Harman US

Lone Rock, IA Weather & Growing Conditions

Today
49°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 49, with temperatures falling to around 46 in the afternoon. West northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 49°F Rain Showers Likely 15 to 18 mph WNW 55%
Tonight 40°F Chance Rain Showers 14 to 17 mph WNW 54%
Thursday 48°F Chance Rain Showers then Cloudy 14 to 17 mph NNW 30%
Thursday Night 33°F Mostly Cloudy 6 to 12 mph N 7%
Friday 46°F Mostly Sunny 2 to 6 mph NNE 0%
Friday Night 27°F Partly Cloudy 2 mph ESE 0%
Saturday 50°F Mostly Sunny 2 to 8 mph SW 0%
Saturday Night 33°F Mostly Clear 6 mph W 1%
Sunday 55°F Sunny 8 mph W 0%
Sunday Night 35°F Mostly Clear 8 mph SW 0%
Monday 62°F Sunny 8 to 12 mph WSW 0%
Monday Night 37°F Mostly Clear 3 to 7 mph WNW 0%
Tuesday 59°F Mostly Sunny 5 mph NW 0%
Tuesday Night 39°F Partly Cloudy 5 mph SSE 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lone Rock, IA

Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
160 days
Hardiness zone
5a

Explore more for Lone Rock, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Algona, Ia (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.