Madison, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madison, a city in Lake County, South Dakota.
Tonight
37°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 37, with temperatures rising to around 40 overnight. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Madison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Chance Rain Showers | 15 mph NNW | 48% |
| Wednesday | 42°F | Rain Showers | 15 to 20 mph NW | 77% |
| Wednesday Night | 35°F | Chance Rain Showers then Cloudy | 15 mph NNW | 49% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 51°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WNW | 3% |
| Sunday | 55°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 37°F | Mostly Clear | 10 mph SSW | 0% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Madison (44.006, -97.108). Updated through the day.
Growing snapshot for Madison
Last spring frost
May 5
First fall frost
Sep 30
Growing season
148 days
Hardiness zone
4b
More local growing data for Madison: nearby ZIP 57042 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Brant Lake
Brant Lake South
Chester
Graceville Colony
Lake Madison
Nunda
Ramona
Rustic Acres Colony
Shannon Colony
Wentworth
Winfred
Climate data from the nearest NOAA station, Madison 2Se, Sd (2.9 mi from Madison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.