Reliance, SD Weather & Growing Conditions
This Afternoon
45°F
Cloudy
Cloudy. High near 45, with temperatures falling to around 41 in the afternoon. North northwest wind around 23 mph, with gusts as high as 32 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Cloudy | 23 mph NNW | 8% |
| Tonight | 36°F | Cloudy then Patchy Fog | 15 to 21 mph NW | 7% |
| Wednesday | 48°F | Chance Light Rain | 17 to 21 mph NW | 25% |
| Wednesday Night | 34°F | Mostly Cloudy | 15 mph NW | 8% |
| Thursday | 49°F | Mostly Sunny | 7 to 14 mph NNW | 0% |
| Thursday Night | 28°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 49°F | Mostly Sunny | 5 to 8 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 59°F | Mostly Sunny | 5 to 13 mph W | 5% |
| Saturday Night | 33°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 61°F | Sunny | 6 to 10 mph SSW | 0% |
| Sunday Night | 38°F | Mostly Clear | 12 mph SSW | 0% |
| Monday | 60°F | Sunny | 9 to 17 mph NW | 0% |
| Monday Night | 36°F | Partly Cloudy | 7 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Reliance, SD
Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a
Explore more for Reliance, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Chamberlain Muni Ap, Sd (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.