Sloan, IA Weather & Growing Conditions
Tonight
58°F
Cloudy
Cloudy. Low around 58, with temperatures rising to around 61 overnight. North wind around 10 mph, with gusts as high as 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Cloudy | 10 mph N | 8% |
| Sunday | 63°F | Rain Showers Likely | 12 mph NNE | 57% |
| Sunday Night | 53°F | Rain Showers | 9 mph NE | 82% |
| Monday | 58°F | Showers And Thunderstorms | 10 mph NE | 78% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 9 mph NE | 23% |
| Tuesday | 62°F | Partly Sunny | 3 to 7 mph ENE | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph ESE | 1% |
| Wednesday | 66°F | Mostly Sunny | 2 to 9 mph SE | 4% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Showers And Thunderstorms | 8 mph SE | 42% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 42% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 3 to 8 mph SE | 17% |
| Friday | 70°F | Slight Chance Rain Showers | 3 to 8 mph SE | 18% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 7 mph SE | 27% |
| Saturday | 71°F | Chance Rain Showers | 8 to 13 mph SSE | 43% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sloan, IA
Last spring frost
May 1
First fall frost
Oct 6
Growing season
156 days
Hardiness zone
5a
Explore more for Sloan, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Walthill 1E, Ne (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.