Iowa Falls, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Iowa Falls, a city in Hardin County, Iowa.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. South wind around 7 mph.
7-day forecast for Iowa Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 7 mph S | 11% |
| Tuesday | 78°F | Chance Showers And Thunderstorms | 8 mph WNW | 52% |
| Tuesday Night | 59°F | Showers And Thunderstorms Likely | 2 to 8 mph N | 59% |
| Wednesday | 74°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 3 mph NNE | 24% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph NNE | 4% |
| Thursday | 80°F | Sunny | 2 mph ENE | 1% |
| Thursday Night | 59°F | Mostly Clear | 3 mph SSE | 0% |
| Friday | 83°F | Sunny | 2 to 9 mph S | 8% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 19% |
| Saturday | 86°F | Sunny | 3 to 9 mph S | 14% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 9 to 13 mph SSE | 17% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 17% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 33% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph SSE | 33% |
Forecast source: National Weather Service (api.weather.gov) for Iowa Falls (42.519, -93.266). Updated through the day.
Growing snapshot for Iowa Falls
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
More local growing data for Iowa Falls: nearby ZIP 50126 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Alden
Buckeye
Eldora
Garden City
Hubbard
New Providence
Owasa
Radcliffe
Steamboat Rock
Union
Whitten
Climate data from the nearest NOAA station, Iowa Falls, Ia (0.6 mi from Iowa Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.