Harman US

Prairie City, IA Weather & Growing Conditions

Tonight
63°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms between 11pm and 3am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 63, with temperatures rising to around 65 overnight. North wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 8 mph N 79%
Sunday 66°F Chance Rain Showers 8 to 13 mph NNE 54%
Sunday Night 57°F Rain Showers Likely 12 mph ENE 55%
Monday 60°F Rain Showers 12 mph NE 78%
Monday Night 53°F Rain Showers 10 mph NE 78%
Tuesday 60°F Slight Chance Rain Showers 8 mph NE 15%
Tuesday Night 48°F Partly Cloudy 3 to 7 mph NE 3%
Wednesday 64°F Mostly Sunny 5 mph ENE 1%
Wednesday Night 52°F Partly Cloudy 3 mph E 4%
Thursday 67°F Slight Chance Rain Showers 5 mph SE 18%
Thursday Night 57°F Slight Chance Rain Showers 3 mph ESE 22%
Friday 69°F Slight Chance Rain Showers 5 mph E 22%
Friday Night 59°F Mostly Cloudy 3 mph E 7%
Saturday 70°F Chance Rain Showers 7 mph ESE 28%

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

Growing snapshot for Prairie City, IA

Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b

Explore more for Prairie City, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Des Moines 17 E, Ia (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.