Reliance, SD Weather & Growing Conditions
Today
71°F
Patchy Smoke then Partly Sunny
Patchy smoke before 11am. Partly sunny, with a high near 71. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Partly Sunny | 8 to 13 mph NW | 10% |
| Tonight | 55°F | Partly Cloudy | 5 to 8 mph SW | 2% |
| Wednesday | 81°F | Mostly Sunny | 5 to 13 mph SSW | 1% |
| Wednesday Night | 61°F | Partly Cloudy | 10 to 14 mph S | 3% |
| Thursday | 89°F | Mostly Sunny | 10 to 14 mph S | 5% |
| Thursday Night | 65°F | Mostly Clear | 10 to 14 mph S | 5% |
| Friday | 92°F | Sunny | 10 mph SSE | 4% |
| Friday Night | 66°F | Mostly Clear | 12 mph ESE | 5% |
| Saturday | 95°F | Sunny | 9 to 21 mph SSE | 5% |
| Saturday Night | 66°F | Mostly Clear | 10 to 21 mph ESE | 9% |
| Sunday | 91°F | Mostly Sunny | 10 to 18 mph E | 5% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 14 to 18 mph E | 30% |
| Monday | 89°F | Chance Showers And Thunderstorms then Partly Sunny | 13 to 17 mph ENE | 30% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 14 to 18 mph ENE | 19% |
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 Aug 4, 2026.