Harman US

Casey, IA Weather & Growing Conditions

Tonight
43°F
Rain Showers Likely
Rain showers likely before 3am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Rain Showers Likely 13 to 17 mph NW 61%
Wednesday 50°F Slight Chance Rain Showers 14 to 18 mph W 21%
Wednesday Night 41°F Mostly Cloudy then Chance Rain Showers 13 mph W 27%
Thursday 51°F Chance Rain Showers 12 mph NW 50%
Thursday Night 38°F Mostly Cloudy 8 mph N 11%
Friday 52°F Partly Sunny 2 to 7 mph N 5%
Friday Night 34°F Mostly Cloudy 1 mph WNW 0%
Saturday 56°F Mostly Sunny 1 to 5 mph WSW 1%
Saturday Night 37°F Mostly Clear 2 to 6 mph W 4%
Sunday 62°F Sunny 6 mph W 5%
Sunday Night 40°F Mostly Clear 5 to 8 mph SW 1%
Monday 65°F Sunny 7 to 13 mph WSW 0%
Monday Night 42°F Mostly Clear 6 mph WNW 0%
Tuesday 64°F Mostly Sunny 6 mph W 1%

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

Growing snapshot for Casey, IA

Last spring frost
May 2
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Guthrie Ctr, Ia (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.