Current weather conditions and 15 day weather forecast for William Hamilton, 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.
| 09 February 2026 Monday 3.3 ° C / 37.9°F ![]() Clear |
Feels Like : -0.2 ° C / 31.7°F Humidity : % 62 Pressure : 1013 mb Wind Speed : 14 kmph / 8.7 miles from SSW ![]() Visibility : 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 February 2026 Sunday | Sunny |
-3.2 ° C (26.2°F) |
14.7 ° C (58.5°F) |
4.3 ° C (39.7°F) |
% 71 | 0% | 0.4 | Sunrise:07:48 AM Sunset: 05:57 PM |
Moonrise:12:45 AM Moonset: 10:27 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Partly Cloudy |
1.6 ° C (34.9°F) |
8.5 ° C (47.3°F) |
5 ° C (41.1°F) |
% 68 | 0% | 0.4 | Sunrise:07:46 AM Sunset: 05:58 PM |
Moonrise:01:52 AM Moonset: 10:53 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Sunny |
-1.8 ° C (28.8°F) |
9.7 ° C (49.5°F) |
3.1 ° C (37.5°F) |
% 72 | 0% | 0.4 | Sunrise:07:45 AM Sunset: 06:00 PM |
Moonrise:02:58 AM Moonset: 11:25 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Partly Cloudy |
1 ° C (33.8°F) |
11.3 ° C (52.3°F) |
4.8 ° C (40.7°F) |
% 54 | 0% | 0.3 | Sunrise:07:44 AM Sunset: 06:01 PM |
Moonrise:04:01 AM Moonset: 12:05 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
2 ° C (35.5°F) |
8.6 ° C (47.6°F) |
4.9 ° C (40.9°F) |
% 59 | 0% | 0.4 | Sunrise:07:42 AM Sunset: 06:03 PM |
Moonrise:04:57 AM Moonset: 12:55 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
-0.9 ° C (30.4°F) |
9.1 ° C (48.4°F) |
2.1 ° C (35.7°F) |
% 78 | 0% | 0 | Sunrise:07:41 AM Sunset: 06:04 PM |
Moonrise:05:46 AM Moonset: 01:55 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
1.6 ° C (34.9°F) |
10.6 ° C (51.1°F) |
5.3 ° C (41.5°F) |
% 71 | 0% | 3 | Sunrise:07:39 AM Sunset: 06:05 PM |
Moonrise:06:26 AM Moonset: 03:01 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Partly Cloudy |
3 ° C (37.4°F) |
16.1 ° C (61°F) |
8.9 ° C (48.1°F) |
% 56 | 0% | 3 | Sunrise:07:38 AM Sunset: 06:07 PM |
Moonrise:06:58 AM Moonset: 04:12 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
6.4 ° C (43.5°F) |
15.4 ° C (59.7°F) |
10.1 ° C (50.2°F) |
% 46 | 0% | 4 | Sunrise:07:36 AM Sunset: 06:08 PM |
Moonrise:07:25 AM Moonset: 05:25 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
0.1 ° C (32.2°F) |
7.1 ° C (44.8°F) |
3.3 ° C (37.9°F) |
% 46 | 0% | 2 | Sunrise:07:35 AM Sunset: 06:09 PM |
Moonrise:07:47 AM Moonset: 06:37 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
2.1 ° C (35.8°F) |
8.8 ° C (47.8°F) |
4.4 ° C (39.9°F) |
% 51 | 0% | 2 | Sunrise:07:33 AM Sunset: 06:11 PM |
Moonrise:08:07 AM Moonset: 07:50 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Blizzard |
-5.4 ° C (22.2°F) |
0.2 ° C (32.3°F) |
-2 ° C (28.4°F) |
% 90 | 84% | 1 | Sunrise:07:32 AM Sunset: 06:12 PM |
Moonrise:08:25 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Moderate or heavy snow showers |
-11.6 ° C (11.1°F) |
-9.2 ° C (15.5°F) |
-10.1 ° C (13.8°F) |
% 85 | 63% | 1 | Sunrise:07:30 AM Sunset: 06:14 PM |
Moonrise:08:45 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Freezing fog |
-20.8 ° C (-5.4°F) |
-12.2 ° C (10°F) |
-16.2 ° C (2.8°F) |
% 94 | 0% | 1 | Sunrise:07:29 AM Sunset: 06:15 PM |
Moonrise:09:06 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|