Montour, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montour, a city in Tama County, Iowa.
This Afternoon
69°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 64 in the afternoon. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Montour
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms | 8 mph SE | 80% |
| Tonight | 46°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 71% |
| Wednesday | 53°F | Chance Rain Showers | 9 to 15 mph W | 35% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph WSW | 20% |
| Thursday | 52°F | Rain Showers Likely | 10 mph WNW | 59% |
| Thursday Night | 37°F | Mostly Cloudy | 8 mph NNW | 14% |
| Friday | 51°F | Partly Sunny | 5 to 8 mph N | 2% |
| Friday Night | 31°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 60°F | Sunny | 6 mph WNW | 5% |
| Sunday Night | 36°F | Mostly Clear | 5 mph WSW | 2% |
| Monday | 64°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Montour (41.980, -92.715). Updated through the day.
Growing snapshot for Montour
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
More local growing data for Montour: nearby ZIP 50173 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Toledo 3N, Ia (8.4 mi from Montour). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.