Hourly Weather Forecast - Rapid City, SD

12 AM
38°F
0%
10mph
W
Mostly Clear
Humidity
70%
Feels like
32°F
Dew Point
30°F
1 AM
37°F
0%
9mph
W
Mostly Clear
Humidity
74%
Feels like
31°F
Dew Point
30°F
2 AM
36°F
0%
9mph
W
Clear
Humidity
78%
Feels like
29°F
Dew Point
30°F
3 AM
35°F
0%
9mph
W
Mostly Clear
Humidity
79%
Feels like
28°F
Dew Point
30°F
4 AM
36°F
0%
9mph
W
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
29°F
5 AM
37°F
0%
9mph
W
Partly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
29°F
6 AM
38°F
0%
10mph
W
Partly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
30°F
7 AM
41°F
0%
11mph
W
Mostly Clear
Humidity
67%
Feels like
34°F
Dew Point
31°F
7:25 AM
8 AM
45°F
0%
12mph
W
Mostly Sunny
Humidity
60%
Feels like
39°F
Dew Point
31°F
9 AM
49°F
0%
14mph
W
Mostly Sunny
Humidity
52%
Feels like
43°F
Dew Point
32°F
10 AM
54°F
0%
16mph
W
Mostly Sunny
Humidity
45%
Feels like
54°F
Dew Point
33°F
11 AM
57°F
0%
17mph
W
Mostly Sunny
Humidity
41%
Feels like
57°F
Dew Point
33°F
12 PM
58°F
0%
17mph
W
Mostly Sunny
Humidity
39%
Feels like
58°F
Dew Point
34°F
1 PM
58°F
0%
15mph
W
Mostly Sunny
Humidity
39%
Feels like
58°F
Dew Point
34°F
2 PM
57°F
0%
14mph
WNW
Mostly Sunny
Humidity
40%
Feels like
57°F
Dew Point
33°F
3 PM
55°F
0%
12mph
WNW
Mostly Sunny
Humidity
44%
Feels like
55°F
Dew Point
33°F
4 PM
52°F
0%
10mph
NW
Sunny
Humidity
49%
Feels like
52°F
Dew Point
33°F
4:17 PM
5 PM
49°F
0%
8mph
NNW
Clear
Humidity
55%
Feels like
45°F
Dew Point
33°F
6 PM
46°F
0%
7mph
NNW
Mostly Clear
Humidity
61%
Feels like
42°F
Dew Point
33°F
7 PM
44°F
0%
6mph
NW
Mostly Clear
Humidity
67%
Feels like
40°F
Dew Point
33°F
8 PM
42°F
0%
5mph
NW
Partly Cloudy
Humidity
71%
Feels like
38°F
Dew Point
33°F
9 PM
41°F
0%
4mph
WNW
Mostly Clear
Humidity
73%
Feels like
38°F
Dew Point
33°F
10 PM
40°F
0%
4mph
W
Mostly Clear
Humidity
73%
Feels like
38°F
Dew Point
32°F
11 PM
40°F
0%
3mph
WSW
Partly Cloudy
Humidity
73%
Feels like
38°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

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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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