Current weather conditions and 15 day weather forecast for Rapid Valley, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 09 August 2026 Sunday 35.3 ° C / 95.5°F ![]() Sunny |
Feels Like : 31 ° C / 87.8°F Humidity : % 17 Pressure : 1005 mb Wind Speed : 17.6 kmph / 11 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 August 2026 Saturday | Sunny |
16.8 ° C (62.2°F) |
36.7 ° C (98.1°F) |
26.9 ° C (80.5°F) |
% 34 | 1% | 6.9 | Sunrise:05:48 AM Sunset: 08:07 PM |
Moonrise:12:19 AM Moonset: 05:02 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
20.1 ° C (68.2°F) |
34.3 ° C (93.8°F) |
27 ° C (80.7°F) |
% 26 | 1% | 6.8 | Sunrise:05:49 AM Sunset: 08:06 PM |
Moonrise:01:16 AM Moonset: 06:04 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
17.6 ° C (63.7°F) |
37.4 ° C (99.4°F) |
27 ° C (80.5°F) |
% 38 | 1% | 6.4 | Sunrise:05:50 AM Sunset: 08:05 PM |
Moonrise:02:28 AM Moonset: 06:54 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
18 ° C (64.5°F) |
33.4 ° C (92.1°F) |
24.9 ° C (76.8°F) |
% 48 | 57% | 7 | Sunrise:05:51 AM Sunset: 08:03 PM |
Moonrise:03:50 AM Moonset: 07:33 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
17.5 ° C (63.6°F) |
34 ° C (93.2°F) |
23.8 ° C (74.8°F) |
% 54 | 57% | 6.7 | Sunrise:05:53 AM Sunset: 08:02 PM |
Moonrise:05:16 AM Moonset: 08:03 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Patchy rain nearby |
16.5 ° C (61.7°F) |
27.3 ° C (81.1°F) |
21.2 ° C (70.2°F) |
% 67 | 43% | 7 | Sunrise:05:54 AM Sunset: 08:00 PM |
Moonrise:06:41 AM Moonset: 08:28 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
17.6 ° C (63.7°F) |
34.7 ° C (94.4°F) |
24.8 ° C (76.6°F) |
% 58 | 3% | 8 | Sunrise:05:55 AM Sunset: 07:59 PM |
Moonrise:08:03 AM Moonset: 08:51 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
17 ° C (62.6°F) |
31.8 ° C (89.2°F) |
24.7 ° C (76.4°F) |
% 53 | 3% | 8 | Sunrise:05:56 AM Sunset: 07:57 PM |
Moonrise:09:22 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
20.4 ° C (68.7°F) |
33.9 ° C (92.9°F) |
27.2 ° C (80.9°F) |
% 38 | 1% | 8 | Sunrise:05:57 AM Sunset: 07:56 PM |
Moonrise:10:38 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
20.5 ° C (69°F) |
34.9 ° C (94.8°F) |
26.7 ° C (80°F) |
% 39 | 17% | 8 | Sunrise:05:58 AM Sunset: 07:54 PM |
Moonrise:11:54 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
20.4 ° C (68.7°F) |
36.4 ° C (97.6°F) |
28.2 ° C (82.8°F) |
% 33 | 17% | 9 | Sunrise:05:59 AM Sunset: 07:52 PM |
Moonrise:01:08 PM Moonset: 10:25 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.3 ° C (66.7°F) |
28.6 ° C (83.4°F) |
24.3 ° C (75.8°F) |
% 47 | 2% | 7 | Sunrise:06:01 AM Sunset: 07:51 PM |
Moonrise:02:19 PM Moonset: 10:59 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
16.2 ° C (61.1°F) |
30.7 ° C (87.2°F) |
23.1 ° C (73.5°F) |
% 56 | 36% | 8 | Sunrise:06:02 AM Sunset: 07:49 PM |
Moonrise:03:25 PM Moonset: 11:41 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
17.9 ° C (64.2°F) |
35.2 ° C (95.3°F) |
26.3 ° C (79.3°F) |
% 43 | 2% | 8 | Sunrise:06:03 AM Sunset: 07:48 PM |
Moonrise:04:24 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|