Alto, SD Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alto, SD in one place.
A slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 99. Heat index values as high as 99. Southeast wind 10 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Alto, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 7:17 AM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Alto, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 7:17 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Alto
Tuesday looks like the warmest upcoming period in Alto at 99 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 28 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 7:17 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 62. South southwest wind 7 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 81. West northwest wind 14 to 24 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 54. West northwest wind 10 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunny, with a high near 79. West northwest wind 18 to 28 mph, with gusts as high as 36 mph.
Mostly clear, with a low around 52. West wind 6 to 23 mph, with gusts as high as 35 mph.
Sunny, with a high near 84.
Mostly clear, with a low around 53.
Mostly sunny, with a high near 76.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
99°F |
10 to 28 mph
SE
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
62°F |
7 to 20 mph
SSW
|
|
Wednesday
Jun 10
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
14 to 24 mph
WNW
|
|
Wednesday Night
Jun 10
|
Slight Chance Rain Showers then Partly Cloudy
|
54°F |
10 to 22 mph
WNW
|
|
Thursday
Jun 11
|
Sunny
|
79°F |
18 to 28 mph
WNW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
52°F |
6 to 23 mph
W
|
|
Friday
Jun 12
|
Sunny
|
84°F |
8 to 14 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
53°F |
7 to 15 mph
N
|
|
Saturday
Jun 13
|
Mostly Sunny
|
76°F |
9 to 17 mph
NNW
|
|
Saturday Night
Jun 13
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
50°F |
7 to 17 mph
N
|
|
Sunday
Jun 14
|
Slight Chance Showers And Thunderstorms
|
75°F |
8 to 14 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alto.