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
76°F
Cloudy
Cloudy, with a high near 76. Northwest wind around 10 mph, with gusts as high as 21 mph.
7-day forecast for Ideal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Cloudy | 10 mph NW | 1% |
| Tonight | 58°F | Cloudy then Patchy Fog | 8 mph N | 6% |
| Saturday | 68°F | Patchy Fog then Cloudy | 10 mph N | 12% |
| Saturday Night | 55°F | Rain Showers Likely | 8 to 12 mph NE | 57% |
| Sunday | 63°F | Rain Showers | 13 mph NE | 80% |
| Sunday Night | 52°F | Rain Showers | 12 mph E | 89% |
| Monday | 63°F | Rain Showers | 13 mph E | 89% |
| Monday Night | 48°F | Slight Chance Rain Showers | 12 mph E | 23% |
| Tuesday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 20 mph SE | 15% |
| Tuesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 18 mph SE | 20% |
| Wednesday | 74°F | Chance Rain Showers | 18 to 22 mph S | 33% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 12 to 18 mph SE | 28% |
| Thursday | 75°F | Chance Rain Showers then Partly Sunny | 12 mph S | 28% |
| Thursday Night | 56°F | Partly Cloudy | 12 mph SE | 9% |
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 Sep 18, 2026.