Sioux Rapids, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sioux Rapids, a city in Buena Vista County, Iowa.
Tonight
40°F
Rain Showers
Rain showers. Cloudy. Low around 40, with temperatures rising to around 43 overnight. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sioux Rapids
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Rain Showers | 15 mph NW | 82% |
| Wednesday | 47°F | Rain Showers | 15 mph WNW | 86% |
| Wednesday Night | 38°F | Rain Showers | 10 to 15 mph NW | 78% |
| Thursday | 48°F | Chance Rain Showers | 10 to 15 mph NNW | 52% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Friday | 48°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 59°F | Sunny | 5 mph WSW | 5% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 1% |
| Monday | 62°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 59°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sioux Rapids (42.892, -95.149). Updated through the day.
Growing snapshot for Sioux Rapids
Last spring frost
Apr 30
First fall frost
Oct 5
Growing season
159 days
Hardiness zone
5a
More local growing data for Sioux Rapids: nearby ZIP 50585 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sioux Rapids 4 E, Ia (4.2 mi from Sioux Rapids). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.