Harman US

Mondamin, IA Weather & Growing Conditions

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

Today
76°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then patchy smoke and a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then patchy smoke and a chance of showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. North wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Mondamin

WhenTempForecastWindPrecip
Today 76°F Chance Showers And Thunderstorms 8 to 14 mph N 52%
Tonight 60°F Patchy Smoke 3 to 13 mph NNE 71%
Wednesday 74°F Patchy Smoke 6 mph ENE 45%
Wednesday Night 55°F Partly Cloudy 1 to 5 mph ESE 2%
Thursday 81°F Sunny 1 to 7 mph SE 1%
Thursday Night 63°F Mostly Clear 7 mph SSE 4%
Friday 86°F Sunny 5 to 10 mph S 4%
Friday Night 68°F Mostly Clear 5 to 9 mph S 6%
Saturday 91°F Sunny 5 to 16 mph S 3%
Saturday Night 71°F Mostly Clear 10 to 16 mph S 9%
Sunday 92°F Mostly Sunny 9 to 14 mph SSE 7%
Sunday Night 72°F Slight Chance Showers And Thunderstorms 14 mph SSE 17%
Monday 92°F Slight Chance Showers And Thunderstorms then Partly Sunny 10 to 15 mph SSE 17%
Monday Night 72°F Partly Cloudy then Slight Chance Showers And Thunderstorms 10 to 15 mph SE 19%

Forecast source: National Weather Service (api.weather.gov) for Mondamin (41.710, -96.021). Updated through the day.

Growing snapshot for Mondamin

Last spring frost
May 1
First fall frost
Oct 3
Growing season
155 days
Hardiness zone
5b

More local growing data for Mondamin: nearby ZIP 51557 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

All Iowa locations ›

Climate data from the nearest NOAA station, Little Sioux 2 Nw, Ia (6.8 mi from Mondamin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.