Lost Nation, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lost Nation, a city in Clinton County, Iowa.
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1am, then patchy fog and occasional showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy. Low around 62, with temperatures rising to around 65 overnight. Northeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Lost Nation
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 87% |
| Sunday | 67°F | Patchy Fog | 5 to 15 mph NE | 73% |
| Sunday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 to 15 mph NE | 37% |
| Monday | 63°F | Rain Showers Likely | 10 mph NE | 67% |
| Monday Night | 51°F | Rain Showers Likely | 5 mph NE | 67% |
| Tuesday | 62°F | Chance Rain Showers | 5 mph NE | 54% |
| Tuesday Night | 48°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Wednesday | 64°F | Partly Sunny | 5 mph NE | 3% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 67°F | Partly Sunny | 0 mph | 10% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 0 mph | 17% |
| Friday | 69°F | Partly Sunny | 0 mph | 12% |
| Friday Night | 54°F | Partly Cloudy | 0 mph | 10% |
| Saturday | 70°F | Mostly Sunny | 0 mph | 8% |
Forecast source: National Weather Service (api.weather.gov) for Lost Nation (41.968, -90.818). Updated through the day.
Growing snapshot for Lost Nation
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Lost Nation: nearby ZIP 52254 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Andover
Calamus
Camanche
Charlotte
Clinton
Delmar
DeWitt
Goose Lake
Grand Mound
Low Moor
Toronto
Welton
Wheatland
Climate data from the nearest NOAA station, Lowden, Ia (8.7 mi from Lost Nation). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.