Harman US

Wallace, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wallace, a town in Codington County, South Dakota.

This Afternoon
46°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 46. North northwest wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Wallace

WhenTempForecastWindPrecip
This Afternoon 46°F Chance Light Rain 18 to 24 mph NNW 48%
Tonight 36°F Light Rain 14 to 17 mph NNW 86%
Wednesday 42°F Light Rain 15 to 18 mph NNW 85%
Wednesday Night 32°F Slight Chance Light Rain then Mostly Cloudy 13 to 16 mph NNW 24%
Thursday 41°F Partly Sunny 9 to 14 mph N 3%
Thursday Night 29°F Mostly Cloudy 1 to 8 mph ENE 0%
Friday 43°F Partly Sunny 2 to 6 mph S 0%
Friday Night 30°F Partly Cloudy 6 mph SSW 0%
Saturday 51°F Mostly Sunny 6 to 13 mph WSW 4%
Saturday Night 34°F Partly Cloudy 6 to 9 mph WNW 3%
Sunday 52°F Sunny 6 to 10 mph SW 3%
Sunday Night 38°F Partly Cloudy 8 mph SSW 0%
Monday 56°F Mostly Sunny 8 to 14 mph W 0%
Monday Night 36°F Mostly Clear 7 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Wallace (45.084, -97.478). Updated through the day.

Growing snapshot for Wallace

Last spring frost
May 4
First fall frost
Oct 6
Growing season
156 days
Hardiness zone
4b

More local growing data for Wallace: nearby ZIP 57272 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Webster, Sd (15.7 mi from Wallace). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.