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
75°F
Patchy Smoke
Patchy smoke and isolated showers and thunderstorms before 9am, then patchy smoke and scattered showers and thunderstorms between 9am and 11am, then patchy smoke and a chance of showers and thunderstorms between 11am and noon, then patchy smoke and showers and thunderstorms between noon and 4pm, then scattered showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 70 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Sioux Rapids
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke | 5 to 10 mph N | 76% |
| Tonight | 55°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph N | 66% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph ENE | 3% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph SSE | 1% |
| Thursday | 82°F | Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 87°F | Sunny | 5 to 15 mph SSW | 6% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Saturday | 90°F | Sunny | 5 to 15 mph S | 10% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 24% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SE | 24% |
| Sunday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph SE | 27% |
| Monday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 27% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 30% |
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 Aug 4, 2026.