Sioux Rapids, IA Weather & Growing Conditions
This Afternoon
66°F
Patchy Fog
Patchy fog. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. North wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Patchy Fog | 10 mph N | 4% |
| Tonight | 55°F | Patchy Fog | 10 mph NNE | 8% |
| Sunday | 66°F | Patchy Fog | 15 mph NE | 21% |
| Sunday Night | 51°F | Rain Showers Likely | 10 to 15 mph ENE | 64% |
| Monday | 57°F | Rain Showers | 10 mph NE | 78% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 52% |
| Tuesday | 61°F | Partly Sunny | 5 mph ENE | 6% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Wednesday | 65°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SE | 23% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 39% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 mph SE | 19% |
| Friday | 71°F | Slight Chance Rain Showers | 5 mph ESE | 15% |
| Friday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sioux Rapids, IA
Last spring frost
Apr 30
First fall frost
Oct 5
Growing season
159 days
Hardiness zone
5a
Explore more for Sioux Rapids, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sioux Rapids 4 E, Ia (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.