Ideal, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ideal, a community in Tripp County, South Dakota.
This Afternoon
48°F
Mostly Cloudy
Mostly cloudy, with a high near 48. Northwest wind 16 to 20 mph, with gusts as high as 30 mph.
7-day forecast for Ideal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Cloudy | 16 to 20 mph NW | 6% |
| Tonight | 34°F | Mostly Cloudy | 10 to 15 mph NW | 0% |
| Thursday | 48°F | Partly Sunny | 7 to 14 mph N | 1% |
| Thursday Night | 25°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 6 to 9 mph SE | 0% |
| Friday Night | 32°F | Partly Cloudy | 8 mph S | 1% |
| Saturday | 62°F | Sunny | 9 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 8 mph W | 0% |
| Sunday | 66°F | Sunny | 6 to 13 mph SW | 0% |
| Sunday Night | 42°F | Clear | 12 to 15 mph SW | 0% |
| Monday | 64°F | Sunny | 8 to 15 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 to 9 mph S | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 7 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Ideal (43.540, -99.922). Updated through the day.
Growing snapshot for Ideal
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for Ideal: nearby ZIP 57541 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (14.7 mi from Ideal). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.