Mondamin, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mondamin, a city in Harrison County, Iowa.
Overnight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Mostly cloudy. Low around 69, with temperatures rising to around 72 overnight. West northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mondamin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Chance Showers And Thunderstorms | 6 mph WNW | 66% |
| Saturday | 75°F | Chance Showers And Thunderstorms then Partly Sunny | 5 to 9 mph NNW | 37% |
| Saturday Night | 60°F | Slight Chance Rain Showers | 10 mph N | 21% |
| Sunday | 64°F | Chance Rain Showers | 10 mph NNE | 39% |
| Sunday Night | 56°F | Chance Rain Showers | 6 to 9 mph NE | 42% |
| Monday | 60°F | Rain Showers Likely | 8 mph ENE | 60% |
| Monday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NE | 43% |
| Tuesday | 61°F | Partly Sunny | 3 to 7 mph E | 9% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 2 to 6 mph SE | 2% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 30% |
| Thursday | 66°F | Chance Rain Showers | 3 to 7 mph SE | 33% |
| Thursday Night | 56°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SE | 24% |
| Friday | 68°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SE | 24% |
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
California Junction
Dunlap
Little Sioux
Logan
Loveland
Magnolia
Missouri Valley
Modale
Persia
Pisgah
River Sioux
Woodbine
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 Sep 19, 2026.