Current weather conditions and 15 day weather forecast for Harmon, 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 0.1 ° C / 32.2°F ![]() Clear |
Feels Like : -4.4 ° C / 24.1°F Humidity : % 86 Pressure : 1016 mb Wind Speed : 15.5 kmph / 9.6 miles from SSE ![]() 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 |
-7.9 ° C (17.8°F) |
3.6 ° C (38.5°F) |
-2.8 ° C (26.9°F) |
% 76 | 0% | 0.4 | Sunrise:07:39 AM Sunset: 05:43 PM |
Moonrise:12:36 AM Moonset: 10:12 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Overcast |
-2.9 ° C (26.8°F) |
2 ° C (35.6°F) |
-0.7 ° C (30.7°F) |
% 93 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 05:44 PM |
Moonrise:01:45 AM Moonset: 10:36 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Overcast |
-1.7 ° C (28.9°F) |
3.1 ° C (37.6°F) |
0.3 ° C (32.6°F) |
% 86 | 0% | 0.4 | Sunrise:07:36 AM Sunset: 05:46 PM |
Moonrise:02:51 AM Moonset: 11:08 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Mist |
-6.3 ° C (20.7°F) |
1.2 ° C (34.2°F) |
-3.3 ° C (26.1°F) |
% 88 | 0% | 0.4 | Sunrise:07:34 AM Sunset: 05:47 PM |
Moonrise:03:55 AM Moonset: 11:47 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Moderate or heavy snow showers |
-2.2 ° C (28.1°F) |
1.6 ° C (34.9°F) |
-0.1 ° C (31.9°F) |
% 92 | 81% | 0.2 | Sunrise:07:33 AM Sunset: 05:49 PM |
Moonrise:04:51 AM Moonset: 12:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Overcast |
-2.6 ° C (27.2°F) |
2.1 ° C (35.7°F) |
-0.9 ° C (30.3°F) |
% 90 | 0% | 0 | Sunrise:07:31 AM Sunset: 05:50 PM |
Moonrise:05:40 AM Moonset: 01:37 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Partly Cloudy |
-1.2 ° C (29.9°F) |
7.8 ° C (46.1°F) |
2.5 ° C (36.4°F) |
% 83 | 0% | 2 | Sunrise:07:30 AM Sunset: 05:52 PM |
Moonrise:06:19 AM Moonset: 02:43 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
-2.5 ° C (27.5°F) |
5.8 ° C (42.4°F) |
1 ° C (33.9°F) |
% 78 | 0% | 2 | Sunrise:07:28 AM Sunset: 05:53 PM |
Moonrise:06:51 AM Moonset: 03:56 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
2.2 ° C (35.9°F) |
14.1 ° C (57.4°F) |
7.8 ° C (46.1°F) |
% 75 | 0% | 3 | Sunrise:07:27 AM Sunset: 05:55 PM |
Moonrise:07:16 AM Moonset: 05:09 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
0.5 ° C (33°F) |
8.9 ° C (48°F) |
6.6 ° C (43.9°F) |
% 49 | 0% | 3 | Sunrise:07:25 AM Sunset: 05:56 PM |
Moonrise:07:37 AM Moonset: 06:23 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Partly Cloudy |
-2.7 ° C (27.1°F) |
5.1 ° C (41.1°F) |
-0.1 ° C (31.8°F) |
% 65 | 0% | 2 | Sunrise:07:23 AM Sunset: 05:57 PM |
Moonrise:07:56 AM Moonset: 07:37 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Cloudy |
-8.5 ° C (16.7°F) |
-3.1 ° C (26.5°F) |
-5 ° C (22.9°F) |
% 69 | 0% | 1 | Sunrise:07:22 AM Sunset: 05:59 PM |
Moonrise:08:13 AM Moonset: 08:52 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Cloudy |
-12.8 ° C (8.9°F) |
-8.2 ° C (17.2°F) |
-10.7 ° C (12.8°F) |
% 55 | 0% | 1 | Sunrise:07:20 AM Sunset: 06:00 PM |
Moonrise:08:32 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Overcast |
-11.1 ° C (12°F) |
-5.7 ° C (21.8°F) |
-8.4 ° C (16.9°F) |
% 49 | 0% | 1 | Sunrise:07:18 AM Sunset: 06:02 PM |
Moonrise:08:52 AM Moonset: 11:28 PM Moon Phase ( Waxing Crescent ) |
|