Current weather conditions and 15 day weather forecast for Sisseton, 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.
| 15 May 2026 Friday 10.1 ° C / 50.2°F ![]() Partly cloudy |
Feels Like : 8.1 ° C / 46.5°F Humidity : % 71 Pressure : 1003 mb Wind Speed : 14.8 kmph / 9.2 miles from SW ![]() Visibility : 11 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Sunny |
10.4 ° C (50.7°F) |
26.8 ° C (80.2°F) |
19.1 ° C (66.3°F) |
% 38 | 0% | 7.6 | Sunrise:06:00 AM Sunset: 08:57 PM |
Moonrise:04:49 AM Moonset: 08:06 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
11.2 ° C (52.1°F) |
23.2 ° C (73.7°F) |
17.9 ° C (64.1°F) |
% 39 | 0% | 7 | Sunrise:05:59 AM Sunset: 08:58 PM |
Moonrise:05:20 AM Moonset: 09:33 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
10.8 ° C (51.5°F) |
20.5 ° C (69°F) |
14.7 ° C (58.5°F) |
% 74 | 83% | 6.3 | Sunrise:05:58 AM Sunset: 08:59 PM |
Moonrise:06:01 AM Moonset: 10:55 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
6.1 ° C (43°F) |
12.8 ° C (55°F) |
9.4 ° C (49°F) |
% 69 | 80% | 3 | Sunrise:05:57 AM Sunset: 09:00 PM |
Moonrise:06:57 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
3.2 ° C (37.8°F) |
19.4 ° C (66.9°F) |
8.1 ° C (46.6°F) |
% 69 | 88% | 0 | Sunrise:05:56 AM Sunset: 09:01 PM |
Moonrise:08:06 AM Moonset: 12:03 AM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
5.9 ° C (42.6°F) |
13 ° C (55.5°F) |
11.2 ° C (52.1°F) |
% 77 | 83% | 3 | Sunrise:05:55 AM Sunset: 09:02 PM |
Moonrise:09:26 AM Moonset: 12:56 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Overcast |
3.9 ° C (38.9°F) |
13.9 ° C (56.9°F) |
8.9 ° C (47.9°F) |
% 73 | 0% | 2 | Sunrise:05:54 AM Sunset: 09:03 PM |
Moonrise:10:47 AM Moonset: 01:35 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
7.8 ° C (46.1°F) |
14.3 ° C (57.7°F) |
10.5 ° C (50.9°F) |
% 69 | 87% | 3 | Sunrise:05:53 AM Sunset: 09:05 PM |
Moonrise:12:06 PM Moonset: 02:04 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
7.5 ° C (45.5°F) |
25.3 ° C (77.6°F) |
16.8 ° C (62.2°F) |
% 61 | 0% | 5 | Sunrise:05:52 AM Sunset: 09:06 PM |
Moonrise:01:22 PM Moonset: 02:26 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
16.9 ° C (62.4°F) |
21.5 ° C (70.8°F) |
18.6 ° C (65.5°F) |
% 73 | 88% | 4 | Sunrise:05:51 AM Sunset: 09:07 PM |
Moonrise:02:32 PM Moonset: 02:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
13.9 ° C (57°F) |
19.7 ° C (67.5°F) |
16.7 ° C (62°F) |
% 88 | 89% | 4 | Sunrise:05:51 AM Sunset: 09:08 PM |
Moonrise:03:41 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
13.4 ° C (56.1°F) |
21.5 ° C (70.7°F) |
17.2 ° C (63°F) |
% 81 | 0% | 4 | Sunrise:05:50 AM Sunset: 09:09 PM |
Moonrise:04:48 PM Moonset: 03:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Partly Cloudy |
14.4 ° C (57.9°F) |
24.6 ° C (76.3°F) |
19.1 ° C (66.3°F) |
% 69 | 0% | 5 | Sunrise:05:49 AM Sunset: 09:10 PM |
Moonrise:05:56 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Sunny |
9.7 ° C (49.4°F) |
21.4 ° C (70.6°F) |
15.8 ° C (60.4°F) |
% 53 | 0% | 5 | Sunrise:05:48 AM Sunset: 09:11 PM |
Moonrise:07:04 PM Moonset: 03:56 AM Moon Phase ( Waxing Gibbous ) |
|