Dallas, SD Weather & Growing Conditions
Tonight
57°F
Patchy Fog
Patchy fog. Cloudy. Low around 57, with temperatures rising to around 60 overnight. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Patchy Fog | 8 mph N | 8% |
| Saturday | 66°F | Patchy Fog then Slight Chance Rain Showers | 10 mph N | 15% |
| Saturday Night | 54°F | Rain Showers Likely | 10 mph NE | 60% |
| Sunday | 60°F | Rain Showers | 12 mph NE | 81% |
| Sunday Night | 50°F | Rain Showers | 10 mph E | 90% |
| Monday | 60°F | Rain Showers | 12 mph E | 90% |
| Monday Night | 47°F | Slight Chance Rain Showers | 10 mph E | 22% |
| Tuesday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 17 mph SE | 15% |
| Tuesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 14 to 18 mph SE | 18% |
| Wednesday | 70°F | Chance Rain Showers | 22 mph S | 29% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 17 mph S | 37% |
| Thursday | 72°F | Chance Rain Showers | 10 to 14 mph S | 37% |
| Thursday Night | 55°F | Partly Cloudy | 9 to 13 mph SE | 11% |
| Friday | 72°F | Partly Sunny | 13 to 17 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dallas, SD
Last spring frost
May 6
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
5a
Explore more for Dallas, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Gregory, Sd (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.