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
51°F
Rain Showers
Rain showers. Cloudy. High near 51, with temperatures falling to around 45 in the afternoon. North wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Egan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Rain Showers | 20 mph N | 99% |
| Tonight | 38°F | Rain Showers | 15 to 20 mph NNW | 100% |
| Wednesday | 44°F | Rain Showers | 15 to 20 mph NW | 91% |
| Wednesday Night | 35°F | Rain Showers Likely then Mostly Cloudy | 15 mph NNW | 67% |
| Thursday | 45°F | Partly Sunny | 10 to 15 mph N | 9% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 45°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph SSW | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WNW | 5% |
| Sunday | 56°F | Sunny | 5 to 10 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 1% |
| Monday | 59°F | Sunny | 5 to 15 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph NW | 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 3, 2026.