Monroe, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monroe, a town in Mccook County, South Dakota.
This Afternoon
44°F
Rain Showers
Rain showers. Cloudy, with a high near 44. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Rain Showers | 20 mph NW | 93% |
| Tonight | 36°F | Rain Showers then Cloudy | 15 to 20 mph NW | 87% |
| Thursday | 45°F | Mostly Cloudy | 10 to 15 mph NNW | 0% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 44°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 58°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 38°F | Clear | 5 to 10 mph S | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph NNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph NNW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 5 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for Monroe (43.487, -97.217). Updated through the day.
Growing snapshot for Monroe
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Monroe: nearby ZIP 57047 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bridgewater, Sd (14.6 mi from Monroe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.