| Mobile / SMS Forecast new! | |
| Forecast RSS | |
| Display this area on my home page | |
| Mountain Project |
- Home »
- Weather by State »
- South Dakota »
- South Seas Boulders
South Seas Boulders Forecast updated 48 minutes ago
| Elevation: 5,206 feet |
| Sunrise / Sunset: 5:39 AM / 8:20 PM |
| Forecast | High / Low | Precip. Chance |
Wind (gust) / Humidity |
Conditions | |
|---|---|---|---|---|---|
| Today Jul 30 |
85° 70° |
17% 10% PM |
2 mph (3 mph) 47% |
-- | |
| Tomorrow Jul 31 |
84° 58° |
28% 25% PM 0.04 in |
8 mph (9 mph) 48% |
chance of thunderstorms | |
| Sunday Aug 1 |
85° 61° |
20% 29% PM 0.06 in |
9 mph 57% |
chance of thunderstorms | |
| Monday Aug 2 |
81° 57° |
18% 26% PM 0.02 in |
8 mph (9 mph) 63% |
chance of thunderstorms | |
| Tuesday Aug 3 |
78° 58° |
19% 22% PM |
6 mph 63% |
slight chance of thunderstorms | |
| Wednesday Aug 4 |
80° 59° |
20% 27% PM |
6 mph 65% |
chance of thunderstorms | |
| Thursday Aug 5 |
79° 58° |
20% 22% PM |
6 mph 66% |
slight chance of thunderstorms | |
| Tomorrow | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
64° 17% |
10% |
1 mph (2 mph) 58% |
-- | |
| 3:00 AM |
60° 45% |
10% |
5 mph (6 mph) 64% |
-- | |
| 6:00 AM |
58° 45% |
10% |
6 mph (7 mph) 69% |
-- | |
| 9:00 AM |
72° 45% |
28% |
9 mph (10 mph) 44% |
-- | |
| 12:00 PM |
81° 54% |
28% |
10 mph (13 mph) 35% |
chance of thunderstorms | |
| 3:00 PM |
83° 54% |
28%
0.01 in |
10 mph (13 mph) 34% |
chance of thunderstorms | |
| 6:00 PM |
82° 54% |
28%
0.01 in |
8 mph (9 mph) 37% |
chance of thunderstorms | |
| 9:00 PM |
71° 54% |
25%
0.01 in |
10 mph (13 mph) 53% |
chance of thunderstorms | |
| Sunday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
66° 53% |
25%
0.01 in |
13 mph (17 mph) 65% |
chance of thunderstorms | |
| 3:00 AM |
63° 49% |
25%
0.01 in |
10 mph (13 mph) 73% |
chance of thunderstorms | |
| 6:00 AM |
61° 45% |
25%
0.01 in |
7 mph (8 mph) 77% |
slight chance of thunderstorms | |
| 9:00 AM |
72° 46% |
20%
0.01 in |
6 mph (7 mph) 55% |
slight chance of thunderstorms | |
| 12:00 PM |
80° 47% |
20%
0.01 in |
6 mph (7 mph) 44% |
slight chance of thunderstorms | |
| 3:00 PM |
84° 48% |
20%
0.01 in |
6 mph (7 mph) 40% |
slight chance of thunderstorms | |
| 6:00 PM |
82° 49% |
20%
0.01 in |
11 mph (14 mph) 43% |
chance of thunderstorms | |
| 9:00 PM |
69° 48% |
29%
0.01 in |
13 mph (17 mph) 66% |
chance of thunderstorms | |
| Monday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
63° 47% |
29%
0.01 in |
13 mph (17 mph) 78% |
chance of thunderstorms | |
| 3:00 AM |
59° 45% |
29%
0.01 in |
11 mph (14 mph) 86% |
chance of thunderstorms | |
| 6:00 AM |
57° 44% |
29%
0.01 in |
8 mph (9 mph) 89% |
slight chance of thunderstorms | |
| 9:00 AM |
68° 44% |
18% |
7 mph (8 mph) 58% |
slight chance of thunderstorms | |
| 12:00 PM |
76° 47% |
18% |
8 mph (9 mph) 48% |
slight chance of thunderstorms | |
| 3:00 PM |
80° 47% |
18% |
7 mph (8 mph) 42% |
slight chance of thunderstorms | |
| 6:00 PM |
79° 48% |
18% |
7 mph (8 mph) 44% |
chance of thunderstorms | |
| Tuesday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
63° 47% |
26% |
9 mph 73% |
chance of thunderstorms | |
| 6:00 AM |
58° 47% |
26% |
9 mph 83% |
slight chance of thunderstorms | |
| 12:00 PM |
74° 42% |
19% |
5 mph 51% |
slight chance of thunderstorms | |
| 6:00 PM |
76° 44% |
19% |
4 mph 48% |
slight chance of thunderstorms | |
| Wednesday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
63° 42% |
22% |
11 mph 75% |
slight chance of thunderstorms | |
| 6:00 AM |
59° 43% |
22% |
10 mph 86% |
slight chance of thunderstorms | |
| 12:00 PM |
76° 44% |
20% |
2 mph 51% |
slight chance of thunderstorms | |
| 6:00 PM |
78° 49% |
20% |
3 mph 49% |
chance of thunderstorms | |
| Thursday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
63° 41% |
27% |
8 mph 81% |
chance of thunderstorms | |
| 6:00 AM |
58° 43% |
27% |
9 mph 87% |
slight chance of thunderstorms | |
| 12:00 PM |
75° 41% |
20% |
3 mph 52% |
slight chance of thunderstorms | |
| 6:00 PM |
77° 31% |
20% |
4 mph 47% |
slight chance of thunderstorms | |
| Friday | Temp / Cloud Cover |
Precip. Chance |
Wind (gus) / Humidity | Conditions | |
|---|---|---|---|---|---|
| 12:00 AM |
63° 35% |
22% |
11 mph 81% |
slight chance of thunderstorms | |
| 6:00 AM |
59° 38% |
22% |
10 mph 80% |
slight chance of thunderstorms | |
| 12:00 PM |
73° 32% |
22% |
5 mph 55% |
slight chance of thunderstorms | |
| 6:00 PM |
75° 37% |
22% |
6 mph 54% |
slight chance of thunderstorms | |
Monthly averages are for the weather station MT RUSHMORE NATL MEM, which is 0 miles away and 44 feet above the location used for the South Seas Boulders forecasts.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | 32.7 | 35.9 | 41.7 | 49.8 | 60.6 | 71.5 | 78.8 | 77.5 | 67.2 | 55.3 | 40.6 | 34.3 | 53.8 |
| Mean | 24.4 | 27.4 | 32.6 | 40.4 | 50.7 | 61.2 | 68.5 | 67.6 | 57.9 | 46.3 | 32.8 | 26.3 | 44.7 |
| Low | 16.1 | 18.8 | 23.4 | 30.9 | 40.8 | 50.9 | 58.1 | 57.7 | 48.5 | 37.3 | 25.0 | 18.3 | 35.5 |
| Precipitation (inches) | 0.3 | 0.5 | 1.1 | 2.2 | 3.9 | 3.7 | 3.1 | 2.0 | 1.5 | 1.5 | 0.6 | 0.4 | 21.4 |
No videos available
The point on the map is the point used for weather forecasts. Forecasts are accurate to within several miles. If the point is more than a mile from the
main climbing area, click on the map and complete the form below. We will update our forecast location as soon as possible.
Loading area map ... 

Area location not quite correct? Click the map and complete the form to suggest a new point.
