Reliance, SD Weather & Growing Conditions
Tonight
58°F
Patchy Fog
Patchy fog. Cloudy. Low around 58, with temperatures rising to around 61 overnight. North wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Patchy Fog | 9 mph N | 5% |
| Saturday | 66°F | Areas Of Fog then Cloudy | 13 mph NNE | 7% |
| Saturday Night | 55°F | Chance Rain Showers | 13 mph NE | 29% |
| Sunday | 62°F | Rain Showers Likely | 15 mph ENE | 61% |
| Sunday Night | 52°F | Rain Showers | 13 mph ENE | 88% |
| Monday | 61°F | Rain Showers | 12 mph E | 87% |
| Monday Night | 48°F | Mostly Cloudy | 8 to 12 mph ESE | 12% |
| Tuesday | 66°F | Mostly Cloudy | 10 to 18 mph SE | 12% |
| Tuesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 17 mph SE | 16% |
| Wednesday | 71°F | Chance Rain Showers | 17 to 21 mph SSE | 29% |
| Wednesday Night | 55°F | Chance Rain Showers | 13 to 18 mph SSE | 30% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 12 mph SSE | 28% |
| Thursday Night | 56°F | Partly Cloudy | 12 mph SE | 9% |
| Friday | 73°F | Partly Sunny | 12 to 17 mph SE | 9% |
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 Sep 19, 2026.