Current weather conditions and 15 day weather forecast for Brant Lake, 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.
| 25 September 2026 Friday 11.8 ° C / 53.3°F ![]() Patchy rain nearby |
Feels Like : 9.9 ° C / 49.8°F Humidity : % 98 Pressure : 1021 mb Wind Speed : 14 kmph / 8.7 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 September 2026 Friday | Patchy rain nearby |
11.7 ° C (53.1°F) |
13.4 ° C (56.2°F) |
12.3 ° C (54.2°F) |
% 97 | 82% | 1.8 | Sunrise:07:18 AM Sunset: 07:20 PM |
Moonrise:06:48 PM Moonset: 06:18 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
12.2 ° C (54°F) |
15.3 ° C (59.5°F) |
13.2 ° C (55.8°F) |
% 97 | 88% | 1.4 | Sunrise:07:19 AM Sunset: 07:18 PM |
Moonrise:07:06 PM Moonset: 07:22 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
12.7 ° C (54.9°F) |
20.1 ° C (68.2°F) |
15.5 ° C (60°F) |
% 87 | 31% | 4.8 | Sunrise:07:21 AM Sunset: 07:16 PM |
Moonrise:07:25 PM Moonset: 08:29 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
12.4 ° C (54.4°F) |
20.6 ° C (69°F) |
16.2 ° C (61.1°F) |
% 85 | 87% | 4.8 | Sunrise:07:22 AM Sunset: 07:15 PM |
Moonrise:07:48 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
11.8 ° C (53.2°F) |
16.7 ° C (62°F) |
13.7 ° C (56.7°F) |
% 86 | 85% | 4 | Sunrise:07:23 AM Sunset: 07:13 PM |
Moonrise:08:15 PM Moonset: 10:49 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
9.8 ° C (49.7°F) |
17.3 ° C (63.1°F) |
13.2 ° C (55.8°F) |
% 61 | 4% | 5 | Sunrise:07:24 AM Sunset: 07:11 PM |
Moonrise:08:51 PM Moonset: 12:01 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
10.9 ° C (51.7°F) |
15.8 ° C (60.5°F) |
13.9 ° C (56.9°F) |
% 50 | 3% | 5 | Sunrise:07:25 AM Sunset: 07:09 PM |
Moonrise:09:36 PM Moonset: 01:13 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Overcast |
11.4 ° C (52.5°F) |
19.3 ° C (66.7°F) |
14.7 ° C (58.5°F) |
% 57 | 10% | 4 | Sunrise:07:26 AM Sunset: 07:07 PM |
Moonrise:10:34 PM Moonset: 02:18 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
16.3 ° C (61.4°F) |
21.8 ° C (71.2°F) |
19 ° C (66.2°F) |
% 51 | 9% | 5 | Sunrise:07:28 AM Sunset: 07:05 PM |
Moonrise:11:44 PM Moonset: 03:14 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
5.3 ° C (41.5°F) |
16.3 ° C (61.4°F) |
8.5 ° C (47.3°F) |
% 49 | 13% | 2 | Sunrise:07:29 AM Sunset: 07:04 PM |
Moonrise:Does not rise today Moonset: 03:59 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
1.8 ° C (35.3°F) |
7.8 ° C (46°F) |
4.7 ° C (40.4°F) |
% 54 | 4% | 3 | Sunrise:07:30 AM Sunset: 07:02 PM |
Moonrise:01:01 AM Moonset: 04:34 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
3.5 ° C (38.3°F) |
15 ° C (59.1°F) |
9 ° C (48.2°F) |
% 50 | 4% | 5 | Sunrise:07:31 AM Sunset: 07:00 PM |
Moonrise:02:22 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Partly Cloudy |
10.7 ° C (51.2°F) |
15.9 ° C (60.7°F) |
12.8 ° C (55.1°F) |
% 51 | 5% | 5 | Sunrise:07:32 AM Sunset: 06:58 PM |
Moonrise:03:42 AM Moonset: 05:27 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Sunny |
4.2 ° C (39.5°F) |
10 ° C (50°F) |
6.9 ° C (44.5°F) |
% 60 | 4% | 3 | Sunrise:07:34 AM Sunset: 06:56 PM |
Moonrise:05:01 AM Moonset: 05:49 PM Moon Phase ( Waning Crescent ) |
|