Spring Valley, MN Weather & Growing Conditions
Tonight
50°F
Showers And Thunderstorms
Rain showers before 9pm, then showers and thunderstorms. Cloudy. Low around 50, with temperatures rising to around 54 overnight. Northeast wind 8 to 12 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Showers And Thunderstorms | 8 to 12 mph NE | 98% |
| Wednesday | 52°F | Rain Showers | 10 to 16 mph SW | 88% |
| Wednesday Night | 44°F | Rain Showers | 16 mph W | 98% |
| Thursday | 49°F | Rain Showers Likely | 16 mph NW | 73% |
| Thursday Night | 37°F | Mostly Cloudy | 10 to 14 mph N | 8% |
| Friday | 46°F | Partly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 31°F | Partly Cloudy | 3 mph W | 0% |
| Saturday | 51°F | Mostly Sunny | 3 to 8 mph SW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 6 to 9 mph W | 6% |
| Sunday | 56°F | Sunny | 10 mph W | 11% |
| Sunday Night | 38°F | Mostly Clear | 9 mph SW | 3% |
| Monday | 59°F | Mostly Sunny | 10 to 15 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 10 mph W | 1% |
| Tuesday | 56°F | Mostly Sunny | 9 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spring Valley, MN
Last spring frost
May 6
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
Explore more for Spring Valley, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Grand Meadow, Mn (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.