Harman US

Lake City, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake City, a city in Calhoun County, Iowa.

Today
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. North wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Lake City

WhenTempForecastWindPrecip
Today 76°F Showers And Thunderstorms Likely 9 mph N 74%
Tonight 59°F Showers And Thunderstorms Likely 2 to 7 mph NNE 57%
Wednesday 74°F Partly Sunny then Slight Chance Rain Showers 5 mph ENE 20%
Wednesday Night 53°F Mostly Clear 2 mph E 2%
Thursday 81°F Sunny 0 to 5 mph SSE 1%
Thursday Night 61°F Mostly Clear 3 mph SSE 2%
Friday 86°F Sunny 2 to 8 mph S 6%
Friday Night 66°F Mostly Clear 6 mph S 11%
Saturday 90°F Sunny 2 to 10 mph S 9%
Saturday Night 70°F Mostly Clear then Slight Chance Showers And Thunderstorms 7 to 10 mph S 18%
Sunday 89°F Slight Chance Showers And Thunderstorms then Mostly Sunny 9 mph SSE 18%
Sunday Night 69°F Chance Showers And Thunderstorms 9 mph SSE 29%
Monday 89°F Chance Showers And Thunderstorms then Mostly Sunny 12 mph SE 29%
Monday Night 69°F Partly Cloudy then Chance Showers And Thunderstorms 8 to 13 mph E 28%

Forecast source: National Weather Service (api.weather.gov) for Lake City (42.268, -94.731). Updated through the day.

Growing snapshot for Lake City

Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a

More local growing data for Lake City: nearby ZIP 51449 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

All Iowa locations ›

Climate data from the nearest NOAA station, Rockwell City, Ia (10.5 mi from Lake City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.