Current weather conditions and 15 day weather forecast for Flandreau, 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 19.9 ° C / 67.8°F ![]() Heavy rain at times |
Feels Like : 20.5 ° C / 68.9°F Humidity : % 94 Pressure : 1010 mb Wind Speed : 13.3 kmph / 8.3 miles from ENE ![]() Visibility : 10 km Precipitation (rainfall) : 30.4 mm Cloud (%) : 71 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Sunny |
18.9 ° C (66°F) |
30.4 ° C (86.7°F) |
23.6 ° C (74.5°F) |
% 80 | 74% | 6.1 | Sunrise:06:25 AM Sunset: 08:37 PM |
Moonrise:04:22 AM Moonset: 08:06 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
16 ° C (60.8°F) |
29 ° C (84.2°F) |
23.1 ° C (73.7°F) |
% 75 | 71% | 7.1 | Sunrise:06:26 AM Sunset: 08:35 PM |
Moonrise:05:48 AM Moonset: 08:36 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
17.7 ° C (63.8°F) |
24.2 ° C (75.5°F) |
20.8 ° C (69.4°F) |
% 82 | 58% | 6 | Sunrise:06:28 AM Sunset: 08:34 PM |
Moonrise:07:13 AM Moonset: 09:02 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
15.1 ° C (59.3°F) |
26.5 ° C (79.6°F) |
20.1 ° C (68.2°F) |
% 74 | 65% | 5.8 | Sunrise:06:29 AM Sunset: 08:32 PM |
Moonrise:08:35 AM Moonset: 09:24 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Patchy rain nearby |
19.7 ° C (67.5°F) |
26.8 ° C (80.3°F) |
22.6 ° C (72.6°F) |
% 83 | 78% | 7 | Sunrise:06:30 AM Sunset: 08:31 PM |
Moonrise:09:54 AM Moonset: 09:45 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
13.6 ° C (56.4°F) |
24.1 ° C (75.3°F) |
18.9 ° C (66°F) |
% 63 | 4% | 6 | Sunrise:06:31 AM Sunset: 08:29 PM |
Moonrise:11:11 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
13.1 ° C (55.6°F) |
26.9 ° C (80.5°F) |
20 ° C (68°F) |
% 63 | 5% | 7 | Sunrise:06:32 AM Sunset: 08:28 PM |
Moonrise:12:26 PM Moonset: 10:31 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Light rain shower |
17.1 ° C (62.7°F) |
26.1 ° C (78.9°F) |
20.8 ° C (69.4°F) |
% 87 | 82% | 7 | Sunrise:06:33 AM Sunset: 08:26 PM |
Moonrise:01:40 PM Moonset: 10:59 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.7 ° C (67.4°F) |
34.3 ° C (93.8°F) |
26.3 ° C (79.4°F) |
% 68 | 5% | 8 | Sunrise:06:34 AM Sunset: 08:25 PM |
Moonrise:02:51 PM Moonset: 11:32 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
15 ° C (59°F) |
27.1 ° C (80.8°F) |
21.8 ° C (71.2°F) |
% 61 | 4% | 7 | Sunrise:06:36 AM Sunset: 08:23 PM |
Moonrise:03:58 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
7.7 ° C (45.8°F) |
23.8 ° C (74.8°F) |
15.9 ° C (60.6°F) |
% 63 | 4% | 6 | Sunrise:06:37 AM Sunset: 08:21 PM |
Moonrise:04:57 PM Moonset: 12:14 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
14.2 ° C (57.6°F) |
29.6 ° C (85.3°F) |
22 ° C (71.6°F) |
% 54 | 36% | 7 | Sunrise:06:38 AM Sunset: 08:20 PM |
Moonrise:05:47 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
17.2 ° C (63°F) |
34.9 ° C (94.9°F) |
26.2 ° C (79.2°F) |
% 49 | 2% | 8 | Sunrise:06:39 AM Sunset: 08:18 PM |
Moonrise:06:27 PM Moonset: 02:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
23.3 ° C (73.9°F) |
41.1 ° C (105.9°F) |
29.9 ° C (85.8°F) |
% 41 | 57% | 10 | Sunrise:06:40 AM Sunset: 08:16 PM |
Moonrise:06:59 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous ) |
|