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.
Today
75°F
Patchy Smoke then Sunny
Patchy smoke before 10am. Sunny, with a high near 75. West northwest wind around 12 mph.
7-day forecast for Long Lake Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Sunny | 12 mph WNW | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Wednesday | 82°F | Mostly Sunny | 5 to 12 mph WSW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 7 to 10 mph SSW | 1% |
| Thursday | 87°F | Sunny | 10 mph SW | 3% |
| Thursday Night | 59°F | Mostly Clear | 9 mph S | 4% |
| Friday | 88°F | Sunny | 7 to 12 mph SW | 4% |
| Friday Night | 60°F | Mostly Clear | 6 to 10 mph E | 2% |
| Saturday | 86°F | Mostly Sunny | 7 to 14 mph E | 3% |
| Saturday Night | 60°F | Mostly Clear | 13 mph NE | 9% |
| Sunday | 83°F | Mostly Sunny | 9 to 14 mph NE | 5% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph ENE | 26% |
| Monday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph ENE | 26% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 22% |
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 Aug 4, 2026.