Sloan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sloan, a city in Woodbury County, Iowa.
This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. North wind around 10 mph.
7-day forecast for Sloan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 10 mph N | 5% |
| Tonight | 58°F | Mostly Cloudy | 10 mph NNE | 8% |
| Sunday | 63°F | Rain Showers Likely | 10 mph NNE | 56% |
| Sunday Night | 53°F | Rain Showers | 5 to 10 mph NE | 81% |
| Monday | 58°F | Showers And Thunderstorms | 10 mph NE | 81% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 23% |
| Tuesday | 62°F | Partly Sunny | 5 mph ENE | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 0 to 10 mph SE | 4% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 42% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 42% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Friday | 70°F | Slight Chance Rain Showers | 5 to 10 mph SE | 18% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Sloan (42.233, -96.225). Updated through the day.
Growing snapshot for Sloan
Last spring frost
May 1
First fall frost
Oct 6
Growing season
156 days
Hardiness zone
5a
More local growing data for Sloan: nearby ZIP 51055 weather · frost dates · planting calendar · Iowa frost dates
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Smithland
Climate data from the nearest NOAA station, Walthill 1E, Ne (11.7 mi from Sloan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.