McIntosh, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McIntosh, a city in Corson County, South Dakota.
Tonight
28°F
Partly Cloudy
Partly cloudy. Low around 28, with temperatures rising to around 31 overnight. North northwest wind 9 to 13 mph.
7-day forecast for McIntosh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 28°F | Partly Cloudy | 9 to 13 mph NNW | 0% |
| Wednesday | 48°F | Mostly Cloudy | 12 to 17 mph NNW | 0% |
| Wednesday Night | 29°F | Mostly Cloudy then Patchy Fog | 8 to 12 mph NNW | 0% |
| Thursday | 46°F | Patchy Fog then Mostly Sunny | 3 to 8 mph NNE | 0% |
| Thursday Night | 28°F | Partly Cloudy | 3 to 7 mph SE | 0% |
| Friday | 51°F | Mostly Sunny | 5 to 8 mph SW | 0% |
| Friday Night | 32°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
| Saturday | 57°F | Sunny | 9 to 21 mph WNW | 1% |
| Saturday Night | 33°F | Mostly Clear | 6 to 9 mph W | 0% |
| Sunday | 60°F | Sunny | 6 to 12 mph SSW | 0% |
| Sunday Night | 40°F | Mostly Clear | 9 to 14 mph WSW | 0% |
| Monday | 58°F | Mostly Sunny | 7 to 18 mph WNW | 0% |
| Monday Night | 35°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 56°F | Mostly Sunny | 7 to 10 mph SSW | 0% |
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 Nov 4, 2026.