McCallsburg, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McCallsburg, a city in Story County, Iowa.
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. South wind around 6 mph.
7-day forecast for McCallsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 6 mph S | 13% |
| Tuesday | 79°F | Chance Showers And Thunderstorms | 5 to 9 mph WNW | 47% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 3 to 9 mph NNE | 83% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 5 mph NE | 41% |
| Wednesday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph NE | 15% |
| Thursday | 80°F | Sunny | 3 mph E | 1% |
| Thursday Night | 60°F | Mostly Clear | 3 mph SE | 1% |
| Friday | 83°F | Sunny | 2 to 8 mph S | 8% |
| Friday Night | 65°F | Mostly Clear | 6 mph S | 14% |
| Saturday | 87°F | Sunny | 3 to 9 mph S | 14% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph S | 16% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 16% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 34% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 8 to 12 mph S | 34% |
Forecast source: National Weather Service (api.weather.gov) for McCallsburg (42.165, -93.391). Updated through the day.
Growing snapshot for McCallsburg
Last spring frost
Apr 24
First fall frost
Oct 12
Growing season
170 days
Hardiness zone
5a
More local growing data for McCallsburg: nearby ZIP 50154 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colo, Ia (11.6 mi from McCallsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.