Fountain Weather Forecast 15 Days, Weather in Fountain Today
Current weather conditions and 15 day weather forecast for Fountain, 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 Fountain
| 22 December 2025 Monday 1.1 ° C / 34°F  Overcast |
Feels Like : -1.3 ° C / 29.6°F Humidity : % 72 Pressure : 1013 mb Wind Speed : 7.6 kmph / 4.7 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Fountain, SD, USA
Weather Forecast for next 15 Days for Fountain 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 Fountain, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Mist |
-6 ° C (21.2°F) |
-1.8 ° C (28.8°F) |
-3.3 ° C (26°F) |
% 93 | 0% | 0.3 | Sunrise:08:13 AM Sunset: 04:56 PM |
Moonrise:10:28 AM Moonset: 07:24 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Freezing fog |
-4.6 ° C (23.7°F) |
-3.1 ° C (26.4°F) |
-3.4 ° C (25.9°F) |
% 97 | 0% | 0.2 | Sunrise:08:14 AM Sunset: 04:57 PM |
Moonrise:10:55 AM Moonset: 08:34 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Freezing fog |
-3.1 ° C (26.5°F) |
-1.3 ° C (29.7°F) |
-2.3 ° C (27.8°F) |
% 97 | 0% | 0.2 | Sunrise:08:14 AM Sunset: 04:57 PM |
Moonrise:11:17 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Freezing fog |
-8.4 ° C (16.8°F) |
3.1 ° C (37.5°F) |
-3 ° C (26.6°F) |
% 87 | 0% | 0.2 | Sunrise:08:15 AM Sunset: 04:58 PM |
Moonrise:11:36 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Partly Cloudy |
-10.8 ° C (12.5°F) |
-0.7 ° C (30.7°F) |
-7.8 ° C (18°F) |
% 76 | 0% | 0 | Sunrise:08:15 AM Sunset: 04:59 PM |
Moonrise:11:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-7.9 ° C (17.8°F) |
-0.6 ° C (30.8°F) |
-3.2 ° C (26.3°F) |
% 77 | 0% | 2 | Sunrise:08:15 AM Sunset: 05:00 PM |
Moonrise:12:11 PM Moonset: 12:09 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-10.1 ° C (13.9°F) |
-3.2 ° C (26.2°F) |
-7.2 ° C (19°F) |
% 58 | 0% | 2 | Sunrise:08:15 AM Sunset: 05:00 PM |
Moonrise:12:31 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4.3 ° C (24.2°F) |
5.3 ° C (41.5°F) |
-0.3 ° C (31.4°F) |
% 62 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:01 PM |
Moonrise:12:54 PM Moonset: 02:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-1.4 ° C (29.5°F) |
2.3 ° C (36.2°F) |
1 ° C (33.9°F) |
% 72 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:02 PM |
Moonrise:01:23 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.7 ° C (28.9°F) |
8.8 ° C (47.8°F) |
2.6 ° C (36.7°F) |
% 72 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:03 PM |
Moonrise:02:02 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Light freezing rain |
-5.8 ° C (21.6°F) |
1.8 ° C (35.3°F) |
-0.6 ° C (30.9°F) |
% 70 | 0% | 1 | Sunrise:08:16 AM Sunset: 05:04 PM |
Moonrise:02:54 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
-7.2 ° C (19°F) |
-2 ° C (28.4°F) |
-5 ° C (22.9°F) |
% 67 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:05 PM |
Moonrise:04:02 PM Moonset: 08:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-5.9 ° C (21.4°F) |
-1.7 ° C (28.9°F) |
-3.7 ° C (25.4°F) |
% 65 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:06 PM |
Moonrise:05:21 PM Moonset: 08:56 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-6.7 ° C (19.9°F) |
2 ° C (35.7°F) |
-3.6 ° C (25.5°F) |
% 78 | 0% | 2 | Sunrise:08:16 AM Sunset: 05:07 PM |
Moonrise:06:44 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
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