Long Lake, SD Weather & Growing Conditions
Today
74°F
Patchy Smoke then Sunny
Patchy smoke before 9am. Sunny, with a high near 74. West northwest wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Smoke then Sunny | 10 to 15 mph WNW | 0% |
| Tonight | 52°F | Partly Cloudy | 6 to 13 mph SW | 0% |
| Wednesday | 81°F | Sunny | 7 to 14 mph WSW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 6 to 14 mph SW | 0% |
| Thursday | 87°F | Sunny | 14 mph WSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 7 to 13 mph E | 3% |
| Friday | 87°F | Sunny | 9 to 15 mph NW | 3% |
| Friday Night | 60°F | Mostly Clear | 9 to 14 mph ENE | 2% |
| Saturday | 86°F | Mostly Sunny | 10 to 18 mph E | 3% |
| Saturday Night | 59°F | Mostly Clear | 14 to 17 mph ENE | 9% |
| Sunday | 83°F | Mostly Sunny | 13 to 17 mph ENE | 4% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 16 mph ENE | 28% |
| Monday | 81°F | Chance Rain Showers then Partly Sunny | 18 mph ENE | 28% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms | 14 to 18 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Long Lake, SD
Last spring frost
May 10
First fall frost
Sep 30
Growing season
143 days
Hardiness zone
4b
Explore more for Long Lake, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Aberdeen 35 Wnw, Sd (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.