Le Grand, IA Weather & Growing Conditions
This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 77 in the afternoon. West southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Showers And Thunderstorms | 7 mph WSW | 45% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 6 to 9 mph N | 56% |
| Sunday | 65°F | Chance Rain Showers then Chance Drizzle | 9 to 13 mph NE | 50% |
| Sunday Night | 54°F | Chance Drizzle then Chance Rain Showers | 12 mph ENE | 48% |
| Monday | 60°F | Rain Showers | 12 mph NE | 76% |
| Monday Night | 49°F | Rain Showers | 7 to 10 mph NE | 76% |
| Tuesday | 60°F | Slight Chance Rain Showers | 8 mph NE | 23% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 7 mph NE | 6% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ENE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph E | 3% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph ESE | 17% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 2 mph ESE | 22% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph E | 18% |
| Friday Night | 55°F | Mostly Cloudy | 2 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Le Grand, IA
Last spring frost
Apr 28
First fall frost
Oct 7
Growing season
162 days
Hardiness zone
5a
Explore more for Le Grand, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Marshalltown, Ia (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.