Lamoni, IA Weather & Growing Conditions
Today
89°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Partly sunny. High near 89, with temperatures falling to around 87 in the afternoon. South southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SSW | 16% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 6 to 9 mph NNE | 60% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 9 mph NE | 81% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 54% |
| Thursday | 83°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 33% |
| Thursday Night | 63°F | Mostly Clear | 3 mph ESE | 4% |
| Friday | 87°F | Mostly Sunny | 2 to 7 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 11% |
| Saturday | 91°F | Sunny | 3 to 10 mph S | 4% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 93°F | Mostly Sunny | 10 to 14 mph SSW | 8% |
| Sunday Night | 72°F | Partly Cloudy | 10 to 14 mph SSW | 12% |
| Monday | 93°F | Mostly Sunny | 10 to 16 mph SSW | 12% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSW | 23% |
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 21
Growing season
186 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 Muni Ap, Ia (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.