Ideal, SD Weather & Growing Conditions
Overnight
35°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 35. Northwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Patchy Fog | 15 mph NW | 3% |
| Wednesday | 49°F | Patchy Fog then Mostly Cloudy | 16 to 20 mph NW | 11% |
| Wednesday Night | 35°F | Mostly Cloudy | 10 to 15 mph NW | 1% |
| Thursday | 49°F | Partly Sunny | 7 to 12 mph NW | 0% |
| Thursday Night | 27°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 6 to 9 mph SE | 0% |
| Friday Night | 32°F | Partly Cloudy | 7 mph S | 0% |
| Saturday | 60°F | Sunny | 7 to 12 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 9 mph W | 0% |
| Sunday | 64°F | Sunny | 7 to 12 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 13 mph SW | 0% |
| Monday | 63°F | Sunny | 7 to 15 mph NW | 0% |
| Monday Night | 37°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 62°F | Mostly Sunny | 6 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ideal, SD
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
Explore more for Ideal, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.