Current weather conditions and 15 day weather forecast for Alliance, 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.
| 11 August 2026 Tuesday 21.7 ° C / 71.1°F ![]() Sunny |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 55 Pressure : 1017 mb Wind Speed : 11.9 kmph / 7.4 miles from SSW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 August 2026 Saturday | Sunny |
11.1 ° C (52°F) |
27.8 ° C (82°F) |
19.7 ° C (67.4°F) |
% 62 | 4% | 7.3 | Sunrise:06:22 AM Sunset: 08:40 PM |
Moonrise:12:52 AM Moonset: 05:33 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
18.1 ° C (64.6°F) |
29 ° C (84.3°F) |
23.6 ° C (74.5°F) |
% 75 | 36% | 5.3 | Sunrise:06:23 AM Sunset: 08:39 PM |
Moonrise:01:49 AM Moonset: 06:35 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
14.1 ° C (57.4°F) |
34.1 ° C (93.4°F) |
24.4 ° C (75.9°F) |
% 66 | 57% | 6.3 | Sunrise:06:24 AM Sunset: 08:37 PM |
Moonrise:03:00 AM Moonset: 07:25 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
15.2 ° C (59.4°F) |
34.5 ° C (94.2°F) |
24.4 ° C (75.9°F) |
% 61 | 36% | 7.1 | Sunrise:06:25 AM Sunset: 08:36 PM |
Moonrise:04:22 AM Moonset: 08:04 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
16.7 ° C (62.1°F) |
32.1 ° C (89.7°F) |
22.6 ° C (72.6°F) |
% 64 | 59% | 8 | Sunrise:06:26 AM Sunset: 08:34 PM |
Moonrise:05:48 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.1 ° C (57.3°F) |
28.5 ° C (83.2°F) |
21.3 ° C (70.3°F) |
% 49 | 17% | 7 | Sunrise:06:27 AM Sunset: 08:33 PM |
Moonrise:07:13 AM Moonset: 09:01 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
11.2 ° C (52.1°F) |
28.6 ° C (83.4°F) |
20.3 ° C (68.6°F) |
% 44 | 1% | 7 | Sunrise:06:28 AM Sunset: 08:31 PM |
Moonrise:08:34 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
14.2 ° C (57.6°F) |
23.2 ° C (73.8°F) |
18.3 ° C (65°F) |
% 56 | 4% | 6 | Sunrise:06:29 AM Sunset: 08:30 PM |
Moonrise:09:53 AM Moonset: 09:44 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
12.2 ° C (54°F) |
26.6 ° C (79.9°F) |
18.9 ° C (66.1°F) |
% 52 | 2% | 7 | Sunrise:06:31 AM Sunset: 08:28 PM |
Moonrise:11:10 AM Moonset: 10:06 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
14.1 ° C (57.5°F) |
32.1 ° C (89.7°F) |
22.3 ° C (72.1°F) |
% 58 | 5% | 8 | Sunrise:06:32 AM Sunset: 08:27 PM |
Moonrise:12:25 PM Moonset: 10:31 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
13.8 ° C (56.8°F) |
31.8 ° C (89.3°F) |
20 ° C (68.1°F) |
% 66 | 6% | 8 | Sunrise:06:33 AM Sunset: 08:25 PM |
Moonrise:01:39 PM Moonset: 10:59 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
11.6 ° C (52.9°F) |
25.5 ° C (77.8°F) |
18.3 ° C (65°F) |
% 60 | 3% | 7 | Sunrise:06:34 AM Sunset: 08:23 PM |
Moonrise:02:50 PM Moonset: 11:32 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
14.1 ° C (57.4°F) |
32.1 ° C (89.8°F) |
23.1 ° C (73.5°F) |
% 47 | 2% | 8 | Sunrise:06:35 AM Sunset: 08:22 PM |
Moonrise:03:56 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
16.7 ° C (62°F) |
38.8 ° C (101.8°F) |
27.1 ° C (80.7°F) |
% 44 | 1% | 9 | Sunrise:06:36 AM Sunset: 08:20 PM |
Moonrise:04:55 PM Moonset: 12:14 AM Moon Phase ( First Quarter ) |
|