Harman US

Dow City, IA Weather & Growing Conditions

This Afternoon
73°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. North wind around 9 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 73°F Slight Chance Showers And Thunderstorms 9 mph N 15%
Tonight 59°F Mostly Cloudy 9 mph NNE 14%
Sunday 63°F Chance Drizzle then Chance Rain Showers 8 to 12 mph NE 45%
Sunday Night 53°F Rain Showers Likely 9 mph NE 70%
Monday 57°F Rain Showers 9 mph NE 82%
Monday Night 49°F Rain Showers Likely then Mostly Cloudy 3 to 8 mph NE 59%
Tuesday 60°F Partly Sunny 3 to 7 mph ENE 2%
Tuesday Night 45°F Partly Cloudy 1 to 5 mph E 0%
Wednesday 64°F Mostly Sunny 1 to 5 mph ESE 2%
Wednesday Night 51°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 3 mph SE 24%
Thursday 67°F Chance Showers And Thunderstorms 3 to 7 mph SSE 37%
Thursday Night 56°F Slight Chance Rain Showers 1 to 5 mph SE 23%
Friday 69°F Slight Chance Rain Showers 1 to 6 mph ESE 19%
Friday Night 58°F Mostly Cloudy then Chance Rain Showers 5 mph ESE 27%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Dow City, IA

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

Explore more for Dow City, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Denison, Ia (12.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.