Willow Lake, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willow Lake, a city in Clark County, South Dakota.
Today
70°F
Partly Sunny
Partly sunny, with a high near 70. Northwest wind around 10 mph.
7-day forecast for Willow Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 10 mph NW | 2% |
| Tonight | 53°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Wednesday | 77°F | Sunny | 7 to 13 mph SSW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 13 mph SSW | 0% |
| Thursday | 82°F | Sunny | 14 to 17 mph SSW | 3% |
| Thursday Night | 63°F | Mostly Clear | 14 mph S | 5% |
| Friday | 85°F | Sunny | 9 to 14 mph SSW | 6% |
| Friday Night | 63°F | Mostly Clear | 10 mph SE | 6% |
| Saturday | 85°F | Sunny | 10 to 16 mph SE | 6% |
| Saturday Night | 64°F | Slight Chance Showers And Thunderstorms | 15 mph ESE | 18% |
| Sunday | 83°F | Mostly Sunny | 15 mph E | 10% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms | 15 mph E | 23% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 16 mph ENE | 23% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 13 to 16 mph ENE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Willow Lake (44.628, -97.638). Updated through the day.
Growing snapshot for Willow Lake
Last spring frost
May 5
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
4b
More local growing data for Willow Lake: nearby ZIP 57278 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Bradley
Clark
Collins Colony
Crocker
Fordham Colony
Garden City
Hillcrest Colony
Mayfield Colony
Naples
Raymond
Silver Lake Colony
Vienna
Climate data from the nearest NOAA station, Clark, Sd (16.3 mi from Willow Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.