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Le Grand, IA Weather & Growing Conditions

Today
80°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 76 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 80°F Chance Showers And Thunderstorms 8 mph WSW 48%
Tonight 60°F Chance Showers And Thunderstorms 9 mph N 38%
Sunday 66°F Chance Rain Showers 9 to 13 mph NE 40%
Sunday Night 54°F Chance Rain Showers 12 mph ENE 46%
Monday 62°F Chance Rain Showers 12 mph NE 49%
Monday Night 49°F Chance Rain Showers 7 to 10 mph NE 49%
Tuesday 60°F Slight Chance Rain Showers then Partly Sunny 8 mph ENE 23%
Tuesday Night 45°F Partly Cloudy 6 mph ENE 3%
Wednesday 65°F Sunny 5 mph ENE 1%
Wednesday Night 49°F Partly Cloudy 3 mph E 4%
Thursday 66°F Partly Sunny 3 mph E 12%
Thursday Night 52°F Mostly Cloudy 2 mph E 9%
Friday 68°F Partly Sunny 5 mph E 6%
Friday Night 53°F Mostly Cloudy 3 mph ESE 8%

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.