Lake Madison, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Madison, a community in Lake County, South Dakota.
Tonight
37°F
Rain Showers
Rain showers. Cloudy. Low around 37, with temperatures rising to around 40 overnight. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lake Madison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Rain Showers | 15 mph NW | 91% |
| Wednesday | 44°F | Rain Showers | 15 to 20 mph NW | 91% |
| Wednesday Night | 35°F | Rain Showers Likely then Cloudy | 15 mph NNW | 62% |
| Thursday | 45°F | Partly Sunny | 10 to 15 mph N | 8% |
| 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 | 30°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph WSW | 3% |
| Saturday Night | 34°F | Mostly Clear | 5 to 10 mph WNW | 4% |
| Sunday | 56°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 37°F | Mostly Clear | 10 mph SSW | 0% |
| Monday | 59°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lake Madison (43.955, -97.027). Updated through the day.
Growing snapshot for Lake Madison
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
4b
More local growing data for Lake Madison: nearby ZIP 57075 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Brant Lake
Brant Lake South
Chester
Graceville Colony
Madison
Nunda
Ramona
Rustic Acres Colony
Shannon Colony
Wentworth
Winfred
Climate data from the nearest NOAA station, Wentworth 2.5 Wnw, Sd (2 mi from Lake Madison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.