McIntosh, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McIntosh, a city in Corson County, South Dakota.
Tonight
56°F
Patchy Fog
Patchy fog after 10pm. Cloudy, with a low around 56. East northeast wind around 6 mph.
7-day forecast for McIntosh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Patchy Fog | 6 mph ENE | 4% |
| Saturday | 64°F | Areas Of Fog then Slight Chance Light Rain | 7 to 13 mph ENE | 23% |
| Saturday Night | 54°F | Chance Rain Showers | 12 to 15 mph ENE | 46% |
| Sunday | 60°F | Rain Showers Likely | 15 mph E | 65% |
| Sunday Night | 52°F | Chance Rain Showers | 8 to 12 mph E | 54% |
| Monday | 63°F | Mostly Cloudy | 8 to 13 mph ESE | 13% |
| Monday Night | 50°F | Mostly Cloudy | 14 mph SE | 7% |
| Tuesday | 67°F | Partly Sunny | 15 to 23 mph SE | 5% |
| Tuesday Night | 53°F | Mostly Cloudy | 20 mph SE | 13% |
| Wednesday | 73°F | Partly Sunny then Slight Chance Rain Showers | 16 to 21 mph SSE | 15% |
| Wednesday Night | 55°F | Slight Chance Rain Showers then Partly Cloudy | 7 to 15 mph SE | 22% |
| Thursday | 74°F | Mostly Sunny | 7 to 10 mph SE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 12 mph SE | 8% |
| Friday | 74°F | Partly Sunny | 13 to 21 mph SE | 6% |
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 Sep 19, 2026.