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

23 December 2025 Tuesday
-4.4 ° C / 24.1°F
Clear
Clear
Feels Like : -9.1 ° C / 15.6°F
Humidity : % 81
Pressure : 1020 mb
Wind Speed : 11.9 kmph / 7.4 miles from NWNW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

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
23 December 2025 Tuesday Overcast  Overcast -4.3 ° C
(24.3°F)
-1.5 ° C
(29.3°F)
-2.2 ° C
(28°F)
% 89 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 Mist Mist -3.9 ° C
(25°F)
-0.9 ° C
(30.4°F)
-2.5 ° C
(27.6°F)
% 94 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 Overcast  Overcast -6.1 ° C
(21°F)
-2.9 ° C
(26.8°F)
-3.3 ° C
(26°F)
% 92 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  Partly Cloudy -5.9 ° C
(21.5°F)
2.1 ° C
(35.7°F)
-2.1 ° C
(28.2°F)
% 86 0% 0.2 Sunrise:08:15 AM
Sunset: 04:59 PM
Moonrise:11:54 AM
Moonset: No moonset
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny -8.6 ° C
(16.5°F)
3.3 ° C
(37.9°F)
-0.8 ° C
(30.6°F)
% 77 0% 0 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 Sunny -10.8 ° C
(12.6°F)
-0.8 ° C
(30.5°F)
-6.9 ° C
(19.5°F)
% 67 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 Sunny -7.2 ° C
(19.1°F)
-0.1 ° C
(31.9°F)
-4.8 ° C
(23.4°F)
% 77 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 Overcast  Overcast -4.7 ° C
(23.5°F)
5.2 ° C
(41.3°F)
-0.6 ° C
(31°F)
% 82 0% 1 Sunrise:08:16 AM
Sunset: 05:02 PM
Moonrise:01:23 PM
Moonset: 04:04 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Partly Cloudy  Partly Cloudy -1 ° C
(30.2°F)
4.2 ° C
(39.6°F)
1 ° C
(33.7°F)
% 89 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 Fog Fog 1.1 ° C
(33.9°F)
6.1 ° C
(43.1°F)
2.4 ° C
(36.4°F)
% 94 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 Cloudy  Cloudy -2.4 ° C
(27.6°F)
2.5 ° C
(36.5°F)
0.1 ° C
(32.2°F)
% 84 0% 1 Sunrise:08:16 AM
Sunset: 05:05 PM
Moonrise:04:02 PM
Moonset: 08:01 AM
Moon Phase
( Waxing Gibbous )
03 January 2026 Saturday Overcast  Overcast -8.4 ° C
(16.9°F)
0.4 ° C
(32.8°F)
-2.9 ° C
(26.7°F)
% 80 0% 1 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  Partly Cloudy -10.9 ° C
(12.5°F)
-6.6 ° C
(20.2°F)
-9.2 ° C
(15.5°F)
% 72 0% 2 Sunrise:08:16 AM
Sunset: 05:07 PM
Moonrise:06:44 PM
Moonset: 09:37 AM
Moon Phase
( Waning Gibbous )
05 January 2026 Monday Cloudy  Cloudy -11.7 ° C
(10.9°F)
-9.1 ° C
(15.6°F)
-10.4 ° C
(13.2°F)
% 75 0% 1 Sunrise:08:16 AM
Sunset: 05:08 PM
Moonrise:08:05 PM
Moonset: 10:07 AM
Moon Phase
( Waning Gibbous )
Fountain Weather forecasts are usually fully updated every 4 hours.
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