Casey, IA Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 9 mph SSW | 46% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 8 mph W | 40% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 9 mph N | 34% |
| Sunday | 66°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 to 12 mph NNE | 57% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 12 mph NE | 53% |
| Monday | 60°F | Rain Showers Likely | 12 mph NE | 71% |
| Monday Night | 52°F | Rain Showers Likely | 6 to 9 mph NE | 59% |
| Tuesday | 60°F | Mostly Cloudy | 8 mph NE | 14% |
| Tuesday Night | 48°F | Partly Cloudy | 2 to 6 mph ENE | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph SE | 9% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 22% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 16% |
| Friday | 67°F | Slight Chance Rain Showers | 2 to 6 mph ESE | 16% |
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 Sep 19, 2026.