Extended 10-day forecasts, Rapid City (SD)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Rapid City, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our September climate page to see if the current temperatures in Rapid City is typical for this time of year.
Today · Wednesday 2 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 09:00 |
Mostly sunny
|
18°C (64°F) | 0 mm (0 in) | 79% | SE 2 m/s (4 knots) |
| 10:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 69% | SE 3 m/s (6 knots) |
| 11:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 59% | SE 3 m/s (6 knots) |
| 12:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 53% | SE 4 m/s (8 knots) |
| 13:00 |
Mostly sunny
|
27°C (81°F) | 0 mm (0 in) | 46% | SE 4 m/s (8 knots) |
| 14:00 |
Partly cloudy
|
29°C (84°F) | 0 mm (0 in) | 41% | SE 5 m/s (10 knots) |
| 15:00 |
Light rain showers
|
30°C (86°F) | 0.2 mm (0.01 in) | 38% | SE 5 m/s (10 knots) |
| 16:00 |
Mostly sunny
|
30°C (86°F) | 0 mm (0 in) | 34% | SE 6 m/s (12 knots) |
| 17:00 |
Partly cloudy
|
31°C (88°F) | 0 mm (0 in) | 26% | SE 7 m/s (14 knots) |
| 18:00 |
Partly cloudy
|
30°C (86°F) | 0 mm (0 in) | 25% | S 5 m/s (10 knots) |
| 19:00 |
Mostly clear
|
28°C (82°F) | 0 mm (0 in) | 30% | S 4 m/s (8 knots) |
| 20:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 36% | S 4 m/s (8 knots) |
| 21:00 |
Mostly clear
|
24°C (75°F) | 0 mm (0 in) | 38% | S 4 m/s (8 knots) |
| 22:00 |
Mostly clear
|
23°C (73°F) | 0 mm (0 in) | 39% | SW 5 m/s (10 knots) |
| 23:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 40% | SW 5 m/s (10 knots) |
09:00
Mostly sunny
79% · SE 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
10:00
Clear skies
69% · SE 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
11:00
Clear skies
59% · SE 3 m/s (6 knots)
23°C (73°F)
0 mm (0 in)
12:00
Clear skies
53% · SE 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
13:00
Mostly sunny
46% · SE 4 m/s (8 knots)
27°C (81°F)
0 mm (0 in)
14:00
Partly cloudy
41% · SE 5 m/s (10 knots)
29°C (84°F)
0 mm (0 in)
15:00
Light rain showers
38% · SE 5 m/s (10 knots)
30°C (86°F)
0.2 mm (0.01 in)
16:00
Mostly sunny
34% · SE 6 m/s (12 knots)
30°C (86°F)
0 mm (0 in)
17:00
Partly cloudy
26% · SE 7 m/s (14 knots)
31°C (88°F)
0 mm (0 in)
18:00
Partly cloudy
25% · S 5 m/s (10 knots)
30°C (86°F)
0 mm (0 in)
19:00
Mostly clear
30% · S 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
20:00
Partly cloudy
36% · S 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
21:00
Mostly clear
38% · S 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
22:00
Mostly clear
39% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
23:00
Partly cloudy
40% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
Tomorrow · Thursday 3 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Mostly clear
|
22°C (72°F) | 0 mm (0 in) | 43% | SW 5 m/s (10 knots) |
| 01:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 39% | SW 5 m/s (10 knots) |
| 02:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 38% | SW 6 m/s (12 knots) |
| 03:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 40% | SW 5 m/s (10 knots) |
| 04:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 42% | SW 6 m/s (12 knots) |
| 05:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 42% | SW 6 m/s (12 knots) |
| 06:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 43% | W 6 m/s (12 knots) |
| 07:00 |
Mostly sunny
|
22°C (72°F) | 0 mm (0 in) | 43% | W 6 m/s (12 knots) |
| 08:00 |
Mostly sunny
|
24°C (75°F) | 0 mm (0 in) | 39% | W 6 m/s (12 knots) |
| 09:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 29% | NW 5 m/s (10 knots) |
| 10:00 |
Clear skies
|
28°C (82°F) | 0 mm (0 in) | 19% | N 4 m/s (8 knots) |
| 11:00 |
Clear skies
|
29°C (84°F) | 0 mm (0 in) | 17% | N 4 m/s (8 knots) |
| 12:00 |
Mostly sunny
|
30°C (86°F) | 0 mm (0 in) | 17% | NE 2 m/s (4 knots) |
| 13:00 |
Mostly sunny
|
30°C (86°F) | 0 mm (0 in) | 18% | E 4 m/s (8 knots) |
| 14:00 |
Clear skies
|
31°C (88°F) | 0 mm (0 in) | 18% | SE 4 m/s (8 knots) |
| 15:00 |
Mostly sunny
|
32°C (90°F) | 0 mm (0 in) | 17% | SE 5 m/s (10 knots) |
| 16:00 |
Mostly sunny
|
33°C (91°F) | 0 mm (0 in) | 16% | SE 6 m/s (12 knots) |
| 17:00 |
Clear skies
|
32°C (90°F) | 0 mm (0 in) | 17% | SE 6 m/s (12 knots) |
| 18:00 |
Mostly sunny
|
31°C (88°F) | 0 mm (0 in) | 19% | SE 6 m/s (12 knots) |
| 19:00 |
Clear skies
|
28°C (82°F) | 0 mm (0 in) | 28% | SE 6 m/s (12 knots) |
| 20:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 38% | SE 5 m/s (10 knots) |
| 21:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 44% | S 2 m/s (4 knots) |
| 22:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 43% | SW 3 m/s (6 knots) |
| 23:00 |
Clear skies
|
21°C (70°F) | 0 mm (0 in) | 48% | SW 3 m/s (6 knots) |
00:00
Mostly clear
43% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
01:00
Partly cloudy
39% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
02:00
Partly cloudy
38% · SW 6 m/s (12 knots)
22°C (72°F)
0 mm (0 in)
03:00
Partly cloudy
40% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
04:00
Partly cloudy
42% · SW 6 m/s (12 knots)
21°C (70°F)
0 mm (0 in)
05:00
Partly cloudy
42% · SW 6 m/s (12 knots)
22°C (72°F)
0 mm (0 in)
06:00
Partly cloudy
43% · W 6 m/s (12 knots)
21°C (70°F)
0 mm (0 in)
07:00
Mostly sunny
43% · W 6 m/s (12 knots)
22°C (72°F)
0 mm (0 in)
08:00
Mostly sunny
39% · W 6 m/s (12 knots)
24°C (75°F)
0 mm (0 in)
09:00
Mostly sunny
29% · NW 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
10:00
Clear skies
19% · N 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
11:00
Clear skies
17% · N 4 m/s (8 knots)
29°C (84°F)
0 mm (0 in)
12:00
Mostly sunny
17% · NE 2 m/s (4 knots)
30°C (86°F)
0 mm (0 in)
13:00
Mostly sunny
18% · E 4 m/s (8 knots)
30°C (86°F)
0 mm (0 in)
14:00
Clear skies
18% · SE 4 m/s (8 knots)
31°C (88°F)
0 mm (0 in)
15:00
Mostly sunny
17% · SE 5 m/s (10 knots)
32°C (90°F)
0 mm (0 in)
16:00
Mostly sunny
16% · SE 6 m/s (12 knots)
33°C (91°F)
0 mm (0 in)
17:00
Clear skies
17% · SE 6 m/s (12 knots)
32°C (90°F)
0 mm (0 in)
18:00
Mostly sunny
19% · SE 6 m/s (12 knots)
31°C (88°F)
0 mm (0 in)
19:00
Clear skies
28% · SE 6 m/s (12 knots)
28°C (82°F)
0 mm (0 in)
20:00
Clear skies
38% · SE 5 m/s (10 knots)
25°C (77°F)
0 mm (0 in)
21:00
Clear skies
44% · S 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
22:00
Clear skies
43% · SW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
23:00
Clear skies
48% · SW 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
00:00
Morning
06:00
Afternoon
12:00
Evening
18:00
Friday
4 Sep
20°C (68°F)
0 mm (0 in)
Clear skies
50% · SW 3 m/s (6 knots)
18°C (64°F)
0 mm (0 in)
Clear skies
57% · S 4 m/s (8 knots)
32°C (90°F)
0 mm (0 in)
Mostly sunny
30% · S 7 m/s (14 knots)
32°C (90°F)
0 mm (0 in)
Clear skies
25% · SE 7 m/s (14 knots)
Fri
4 Sep
night
20°C (68°F)
0 mm (0 in)
Clear skies
50%
3 m/s (6 knots)
morning
18°C (64°F)
0 mm (0 in)
Clear skies
57%
4 m/s (8 knots)
afternoon
32°C (90°F)
0 mm (0 in)
Mostly sunny
30%
7 m/s (14 knots)
evening
32°C (90°F)
0 mm (0 in)
Clear skies
25%
7 m/s (14 knots)
Saturday
5 Sep
24°C (75°F)
0 mm (0 in)
Clear skies
62% · SW 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
Clear skies
39% · W 4 m/s (8 knots)
36°C (97°F)
0.4 mm (0.02 in)
Clear skies
14% · SE 1 m/s (2 knots)
33°C (91°F)
0.1 mm (0 in)
Partly cloudy
25% · E 4 m/s (8 knots)
Sat
5 Sep
night
24°C (75°F)
0 mm (0 in)
Clear skies
62%
4 m/s (8 knots)
morning
22°C (72°F)
0 mm (0 in)
Clear skies
39%
4 m/s (8 knots)
afternoon
36°C (97°F)
0.4 mm (0.02 in)
Clear skies
14%
1 m/s (2 knots)
evening
33°C (91°F)
0.1 mm (0 in)
Partly cloudy
25%
4 m/s (8 knots)
Sunday
6 Sep
24°C (75°F)
0 mm (0 in)
Clear skies
46% · NW 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
57% · W 2 m/s (4 knots)
30°C (86°F)
0.6 mm (0.02 in)
Light rain showers
37% · N 4 m/s (8 knots)
30°C (86°F)
0 mm (0 in)
Clear skies
38% · SE 3 m/s (6 knots)
Sun
6 Sep
night
24°C (75°F)
0 mm (0 in)
Clear skies
46%
3 m/s (6 knots)
morning
21°C (70°F)
0 mm (0 in)
Cloudy
57%
2 m/s (4 knots)
afternoon
30°C (86°F)
0.6 mm (0.02 in)
Light rain showers
37%
4 m/s (8 knots)
evening
30°C (86°F)
0 mm (0 in)
Clear skies
38%
3 m/s (6 knots)
Monday
7 Sep
23°C (73°F)
0 mm (0 in)
Mostly clear
74% · S 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
77% · S 4 m/s (8 knots)
30°C (86°F)
0.1 mm (0 in)
Partly cloudy
45% · N 4 m/s (8 knots)
34°C (93°F)
0 mm (0 in)
Partly cloudy
22% · S 2 m/s (4 knots)
Mon
7 Sep
night
23°C (73°F)
0 mm (0 in)
Mostly clear
74%
2 m/s (4 knots)
morning
21°C (70°F)
0 mm (0 in)
Cloudy
77%
4 m/s (8 knots)
afternoon
30°C (86°F)
0.1 mm (0 in)
Partly cloudy
45%
4 m/s (8 knots)
evening
34°C (93°F)
0 mm (0 in)
Partly cloudy
22%
2 m/s (4 knots)
Tuesday
8 Sep
25°C (77°F)
0 mm (0 in)
Mostly clear
42% · SW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
Partly cloudy
61% · NW 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
Cloudy
26% · NW 5 m/s (10 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
26% · N 5 m/s (10 knots)
Tue
8 Sep
night
25°C (77°F)
0 mm (0 in)
Mostly clear
42%
5 m/s (10 knots)
morning
20°C (68°F)
0 mm (0 in)
Partly cloudy
61%
5 m/s (10 knots)
afternoon
26°C (79°F)
0 mm (0 in)
Cloudy
26%
5 m/s (10 knots)
evening
25°C (77°F)
0 mm (0 in)
Clear skies
26%
5 m/s (10 knots)
Wednesday
9 Sep
16°C (61°F)
0 mm (0 in)
Clear skies
60% · W 1 m/s (2 knots)
13°C (55°F)
0 mm (0 in)
Clear skies
66% · W 1 m/s (2 knots)
27°C (81°F)
0 mm (0 in)
Clear skies
32% · NE 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Clear skies
33% · NE 2 m/s (4 knots)
Wed
9 Sep
night
16°C (61°F)
0 mm (0 in)
Clear skies
60%
1 m/s (2 knots)
morning
13°C (55°F)
0 mm (0 in)
Clear skies
66%
1 m/s (2 knots)
afternoon
27°C (81°F)
0 mm (0 in)
Clear skies
32%
3 m/s (6 knots)
evening
27°C (81°F)
0 mm (0 in)
Clear skies
33%
2 m/s (4 knots)
Thursday
10 Sep
19°C (66°F)
0 mm (0 in)
Clear skies
52% · W 1 m/s (2 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
68% · W 3 m/s (6 knots)
29°C (84°F)
0 mm (0 in)
Clear skies
20% · NE 2 m/s (4 knots)
29°C (84°F)
0 mm (0 in)
Clear skies
20% · NW 3 m/s (6 knots)
Thu
10 Sep
night
19°C (66°F)
0 mm (0 in)
Clear skies
52%
1 m/s (2 knots)
morning
15°C (59°F)
0 mm (0 in)
Clear skies
68%
3 m/s (6 knots)
afternoon
29°C (84°F)
0 mm (0 in)
Clear skies
20%
2 m/s (4 knots)
evening
29°C (84°F)
0 mm (0 in)
Clear skies
20%
3 m/s (6 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Rapid City weather by month
Browse monthly averages for Rapid City: climate by month with temperature, rainfall and sunshine.
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