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
45°F
Chance Rain Showers
A chance of rain showers before 3am. Cloudy. Low around 45, with temperatures rising to around 47 overnight. West northwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for De Soto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Chance Rain Showers | 15 mph WNW | 37% |
| Wednesday | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 13 to 17 mph W | 16% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph W | 19% |
| Thursday | 52°F | Rain Showers Likely | 12 mph NW | 55% |
| Thursday Night | 40°F | Mostly Cloudy | 9 mph NNW | 11% |
| Friday | 52°F | Partly Sunny | 5 to 8 mph N | 1% |
| Friday Night | 34°F | Mostly Cloudy | 3 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph WSW | 1% |
| Saturday Night | 37°F | Mostly Clear | 6 mph W | 4% |
| Sunday | 63°F | Sunny | 6 mph W | 5% |
| Sunday Night | 40°F | Mostly Clear | 6 mph SW | 1% |
| Monday | 66°F | Sunny | 6 to 12 mph WSW | 0% |
| Monday Night | 42°F | Mostly Clear | 7 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 6 mph WNW | 0% |
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 Nov 4, 2026.