Madison, SD Weather & Growing Conditions
Overnight
37°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 37, with temperatures rising to around 40 overnight. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Chance Rain Showers | 20 mph NW | 45% |
| Wednesday | 43°F | Rain Showers | 20 mph NW | 77% |
| Wednesday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 15 mph NW | 47% |
| Thursday | 44°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 | 5 mph S | 0% |
| Saturday | 52°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 59°F | Sunny | 10 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Madison, SD
Last spring frost
May 5
First fall frost
Sep 30
Growing season
148 days
Hardiness zone
4b
Explore more for Madison, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Madison 2Se, Sd (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.