Wallace, SD Weather & Growing Conditions
This Afternoon
61°F
Widespread Drizzle
Widespread drizzle and patchy fog. Cloudy, with a high near 61. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Widespread Drizzle | 10 mph E | 57% |
| Tonight | 55°F | Areas Of Drizzle then Areas Of Fog | 7 to 10 mph ENE | 44% |
| Saturday | 64°F | Areas Of Fog | 8 to 13 mph NE | 5% |
| Saturday Night | 53°F | Mostly Cloudy | 8 to 12 mph NE | 5% |
| Sunday | 64°F | Mostly Cloudy | 10 to 14 mph ENE | 9% |
| Sunday Night | 50°F | Chance Rain Showers | 8 to 12 mph E | 43% |
| Monday | 61°F | Chance Rain Showers | 10 mph E | 43% |
| Monday Night | 47°F | Mostly Cloudy | 6 to 9 mph ESE | 5% |
| Tuesday | 65°F | Mostly Sunny | 6 to 12 mph SE | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 10 mph SE | 8% |
| Wednesday | 68°F | Partly Sunny | 10 to 15 mph SSE | 12% |
| Wednesday Night | 53°F | Chance Rain Showers | 8 to 12 mph SSE | 29% |
| Thursday | 70°F | Chance Rain Showers | 10 mph SSE | 29% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wallace, SD
Last spring frost
May 4
First fall frost
Oct 6
Growing season
156 days
Hardiness zone
4b
Explore more for Wallace, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Webster, Sd (15.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.