Smithland, IA Weather & Growing Conditions
Today
72°F
Slight Chance Showers And Thunderstorms then Cloudy
A slight chance of showers and thunderstorms before 9am. Cloudy, with a high near 72. North northwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Slight Chance Showers And Thunderstorms then Cloudy | 5 to 10 mph NNW | 22% |
| Tonight | 58°F | Cloudy | 10 mph NNE | 14% |
| Sunday | 63°F | Cloudy then Chance Rain Showers | 10 mph NE | 29% |
| Sunday Night | 54°F | Rain Showers Likely | 10 mph NE | 55% |
| Monday | 58°F | Rain Showers Likely | 10 mph ENE | 60% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 42% |
| Tuesday | 61°F | Partly Sunny | 5 mph E | 9% |
| Tuesday Night | 45°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph SE | 3% |
| Wednesday Night | 51°F | Partly Cloudy then Chance Rain Showers | 5 mph SE | 30% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SSE | 30% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 16% |
| Friday | 68°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph SE | 16% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithland, IA
Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
5a
Explore more for Smithland, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Mapleton No.2, Ia (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.