Long Lake Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Lake Colony, a community in Mcpherson County, South Dakota.
Overnight
56°F
Patchy Fog
Patchy fog and a slight chance of drizzle. Cloudy, with a low around 56. Northeast wind around 6 mph.
7-day forecast for Long Lake Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Patchy Fog | 6 mph NE | 14% |
| Saturday | 67°F | Patchy Fog then Cloudy | 7 to 13 mph NNE | 13% |
| Saturday Night | 52°F | Mostly Cloudy | 8 to 12 mph NE | 12% |
| Sunday | 65°F | Mostly Cloudy | 14 mph NE | 14% |
| Sunday Night | 48°F | Cloudy then Slight Chance Rain Showers | 6 to 10 mph ENE | 18% |
| Monday | 67°F | Slight Chance Rain Showers then Partly Sunny | 6 to 9 mph E | 18% |
| Monday Night | 44°F | Partly Cloudy | 8 mph SE | 6% |
| Tuesday | 68°F | Mostly Sunny | 6 to 15 mph SE | 3% |
| Tuesday Night | 48°F | Mostly Cloudy | 13 mph SSE | 6% |
| Wednesday | 70°F | Partly Sunny then Slight Chance Rain Showers | 14 to 17 mph SSE | 18% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 to 15 mph SSE | 31% |
| Thursday | 72°F | Chance Rain Showers | 12 mph SSE | 31% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 9 mph SSE | 16% |
| Friday | 74°F | Slight Chance Rain Showers then Partly Sunny | 9 to 15 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Long Lake Colony (45.603, -98.826). Updated through the day.
Growing snapshot for Long Lake Colony
Last spring frost
May 9
First fall frost
Sep 28
Growing season
141 days
Hardiness zone
4b
More local growing data for Long Lake Colony: nearby ZIP 57456 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leola, Sd (2.7 mi from Long Lake Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.