Alto Weather Forecast 15 Days, Weather in Alto Today

Current weather conditions and 15 day weather forecast for Alto, 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 Alto

23 December 2025 Tuesday
1.1 ° C / 34°F
Clear
Clear
Feels Like : -3.5 ° C / 25.8°F
Humidity : % 82
Pressure : 1016 mb
Wind Speed : 17.3 kmph / 10.7 miles from WW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Alto, SD, USA

Weather Forecast for next 15 Days for Alto 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 Alto, 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 -7.8 ° C
(18°F)
-4.5 ° C
(23.9°F)
-5 ° C
(23.1°F)
% 87 0% 0.2 Sunrise:08:06 AM
Sunset: 04:49 PM
Moonrise:10:47 AM
Moonset: 08:26 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Overcast  Overcast -7.4 ° C
(18.7°F)
-1.8 ° C
(28.8°F)
-4.6 ° C
(23.7°F)
% 93 0% 0.2 Sunrise:08:07 AM
Sunset: 04:49 PM
Moonrise:11:09 AM
Moonset: 09:37 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Overcast  Overcast -7.2 ° C
(19°F)
-3.2 ° C
(26.3°F)
-4.9 ° C
(23.2°F)
% 92 0% 0.2 Sunrise:08:07 AM
Sunset: 04:50 PM
Moonrise:11:28 AM
Moonset: 10:48 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Light freezing rain Light freezing rain -5.2 ° C
(22.7°F)
-0.1 ° C
(31.9°F)
-1.5 ° C
(29.3°F)
% 92 81% 0.2 Sunrise:08:07 AM
Sunset: 04:51 PM
Moonrise:11:46 AM
Moonset: No moonset
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Partly Cloudy  Partly Cloudy -8.2 ° C
(17.2°F)
2.4 ° C
(36.3°F)
0.4 ° C
(32.7°F)
% 80 0% 0 Sunrise:08:08 AM
Sunset: 04:51 PM
Moonrise:12:03 PM
Moonset: 12:01 AM
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny -12.1 ° C
(10.3°F)
-9.8 ° C
(14.3°F)
-10.6 ° C
(13°F)
% 63 0% 2 Sunrise:08:08 AM
Sunset: 04:52 PM
Moonrise:12:23 PM
Moonset: 01:15 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Sunny Sunny -13.7 ° C
(7.4°F)
-7 ° C
(19.4°F)
-10.8 ° C
(12.5°F)
% 55 0% 2 Sunrise:08:08 AM
Sunset: 04:53 PM
Moonrise:12:46 PM
Moonset: 02:33 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Sunny Sunny -6.5 ° C
(20.4°F)
0.4 ° C
(32.6°F)
-3.1 ° C
(26.5°F)
% 71 0% 2 Sunrise:08:08 AM
Sunset: 04:54 PM
Moonrise:01:15 PM
Moonset: 03:56 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Sunny Sunny -1.1 ° C
(30°F)
3.6 ° C
(38.5°F)
1.7 ° C
(35.1°F)
% 69 0% 2 Sunrise:08:08 AM
Sunset: 04:55 PM
Moonrise:01:53 PM
Moonset: 05:20 AM
Moon Phase
( Waxing Gibbous )
01 January 2026 Thursday Sunny Sunny 0.9 ° C
(33.6°F)
7.5 ° C
(45.5°F)
4.6 ° C
(40.3°F)
% 66 0% 2 Sunrise:08:08 AM
Sunset: 04:56 PM
Moonrise:02:45 PM
Moonset: 06:42 AM
Moon Phase
( Waxing Gibbous )
02 January 2026 Friday Blowing snow Blowing snow -15.1 ° C
(4.9°F)
-8.3 ° C
(17°F)
-10 ° C
(14°F)
% 85 68% 1 Sunrise:08:08 AM
Sunset: 04:57 PM
Moonrise:03:53 PM
Moonset: 07:53 AM
Moon Phase
( Waxing Gibbous )
03 January 2026 Saturday Sunny Sunny -16.7 ° C
(2°F)
-13.4 ° C
(7.9°F)
-15.1 ° C
(4.9°F)
% 79 0% 2 Sunrise:08:08 AM
Sunset: 04:58 PM
Moonrise:05:12 PM
Moonset: 08:48 AM
Moon Phase
( Full Moon )
04 January 2026 Sunday Sunny Sunny -13.5 ° C
(7.7°F)
-0.9 ° C
(30.4°F)
-6.9 ° C
(19.7°F)
% 69 0% 2 Sunrise:08:08 AM
Sunset: 04:59 PM
Moonrise:06:35 PM
Moonset: 09:29 AM
Moon Phase
( Waning Gibbous )
05 January 2026 Monday Sunny Sunny -3.9 ° C
(25°F)
3.4 ° C
(38.2°F)
-1 ° C
(30.1°F)
% 81 0% 2 Sunrise:08:08 AM
Sunset: 05:00 PM
Moonrise:07:56 PM
Moonset: 09:59 AM
Moon Phase
( Waning Gibbous )
Alto Weather forecasts are usually fully updated every 4 hours.
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