Egan, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Egan, a city in Moody County, South Dakota.
This Afternoon
43°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a high near 43. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Egan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 43°F | Rain Showers | 15 to 20 mph NW | 97% |
| Tonight | 35°F | Rain Showers Likely then Cloudy | 15 mph NNW | 57% |
| Thursday | 43°F | Cloudy | 10 to 15 mph N | 0% |
| Thursday Night | 27°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 27°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 52°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 0 to 10 mph WSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 35°F | Mostly Clear | 5 mph NNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 mph NW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph ESE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Egan (44.000, -96.649). Updated through the day.
Growing snapshot for Egan
Last spring frost
May 5
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
4b
More local growing data for Egan: nearby ZIP 57024 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flandreau, Sd (6.4 mi from Egan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.