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Kiron, IA Weather & Growing Conditions

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

Tonight
40°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 40, with temperatures rising to around 43 overnight. Northwest wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Kiron

WhenTempForecastWindPrecip
Tonight 40°F Rain Showers Likely 12 to 18 mph NW 67%
Wednesday 48°F Chance Rain Showers 15 mph WNW 51%
Wednesday Night 38°F Rain Showers Likely 8 to 12 mph WNW 59%
Thursday 50°F Chance Rain Showers 10 mph NNW 53%
Thursday Night 35°F Mostly Cloudy 3 to 8 mph N 3%
Friday 51°F Partly Sunny 3 mph N 0%
Friday Night 32°F Mostly Cloudy 1 mph SSE 0%
Saturday 57°F Mostly Sunny 1 to 5 mph WSW 2%
Saturday Night 35°F Mostly Clear 3 mph W 4%
Sunday 61°F Sunny 6 mph WSW 5%
Sunday Night 39°F Mostly Clear 6 mph SSW 0%
Monday 64°F Sunny 6 to 9 mph WSW 0%
Monday Night 40°F Mostly Clear 5 mph NW 0%
Tuesday 62°F Mostly Sunny 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Kiron (42.194, -95.327). Updated through the day.

Growing snapshot for Kiron

Last spring frost
Apr 27
First fall frost
Oct 11
Growing season
166 days
Hardiness zone
5a

More local growing data for Kiron: nearby ZIP 51448 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Denison, Ia (11.7 mi from Kiron). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.