De Soto, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Soto, a city in Dallas County, Iowa.
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for De Soto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 9 mph S | 45% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 8 mph W | 43% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 9 mph N | 38% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 8 to 12 mph NNE | 57% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 mph NE | 57% |
| Monday | 61°F | Rain Showers Likely | 12 mph NE | 65% |
| Monday Night | 53°F | Rain Showers Likely | 9 mph NE | 56% |
| Tuesday | 60°F | Mostly Cloudy | 8 mph NE | 14% |
| Tuesday Night | 49°F | Partly Cloudy | 2 to 7 mph ENE | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph ESE | 5% |
| Thursday | 67°F | Slight Chance Rain Showers | 1 to 5 mph SE | 21% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph SE | 15% |
| Friday | 68°F | Slight Chance Rain Showers | 2 to 6 mph ESE | 15% |
Forecast source: National Weather Service (api.weather.gov) for De Soto (41.538, -94.010). Updated through the day.
Growing snapshot for De Soto
Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
157 days
Hardiness zone
5b
More local growing data for De Soto: nearby ZIP 50069 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winterset 1S, Ia (14.2 mi from De Soto). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.