Dallas, SD Weather & Growing Conditions
Tonight
33°F
Widespread Fog
Widespread fog. Cloudy, with a low around 33. Northwest wind around 16 mph, with gusts as high as 29 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Widespread Fog | 16 mph NW | 4% |
| Wednesday | 47°F | Areas Of Fog then Mostly Cloudy | 17 to 21 mph NW | 13% |
| Wednesday Night | 33°F | Mostly Cloudy | 17 mph NW | 13% |
| Thursday | 48°F | Mostly Sunny | 8 to 16 mph N | 2% |
| Thursday Night | 28°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 50°F | Mostly Sunny | 7 mph S | 0% |
| Friday Night | 31°F | Partly Cloudy | 7 mph SW | 0% |
| Saturday | 59°F | Sunny | 7 to 13 mph W | 4% |
| Saturday Night | 34°F | Mostly Clear | 9 mph W | 3% |
| Sunday | 63°F | Sunny | 8 to 12 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 10 to 16 mph SW | 0% |
| Monday | 61°F | Sunny | 9 to 18 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 60°F | Mostly Sunny | 7 to 10 mph S | 0% |
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 Nov 4, 2026.