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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Arion
Aspinwall
Buck Grove
Charter Oak
Deloit
Denison
Dow City
Manilla
Ricketts
Schleswig
Vail
Westside
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.