
58%
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
47°F
10%
11mph
SW
Mostly Sunny
Humidity
42%
Feels like
42°F
Dew Point
26°F
10 AM
51°F
10%
12mph
WSW
Mostly Sunny
Humidity
37%
Feels like
51°F
Dew Point
25°F
11 AM
53°F
10%
12mph
WSW
Sunny
Humidity
32%
Feels like
53°F
Dew Point
24°F
12 PM
55°F
0%
13mph
WSW
Sunny
Humidity
28%
Feels like
55°F
Dew Point
23°F
1 PM
56°F
0%
14mph
W
Sunny
Humidity
26%
Feels like
56°F
Dew Point
22°F
2 PM
55°F
0%
13mph
W
Sunny
Humidity
25%
Feels like
55°F
Dew Point
20°F
3 PM
53°F
0%
11mph
W
Sunny
Humidity
26%
Feels like
53°F
Dew Point
19°F
4 PM
51°F
0%
9mph
W
Sunny
Humidity
28%
Feels like
51°F
Dew Point
19°F
4:20 PM
5 PM
49°F
0%
7mph
WSW
Mostly Clear
Humidity
32%
Feels like
45°F
Dew Point
20°F
6 PM
47°F
0%
7mph
WSW
Mostly Clear
Humidity
36%
Feels like
43°F
Dew Point
22°F
7 PM
45°F
0%
8mph
W
Mostly Clear
Humidity
41%
Feels like
41°F
Dew Point
23°F
8 PM
44°F
10%
9mph
W
Mostly Clear
Humidity
44%
Feels like
39°F
Dew Point
24°F
9 PM
45°F
10%
10mph
W
Mostly Clear
Humidity
44%
Feels like
39°F
Dew Point
24°F
10 PM
45°F
10%
10mph
W
Mostly Clear
Humidity
43%
Feels like
40°F
Dew Point
24°F
11 PM
45°F
10%
11mph
W
Mostly Clear
Humidity
42%
Feels like
40°F
Dew Point
23°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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