Rockwell City, IA Weather & Growing Conditions
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. South southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 7 mph SSW | 29% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 3 to 9 mph NNW | 71% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 1 to 6 mph NNE | 55% |
| Wednesday | 75°F | Partly Sunny | 3 mph NE | 11% |
| Wednesday Night | 53°F | Mostly Clear | 1 mph SE | 2% |
| Thursday | 81°F | Sunny | 0 to 3 mph SSE | 1% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SSE | 3% |
| Friday | 85°F | Sunny | 3 to 8 mph S | 7% |
| Friday Night | 65°F | Mostly Clear | 3 to 7 mph S | 13% |
| Saturday | 89°F | Sunny | 2 to 10 mph S | 10% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SSE | 19% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SE | 19% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 30% |
| Monday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 7 to 10 mph SE | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockwell City, IA
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
Explore more for Rockwell City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Rockwell City, Ia (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.