Altamont, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Altamont, SD in one place.
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. East northeast wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Altamont, 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: Aug 10, 2026 6:36 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Altamont, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 6:36 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Altamont
Tuesday looks like the warmest upcoming period in Altamont at 81 degrees F.
Thursday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 6 to 14 mph E.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 6:36 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 78. Northeast wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 59. Northeast wind around 7 mph. Chance of precipitation is 20%.
Mostly cloudy, with a high near 73. Northeast wind 7 to 12 mph.
Mostly cloudy, with a low around 56. East northeast wind 5 to 9 mph.
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Chance Showers And Thunderstorms
|
81°F |
5 to 8 mph
ENE
|
|
Tuesday Night
Aug 11
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
62°F |
5 mph
E
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms then Mostly Sunny
|
78°F |
5 to 8 mph
NE
|
|
Wednesday Night
Aug 12
|
Slight Chance Showers And Thunderstorms
|
59°F |
7 mph
NE
|
|
Thursday
Aug 13
|
Mostly Cloudy
|
73°F |
7 to 12 mph
NE
|
|
Thursday Night
Aug 13
|
Mostly Cloudy
|
56°F |
5 to 9 mph
ENE
|
|
Friday
Aug 14
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
71°F |
6 to 14 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
57°F |
8 to 13 mph
SSE
|
|
Saturday
Aug 15
|
Chance Rain Showers
|
70°F |
8 to 12 mph
WNW
|
|
Saturday Night
Aug 15
|
Chance Rain Showers
|
56°F |
8 mph
NNW
|
|
Sunday
Aug 16
|
Chance Rain Showers
|
71°F |
8 mph
NNW
|
Nearby Forecasts
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