Rapid City, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rapid City, a community in Kalkaska County, Michigan.
Overnight
65°F
Mostly Cloudy
Mostly cloudy. Low around 65, with temperatures rising to around 68 overnight. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Rapid City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 5 mph SE | 20% |
| Wednesday | 69°F | Chance Rain Showers | 10 to 15 mph S | 53% |
| Wednesday Night | 47°F | Chance Rain Showers | 10 mph SW | 50% |
| Thursday | 54°F | Chance Rain Showers | 10 mph W | 47% |
| Thursday Night | 36°F | Rain Showers | 15 mph NW | 88% |
| Friday | 46°F | Rain Showers Likely | 10 to 15 mph N | 59% |
| Friday Night | 32°F | Chance Rain Showers | 5 to 10 mph N | 54% |
| Saturday | 48°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph N | 17% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Sunday | 52°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 5 mph W | 19% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Monday Night | 40°F | Mostly Cloudy | 5 to 10 mph W | 8% |
| Tuesday | 54°F | Mostly Sunny | 5 to 10 mph NW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Rapid City (44.838, -85.290). Updated through the day.
Growing snapshot for Rapid City
Last spring frost
May 24
First fall frost
Oct 1
Growing season
128 days
Hardiness zone
6a
More local growing data for Rapid City: nearby ZIP 49676 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kalkaska, Mi (10 mi from Rapid City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.