Donnellson, IA Weather & Growing Conditions
Today
86°F
Slight Chance Showers And Thunderstorms
Patchy fog before 8am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 86. South wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 5 mph W | 70% |
| Sunday | 74°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 77% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 10 mph NE | 65% |
| Monday | 64°F | Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 41% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 41% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph NE | 4% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 70°F | Partly Sunny | 5 mph NE | 6% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 73°F | Mostly Sunny | 5 mph E | 4% |
| Friday Night | 56°F | Partly Cloudy | 0 to 5 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Donnellson, IA
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
Explore more for Donnellson, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Donnellson, Ia (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.