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
44°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 44, with temperatures rising to around 46 overnight. West northwest wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Iowa Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Chance Rain Showers | 17 mph WNW | 40% |
| Wednesday | 50°F | Chance Rain Showers | 13 to 16 mph W | 37% |
| Wednesday Night | 42°F | Chance Rain Showers | 9 to 13 mph W | 39% |
| Thursday | 52°F | Rain Showers Likely then Cloudy | 9 to 13 mph NW | 61% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 9 mph N | 12% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph NNE | 3% |
| Friday Night | 28°F | Partly Cloudy | 1 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 3 mph WSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 56°F | Sunny | 5 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 62°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 3 mph WNW | 0% |
| Tuesday | 61°F | Mostly Sunny | 2 mph NW | 0% |
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 Nov 4, 2026.