McIntosh, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McIntosh, a city in Corson County, South Dakota.
Overnight
46°F
Patchy Smoke
Patchy smoke. Partly cloudy, with a low around 46. West northwest wind around 9 mph.
7-day forecast for McIntosh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Patchy Smoke | 9 mph WNW | 0% |
| Tuesday | 75°F | Patchy Smoke then Sunny | 9 to 15 mph WNW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 to 12 mph W | 0% |
| Wednesday | 83°F | Sunny | 5 to 12 mph WSW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 5 to 9 mph S | 0% |
| Thursday | 90°F | Sunny | 7 to 12 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 to 10 mph ENE | 0% |
| Friday | 90°F | Sunny | 9 to 14 mph NNE | 0% |
| Friday Night | 60°F | Mostly Clear | 12 mph ESE | 0% |
| Saturday | 93°F | Sunny | 12 to 16 mph NE | 2% |
| Saturday Night | 59°F | Mostly Clear | 10 to 15 mph ENE | 2% |
| Sunday | 89°F | Mostly Sunny | 10 to 18 mph E | 12% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 16 mph E | 29% |
| Monday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 15 to 20 mph ENE | 16% |
Forecast source: National Weather Service (api.weather.gov) for McIntosh (45.921, -101.349). Updated through the day.
Growing snapshot for McIntosh
Last spring frost
May 9
First fall frost
Sep 30
Growing season
143 days
Hardiness zone
4b
More local growing data for McIntosh: nearby ZIP 57641 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mc Intosh 6 Se, Sd (4.3 mi from McIntosh). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.