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Montrose, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Montrose, a city in Lee County, Iowa.

This Afternoon
70°F
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 67 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

7-day forecast for Montrose

WhenTempForecastWindPrecip
This Afternoon 70°F Showers And Thunderstorms 15 mph S 95%
Tonight 51°F Chance Rain Showers 10 to 15 mph S 43%
Wednesday 56°F Slight Chance Rain Showers then Mostly Cloudy 15 mph SW 16%
Wednesday Night 45°F Mostly Cloudy 10 mph SW 4%
Thursday 56°F Mostly Cloudy then Slight Chance Rain Showers 10 mph W 17%
Thursday Night 44°F Chance Rain Showers 5 to 10 mph NW 29%
Friday 54°F Mostly Cloudy 5 to 10 mph N 9%
Friday Night 38°F Partly Cloudy 0 to 5 mph N 0%
Saturday 54°F Mostly Sunny 0 to 5 mph W 2%
Saturday Night 38°F Mostly Clear 0 to 5 mph W 3%
Sunday 60°F Sunny 5 mph W 9%
Sunday Night 39°F Mostly Clear 5 mph W 3%
Monday 64°F Sunny 5 to 10 mph SW 1%
Monday Night 43°F Mostly Clear 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Montrose (40.525, -91.418). Updated through the day.

Growing snapshot for Montrose

Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a

More local growing data for Montrose: nearby ZIP 52639 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Donnellson, Ia (9 mi from Montrose). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.