Lamoni, IA Weather & Growing Conditions
Overnight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. South wind around 9 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 |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 9 mph S | 26% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 30% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph N | 68% |
| Sunday | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NNE | 59% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 mph NE | 59% |
| Monday | 61°F | Rain Showers Likely | 10 mph NE | 55% |
| Monday Night | 53°F | Chance Rain Showers | 9 mph NE | 52% |
| Tuesday | 59°F | Mostly Cloudy | 9 mph NE | 9% |
| Tuesday Night | 48°F | Mostly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 6 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 5% |
| Thursday | 65°F | Partly Sunny | 5 mph ESE | 14% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 16% |
| Friday | 67°F | Slight Chance Rain Showers | 6 mph ESE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamoni, IA
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
5b
Explore more for Lamoni, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Lamoni, Ia (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.