Erwin Weather Forecast 15 Days, Weather in Erwin Today
Current weather conditions and 15 day weather forecast for Erwin, 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.
Current weather conditions at Erwin
| 05 December 2025 Friday -1.7 ° C / 28.9°F  Overcast |
Feels Like : -4.6 ° C / 23.8°F Humidity : % 89 Pressure : 1005 mb Wind Speed : 7.6 kmph / 4.7 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Erwin, SD, USA
Weather Forecast for next 15 Days for Erwin including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Erwin, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Light freezing rain |
-14.4 ° C (6°F) |
0.2 ° C (32.4°F) |
-2.9 ° C (26.7°F) |
% 90 | 89% | 0.3 | Sunrise:07:51 AM Sunset: 04:51 PM |
Moonrise:05:16 PM Moonset: 09:06 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Overcast |
-9.1 ° C (15.6°F) |
-5.9 ° C (21.4°F) |
-7.6 ° C (18.4°F) |
% 89 | 0% | 0.2 | Sunrise:07:52 AM Sunset: 04:51 PM |
Moonrise:06:30 PM Moonset: 10:10 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Cloudy |
-17.7 ° C (0.1°F) |
-10.5 ° C (13.2°F) |
-12.8 ° C (8.9°F) |
% 79 | 0% | 0.3 | Sunrise:07:53 AM Sunset: 04:50 PM |
Moonrise:07:50 PM Moonset: 10:58 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Overcast |
-15 ° C (5°F) |
-6.7 ° C (19.9°F) |
-10.8 ° C (12.6°F) |
% 94 | 0% | 0.3 | Sunrise:07:54 AM Sunset: 04:50 PM |
Moonrise:09:10 PM Moonset: 11:34 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Freezing fog |
-7.9 ° C (17.7°F) |
0.5 ° C (32.9°F) |
-2.9 ° C (26.7°F) |
% 96 | 61% | 0 | Sunrise:07:55 AM Sunset: 04:50 PM |
Moonrise:10:25 PM Moonset: 12:00 PM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Light freezing rain |
-13.4 ° C (7.9°F) |
-6.4 ° C (20.5°F) |
-7.3 ° C (18.8°F) |
% 94 | 76% | 1 | Sunrise:07:56 AM Sunset: 04:50 PM |
Moonrise:11:36 PM Moonset: 12:22 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Mist |
-16.3 ° C (2.7°F) |
-10.4 ° C (13.3°F) |
-13.7 ° C (7.3°F) |
% 94 | 0% | 1 | Sunrise:07:57 AM Sunset: 04:50 PM |
Moonrise:No moonrise Moonset: 12:40 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Mist |
-14.8 ° C (5.4°F) |
-11.4 ° C (11.5°F) |
-11.8 ° C (10.8°F) |
% 93 | 80% | 1 | Sunrise:07:58 AM Sunset: 04:51 PM |
Moonrise:12:43 AM Moonset: 12:57 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Heavy snow |
-11.5 ° C (11.4°F) |
-8.7 ° C (16.4°F) |
-10 ° C (14.1°F) |
% 93 | 71% | 1 | Sunrise:07:58 AM Sunset: 04:51 PM |
Moonrise:01:48 AM Moonset: 01:14 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Light freezing rain |
-6.4 ° C (20.5°F) |
-2.2 ° C (28°F) |
-3.4 ° C (25.9°F) |
% 95 | 65% | 1 | Sunrise:07:59 AM Sunset: 04:51 PM |
Moonrise:02:52 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Light freezing rain |
-15 ° C (5.1°F) |
0.3 ° C (32.6°F) |
-6.3 ° C (20.7°F) |
% 96 | 80% | 1 | Sunrise:08:00 AM Sunset: 04:51 PM |
Moonrise:03:57 AM Moonset: 01:53 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Partly Cloudy |
-13.8 ° C (7.2°F) |
-8.9 ° C (16°F) |
-11.2 ° C (11.8°F) |
% 88 | 0% | 2 | Sunrise:08:01 AM Sunset: 04:51 PM |
Moonrise:05:03 AM Moonset: 02:17 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light snow |
-15.9 ° C (3.3°F) |
-9.3 ° C (15.2°F) |
-11.3 ° C (11.7°F) |
% 93 | 84% | 1 | Sunrise:08:01 AM Sunset: 04:52 PM |
Moonrise:06:08 AM Moonset: 02:47 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Overcast |
-20.7 ° C (-5.2°F) |
-15 ° C (4.9°F) |
-17.7 ° C (0.1°F) |
% 97 | 0% | 1 | Sunrise:08:02 AM Sunset: 04:52 PM |
Moonrise:07:12 AM Moonset: 03:25 PM Moon Phase ( Waning Crescent ) |
|
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