Montour, IA Weather & Growing Conditions
This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Showers And Thunderstorms | 8 mph SW | 46% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 58% |
| Sunday | 66°F | Chance Rain Showers then Chance Drizzle | 9 to 13 mph NE | 49% |
| Sunday Night | 54°F | Chance Drizzle then Chance Rain Showers | 9 to 13 mph ENE | 48% |
| Monday | 62°F | Chance Rain Showers | 12 mph NE | 50% |
| Monday Night | 49°F | Chance Rain Showers | 7 to 10 mph NE | 50% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 8 mph ENE | 24% |
| Tuesday Night | 45°F | Partly Cloudy | 6 mph ENE | 3% |
| Wednesday | 65°F | Sunny | 5 mph ENE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 66°F | Partly Sunny | 3 mph E | 11% |
| Thursday Night | 52°F | Mostly Cloudy | 2 mph E | 9% |
| Friday | 68°F | Partly Sunny | 5 mph E | 6% |
| Friday Night | 53°F | Mostly Cloudy | 3 mph ESE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Montour, IA
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
Explore more for Montour, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Toledo 3N, Ia (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.