Sloan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sloan, a city in Woodbury County, Iowa.
Today
73°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 1pm, then patchy smoke and showers and thunderstorms likely. Mostly cloudy, with a high near 73. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sloan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke | 10 to 15 mph N | 72% |
| Tonight | 57°F | Patchy Smoke then Mostly Cloudy | 0 to 10 mph NNE | 63% |
| Wednesday | 74°F | Partly Sunny | 0 to 5 mph NE | 11% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 80°F | Sunny | 0 to 10 mph SSE | 1% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph S | 1% |
| Friday | 86°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph S | 10% |
| Saturday | 90°F | Sunny | 5 to 15 mph S | 3% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 15% |
| Sunday | 90°F | Mostly Sunny | 10 to 15 mph SSE | 14% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph SE | 17% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 17% |
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
Nearby towns & communities
Anthon
Bronson
Climbing Hill
Correctionville
Danbury
Hornick
Lawton
Moville
Oto
Pierson
Salix
Sergeant Bluff
Sioux City
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 Aug 4, 2026.