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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.

Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. Southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Kiron

WhenTempForecastWindPrecip
Overnight 66°F Chance Showers And Thunderstorms 6 mph SW 50%
Saturday 75°F Patchy Fog then Mostly Cloudy 5 to 8 mph NNW 43%
Saturday Night 59°F Slight Chance Rain Showers 9 mph NNE 16%
Sunday 65°F Chance Rain Showers 8 to 12 mph NE 28%
Sunday Night 54°F Rain Showers Likely 7 to 10 mph ENE 55%
Monday 59°F Showers And Thunderstorms Likely 9 mph ENE 66%
Monday Night 50°F Showers And Thunderstorms Likely 3 to 7 mph NE 57%
Tuesday 60°F Mostly Cloudy 7 mph ENE 8%
Tuesday Night 47°F Mostly Cloudy 5 mph E 2%
Wednesday 65°F Mostly Sunny 5 mph SE 5%
Wednesday Night 51°F Mostly Cloudy then Slight Chance Rain Showers 2 mph SE 20%
Thursday 66°F Chance Rain Showers 5 mph SSE 27%
Thursday Night 54°F Mostly Cloudy then Slight Chance Rain Showers 2 mph SE 17%
Friday 68°F Slight Chance Rain Showers then Partly Sunny 2 to 6 mph SE 17%

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 Sep 19, 2026.