Dallas, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dallas, a town in Tripp County, South Dakota.
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy, with a high near 73. Northwest wind 5 to 10 mph.
7-day forecast for Dallas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 5 to 10 mph NW | 1% |
| Tonight | 58°F | Patchy Fog | 5 to 10 mph N | 8% |
| Saturday | 66°F | Patchy Fog then Cloudy | 10 mph N | 14% |
| Saturday Night | 54°F | Cloudy then Slight Chance Rain Showers | 10 mph NE | 20% |
| Sunday | 60°F | Rain Showers | 10 to 15 mph ENE | 80% |
| Sunday Night | 50°F | Rain Showers | 10 mph ENE | 89% |
| Monday | 60°F | Rain Showers | 10 mph ENE | 89% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph ESE | 20% |
| Tuesday | 65°F | Mostly Cloudy | 10 to 15 mph SE | 14% |
| Tuesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph SE | 17% |
| Wednesday | 70°F | Chance Rain Showers | 20 mph SSE | 28% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 15 mph SSE | 38% |
| Thursday | 71°F | Chance Rain Showers | 10 to 15 mph SSE | 38% |
| Thursday Night | 55°F | Partly Cloudy | 10 to 15 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Dallas (43.238, -99.518). Updated through the day.
Growing snapshot for Dallas
Last spring frost
May 6
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
5a
More local growing data for Dallas: nearby ZIP 57529 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gregory, Sd (6.5 mi from Dallas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.