Current weather conditions and 15 day weather forecast for New Surprise 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.
| 21 August 2026 Friday 31.9 ° C / 89.4°F ![]() Sunny |
Feels Like : 28.7 ° C / 83.7°F Humidity : % 22 Pressure : 1012 mb Wind Speed : 13.7 kmph / 8.5 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
18.9 ° C (66°F) |
34 ° C (93.2°F) |
25.8 ° C (78.5°F) |
% 48 | 1% | 7.5 | Sunrise:06:54 AM Sunset: 08:40 PM |
Moonrise:04:14 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
20.9 ° C (69.7°F) |
35.5 ° C (95.8°F) |
27.2 ° C (80.9°F) |
% 34 | 4% | 8.2 | Sunrise:06:55 AM Sunset: 08:38 PM |
Moonrise:05:13 PM Moonset: 12:34 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Cloudy |
17.5 ° C (63.6°F) |
35.8 ° C (96.4°F) |
26.3 ° C (79.4°F) |
% 44 | 57% | 7.5 | Sunrise:06:56 AM Sunset: 08:37 PM |
Moonrise:06:03 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
20.2 ° C (68.4°F) |
33.6 ° C (92.4°F) |
26.4 ° C (79.6°F) |
% 58 | 57% | 7.9 | Sunrise:06:57 AM Sunset: 08:35 PM |
Moonrise:06:43 PM Moonset: 02:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
20.4 ° C (68.6°F) |
35.1 ° C (95.3°F) |
27.2 ° C (81°F) |
% 55 | 58% | 9 | Sunrise:06:59 AM Sunset: 08:33 PM |
Moonrise:07:15 PM Moonset: 03:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Patchy rain nearby |
19.6 ° C (67.3°F) |
31.5 ° C (88.6°F) |
25.3 ° C (77.6°F) |
% 43 | 57% | 8 | Sunrise:07:00 AM Sunset: 08:32 PM |
Moonrise:07:41 PM Moonset: 04:28 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
18.4 ° C (65.1°F) |
30.3 ° C (86.5°F) |
24.3 ° C (75.8°F) |
% 38 | 1% | 8 | Sunrise:07:01 AM Sunset: 08:30 PM |
Moonrise:08:03 PM Moonset: 05:33 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
18.3 ° C (65°F) |
33.2 ° C (91.8°F) |
25.7 ° C (78.2°F) |
% 39 | 1% | 8 | Sunrise:07:02 AM Sunset: 08:28 PM |
Moonrise:08:23 PM Moonset: 06:37 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
20.8 ° C (69.4°F) |
37.6 ° C (99.6°F) |
29 ° C (84.3°F) |
% 40 | 57% | 9 | Sunrise:07:03 AM Sunset: 08:27 PM |
Moonrise:08:40 PM Moonset: 07:41 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Overcast |
23.4 ° C (74.1°F) |
39.4 ° C (102.9°F) |
31.1 ° C (87.9°F) |
% 29 | 4% | 9 | Sunrise:07:04 AM Sunset: 08:25 PM |
Moonrise:08:58 PM Moonset: 08:44 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Sunny |
23.7 ° C (74.6°F) |
38.9 ° C (102.1°F) |
30.7 ° C (87.3°F) |
% 33 | 3% | 9 | Sunrise:07:05 AM Sunset: 08:23 PM |
Moonrise:09:16 PM Moonset: 09:48 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Sunny |
24.6 ° C (76.3°F) |
39.7 ° C (103.4°F) |
31.3 ° C (88.4°F) |
% 25 | 2% | 9 | Sunrise:07:06 AM Sunset: 08:21 PM |
Moonrise:09:36 PM Moonset: 10:54 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Sunny |
17.8 ° C (64.1°F) |
28.3 ° C (83°F) |
23 ° C (73.5°F) |
% 42 | 57% | 7 | Sunrise:07:08 AM Sunset: 08:20 PM |
Moonrise:10:00 PM Moonset: 12:03 PM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Light rain shower |
18.4 ° C (65.1°F) |
25.5 ° C (77.8°F) |
21 ° C (69.9°F) |
% 81 | 83% | 7 | Sunrise:07:09 AM Sunset: 08:18 PM |
Moonrise:10:30 PM Moonset: 01:14 PM Moon Phase ( Last Quarter ) |
|