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.
Today
66°F
Patchy Fog
Patchy fog and a slight chance of rain showers before 1pm. Cloudy, with a high near 66. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sioux Rapids
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog | 5 to 10 mph N | 15% |
| Tonight | 56°F | Slight Chance Rain Showers then Cloudy | 10 mph N | 18% |
| Sunday | 66°F | Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Sunday Night | 52°F | Rain Showers Likely | 10 to 15 mph ENE | 55% |
| Monday | 61°F | Rain Showers Likely | 10 mph ENE | 55% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 40% |
| Tuesday | 62°F | Partly Sunny | 5 mph E | 9% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 66°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 19% |
| Thursday | 68°F | Slight Chance Rain Showers | 0 to 5 mph SE | 19% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph SE | 13% |
| Friday | 70°F | Partly Sunny | 5 mph SE | 13% |
| Friday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
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 Sep 19, 2026.