Alta Vista, IA Weather & Growing Conditions
Tonight
56°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a low around 56. Northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 33% |
| Sunday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 15% |
| Sunday Night | 50°F | Cloudy then Chance Rain Showers | 12 to 15 mph NE | 30% |
| Monday | 59°F | Rain Showers Likely | 10 to 15 mph NE | 60% |
| Monday Night | 46°F | Rain Showers Likely | 10 mph NE | 60% |
| Tuesday | 59°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 16% |
| Tuesday Night | 43°F | Partly Cloudy | 6 mph NE | 2% |
| Wednesday | 63°F | Mostly Sunny | 7 mph E | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph E | 5% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 3 mph SE | 17% |
| Friday | 69°F | Partly Sunny | 6 mph E | 12% |
| Friday Night | 54°F | Mostly Cloudy | 5 mph E | 6% |
| Saturday | 69°F | Slight Chance Rain Showers | 5 to 9 mph SE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alta Vista, IA
Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a
Explore more for Alta Vista, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, New Hampton, Ia (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.