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Hour-by-Hour Forecast for Rapid City, South Dakota, USA

Currently: 74 °F. Partly sunny. (Weather station: Ellsworth Air Force Base, USA). See more current weather

Hour-by-hour Forecast in Rapid City — Graph

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
51
54
57
60
63
66
69
72
75
78
81
84
Thursday, August 28, 2025
6 pm
75
11
7 pm
74
8
8 pm
70
6
9 pm
67
6
10 pm
65
4
11 pm
65
3
Friday, August 29, 2025
0.01
12 am
65
4
0.01
1 am
64
4
2 am
63
4
3 am
63
4
4 am
62
5
0.01
5 am
61
5
0.02
6 am
61
5
0.02
7 am
61
6
0.02
8 am
63
6
0.02
9 am
66
8
0.02
10 am
68
8
0.01
11 am
69
9
12 pm
71
10
1 pm
72
10
2 pm
72
10
0.01
3 pm
73
10
0.01
4 pm
71
10
0.01
5 pm
70
10
0.01
6 pm
69
10
0.01
7 pm
67
9
0.01
8 pm
66
8
9 pm
63
8
10 pm
63
6
11 pm
62
5
Saturday, August 30, 2025
12 am
62
5
0.01
1 am
62
5
2 am
61
5
3 am
61
5
4 am
60
5
5 am
59
5
0.01
6 am
59
5
0.01
7 am
59
5
0.01
8 am
62
6
0.02
9 am
64
7
0.02
10 am
65
8
0.03
11 am
66
10
0.03
12 pm
67
12
0.04
1 pm
68
15
0.04
2 pm
68
18
0.05
3 pm
67
21
0.04
4 pm
67
19
0.04
5 pm
67
18
0.03
6 pm
65
17
0.02
7 pm
64
14
0.01
8 pm
63
11
9 pm
61
8
10 pm
60
6
11 pm
60
5
Sunday, August 31, 2025
12 am
59
4
1 am
59
5
2 am
58
6
3 am
57
7
4 am
57
6
5 am
56
6
6 am
55
6
7 am
56
6
8 am
59
7
9 am
63
8
10 am
66
9
11 am
69
11
12 pm
71
13
1 pm
72
14
2 pm
73
14
3 pm
74
14
4 pm
73
15
5 pm
73
15
6 pm
71
15
7 pm
69
11
8 pm
65
7
9 pm
60
4
10 pm
59
3
11 pm
58
3
Monday, September 1, 2025
12 am
57
3
1 am
57
3
2 am
56
3
3 am
55
4
4 am
54
4
5 am
53
4
6 am
53
5
7 am
54
4
8 am
59
3
9 am
66
4
10 am
72
6
11 am
75
9
12 pm
78
11
1 pm
80
12
2 pm
81
13
3 pm
82
15
4 pm
82
15
5 pm
82
16
6 pm
80
16
7 pm
76
13
8 pm
71
10
9 pm
64
8
10 pm
62
8
11 pm
62
8
Tuesday, September 2, 2025
12 am
60
8
1 am
60
7
2 am
58
7
3 am
57
7
4 am
56
7
5 am
55
6
6 am
55
5
7 am
56
5
8 am
60
5
9 am
67
7
10 am
71
9
11 am
74
12
12 pm
77
14
1 pm
79
13
2 pm
80
12
3 pm
80
11
4 pm
79
12
5 pm
77
14
6 pm
76
15
7 pm
73
10
8 pm
70
5
9 pm
65
3
10 pm
64
3
11 pm
63
3
Wednesday, September 3, 2025
12 am
62
3
1 am
62
3
2 am
63
3
3 am
63
3
4 am
61
2
5 am
57
2
6 am
57
3
7 am
56
4
8 am
58
7
9 am
59
9
10 am
62
9
11 am
64
10
12 pm
65
10
1 pm
67
10
2 pm
69
10
3 pm
70
10
4 pm
70
10
5 pm
69
11
6 pm
68
11
7 pm
66
8
8 pm
62
5
9 pm
57
3
10 pm
56
3
11 pm
57
3
Thursday, September 4, 2025
12 am
55
4
1 am
55
5
2 am
55
6
3 am
55
7
4 am
55
6
5 am
56
5
6 am
56
4
7 am
58
2
8 am
60
0
9 am
64
2
10 am
68
4
11 am
71
6
Thu, Aug 28 at 6:00 pm
75 °F
Mostly cloudy.
Feels Like: 78 °F
Humidity: 40%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 4%
ESE
Wind: 11 mph

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
6:00 pm
Thu, Aug 28
75 °FMostly cloudy.78 °F11 mph40%4%0.00" (snow)
0.00" (rain)
7:00 pm74 °FBroken clouds.77 °F8 mph43%3%0.00" (snow)
0.00" (rain)
8:00 pm70 °FScattered clouds.77 °F6 mph51%4%0.00" (snow)
0.00" (rain)
9:00 pm67 °FMostly clear.67 °F6 mph59%5%0.00" (snow)
0.00" (rain)
10:00 pm65 °FPassing showers. Partly cloudy.65 °F4 mph63%14%0.00" (snow)
0.00" (rain)
11:00 pm65 °FPassing showers. Mostly cloudy.65 °F3 mph63%16%0.00" (snow)
0.00" (rain)
12:00 am
Fri, Aug 29
65 °FPassing showers. Overcast.65 °F4 mph64%17%0.00" (snow)
0.01" (rain)
1:00 am64 °FDrizzle. Overcast.64 °F4 mph68%17%0.00" (snow)
0.01" (rain)
2:00 am63 °FDrizzle. Overcast.63 °F4 mph71%16%0.00" (snow)
0.00" (rain)
3:00 am63 °FDrizzle. Overcast.63 °F4 mph73%17%0.00" (snow)
0.00" (rain)
4:00 am62 °FDrizzle. Overcast.62 °F5 mph77%20%0.00" (snow)
0.00" (rain)
5:00 am61 °FDrizzle. Overcast.61 °F5 mph81%26%0.00" (snow)
0.01" (rain)
6:00 am61 °FDrizzle. Overcast.61 °F5 mph82%32%0.00" (snow)
0.02" (rain)
7:00 am61 °FA few showers. Overcast.61 °F6 mph84%35%0.00" (snow)
0.02" (rain)
8:00 am63 °FA few showers. Overcast.63 °F6 mph80%35%0.00" (snow)
0.02" (rain)
9:00 am66 °FA few showers. Overcast.66 °F8 mph76%36%0.00" (snow)
0.02" (rain)
10:00 am68 °FA few showers. Cloudy.68 °F8 mph71%39%0.00" (snow)
0.02" (rain)
11:00 am69 °FPassing showers. Mostly cloudy.69 °F9 mph67%44%0.00" (snow)
0.01" (rain)
12:00 pm71 °FPassing showers. Mostly cloudy.75 °F10 mph64%38%0.00" (snow)
0.00" (rain)
1:00 pm72 °FPassing showers. Broken clouds.76 °F10 mph62%39%0.00" (snow)
0.00" (rain)
2:00 pm72 °FPassing showers. Mostly cloudy.76 °F10 mph62%41%0.00" (snow)
0.00" (rain)
3:00 pm72 °FPassing showers. Cloudy.76 °F10 mph62%35%0.00" (snow)
0.01" (rain)
4:00 pm71 °FPassing showers. Cloudy.75 °F10 mph65%32%0.00" (snow)
0.01" (rain)
5:00 pm70 °FPassing showers. Mostly cloudy.74 °F10 mph68%33%0.00" (snow)
0.01" (rain)
* Updated Thursday, August 28, 2025 1:42:33 pm Rapid City time - Weather by CustomWeather, © 2025

14 days extended forecast