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
46°F
Chance Light Rain then Cloudy
A chance of rain before noon. Cloudy, with a high near 46. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Long Lake Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Chance Light Rain then Cloudy | 15 to 20 mph NNW | 25% |
| Tonight | 31°F | Mostly Cloudy | 12 to 15 mph N | 0% |
| Thursday | 41°F | Partly Sunny | 7 to 13 mph N | 0% |
| Thursday Night | 24°F | Mostly Cloudy | 1 to 6 mph ESE | 0% |
| Friday | 42°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Friday Night | 26°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 55°F | Sunny | 6 to 12 mph WSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 8 mph W | 0% |
| Sunday | 55°F | Sunny | 6 to 10 mph SW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 8 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 8 to 13 mph WNW | 0% |
| Monday Night | 33°F | Mostly Clear | 7 mph NW | 0% |
| Tuesday | 53°F | Mostly Sunny | 7 mph WSW | 1% |
| Tuesday Night | 34°F | Partly Cloudy | 5 mph SSW | 1% |
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 Nov 4, 2026.