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
44°F
Cloudy
Cloudy. High near 44, with temperatures falling to around 40 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph.
7-day forecast for Dallas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Cloudy | 20 mph NNW | 5% |
| Tonight | 32°F | Cloudy | 15 to 20 mph NW | 4% |
| Wednesday | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 25 mph NW | 22% |
| Wednesday Night | 33°F | Mostly Cloudy | 15 mph NW | 8% |
| Thursday | 48°F | Partly Sunny | 10 to 15 mph NNW | 2% |
| Thursday Night | 28°F | Partly Cloudy | 5 mph ESE | 0% |
| Friday | 50°F | Mostly Sunny | 5 mph S | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 59°F | Sunny | 5 to 15 mph W | 4% |
| Saturday Night | 34°F | Mostly Clear | 10 mph W | 3% |
| Sunday | 62°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 10 to 15 mph SW | 0% |
| Monday | 61°F | Sunny | 10 to 20 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph W | 0% |
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 Nov 4, 2026.