Iowa Falls, IA Weather & Growing Conditions
This Afternoon
64°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 64, with temperatures falling to around 60 in the afternoon. Northwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms Likely | 9 mph NW | 67% |
| Tonight | 45°F | Showers And Thunderstorms | 5 to 9 mph NW | 75% |
| Wednesday | 51°F | Chance Rain Showers | 9 to 16 mph W | 44% |
| Wednesday Night | 41°F | Rain Showers Likely | 8 to 13 mph W | 65% |
| Thursday | 51°F | Rain Showers Likely | 8 to 12 mph NW | 63% |
| Thursday Night | 36°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph N | 15% |
| Friday | 49°F | Partly Sunny | 2 to 6 mph NNE | 4% |
| Friday Night | 31°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 54°F | Mostly Sunny | 0 to 3 mph W | 2% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph W | 3% |
| Sunday | 59°F | Sunny | 2 to 6 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Iowa Falls, IA
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
Explore more for Iowa Falls, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Iowa Falls, Ia (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.