Lost Nation, IA Weather & Growing Conditions
Today
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 81. South wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Chance Showers And Thunderstorms | 10 mph S | 50% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 76% |
| Sunday | 69°F | Rain Showers Likely | 5 to 10 mph NE | 63% |
| Sunday Night | 56°F | Chance Rain Showers | 5 to 10 mph NE | 37% |
| Monday | 64°F | Chance Rain Showers | 10 mph NE | 50% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 49% |
| Tuesday | 63°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 25% |
| Tuesday Night | 46°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 mph | 6% |
| Thursday Night | 53°F | Partly Cloudy | 0 mph | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 53°F | Partly Cloudy | 0 mph | 5% |
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 Sep 19, 2026.