Harman US

Riceville, IA Weather & Growing Conditions

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

This Afternoon
48°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 48. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Riceville

WhenTempForecastWindPrecip
This Afternoon 48°F Chance Rain Showers 15 mph W 39%
Tonight 43°F Rain Showers 15 mph W 91%
Thursday 48°F Chance Rain Showers 17 mph NW 43%
Thursday Night 33°F Slight Chance Rain Showers then Mostly Cloudy 9 to 15 mph N 20%
Friday 45°F Mostly Sunny 7 to 10 mph N 0%
Friday Night 26°F Mostly Clear 7 mph N 0%
Saturday 50°F Mostly Sunny 7 to 10 mph W 0%
Saturday Night 34°F Mostly Clear 6 mph W 0%
Sunday 56°F Sunny 7 mph W 2%
Sunday Night 35°F Mostly Clear 6 mph SW 0%
Monday 62°F Sunny 7 to 12 mph SW 0%
Monday Night 39°F Mostly Clear 7 mph W 0%
Tuesday 58°F Sunny 6 mph NW 1%
Tuesday Night 38°F Partly Cloudy 5 mph NW 1%

Forecast source: National Weather Service (api.weather.gov) for Riceville (43.362, -92.553). Updated through the day.

Growing snapshot for Riceville

Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
4b

More local growing data for Riceville: nearby ZIP 50466 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

All Iowa locations ›

Climate data from the nearest NOAA station, Osage, Ia (15.6 mi from Riceville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.