Lost Nation, IA Weather & Growing Conditions
Overnight
52°F
Mostly Cloudy
Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. Southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Cloudy | 10 mph SW | 12% |
| Wednesday | 54°F | Chance Rain Showers | 10 mph SW | 37% |
| Wednesday Night | 46°F | Chance Rain Showers | 5 to 10 mph SW | 25% |
| Thursday | 55°F | Chance Rain Showers | 5 to 10 mph NW | 53% |
| Thursday Night | 41°F | Mostly Cloudy | 5 mph N | 13% |
| Friday | 50°F | Partly Sunny | 5 mph N | 3% |
| Friday Night | 31°F | Mostly Clear | 0 mph | 0% |
| Saturday | 52°F | Sunny | 0 mph | 1% |
| Saturday Night | 34°F | Mostly Clear | 0 mph | 2% |
| Sunday | 57°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 35°F | Clear | 0 mph | 0% |
| Monday | 62°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lost Nation, IA
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
Explore more for Lost Nation, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Lowden, Ia (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.