Sloan, IA Weather & Growing Conditions
Today
73°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 1pm, then patchy smoke and showers and thunderstorms between 1pm and 3pm, then patchy smoke and a chance of showers and thunderstorms between 3pm and 5pm, then patchy smoke and a slight chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 71 in the afternoon. North wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke | 9 to 14 mph N | 75% |
| Tonight | 57°F | Slight Chance Showers And Thunderstorms then Patchy Smoke | 2 to 8 mph NNE | 30% |
| Wednesday | 75°F | Patchy Smoke then Partly Sunny | 5 mph NE | 11% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph SE | 1% |
| Thursday | 81°F | Mostly Sunny | 1 to 9 mph S | 1% |
| Thursday Night | 62°F | Mostly Clear | 5 to 9 mph S | 1% |
| Friday | 86°F | Sunny | 5 to 12 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 3 to 10 mph S | 9% |
| Saturday | 90°F | Sunny | 3 to 16 mph S | 3% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 to 16 mph SSE | 15% |
| Sunday | 90°F | Mostly Sunny | 8 to 13 mph SSE | 13% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 14 mph SE | 17% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 to 16 mph ESE | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 17 mph E | 17% |
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 Aug 4, 2026.