Shell Rock, IA Weather & Growing Conditions
Overnight
47°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 47, with temperatures rising to around 49 overnight. West wind around 9 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 | 47°F | Chance Rain Showers | 9 mph W | 32% |
| Wednesday | 51°F | Chance Rain Showers | 12 to 18 mph WSW | 37% |
| Wednesday Night | 44°F | Chance Rain Showers | 13 to 16 mph W | 53% |
| Thursday | 52°F | Chance Rain Showers | 15 mph NW | 40% |
| Thursday Night | 37°F | Mostly Cloudy | 7 to 13 mph N | 12% |
| Friday | 48°F | Mostly Sunny | 5 to 9 mph N | 3% |
| Friday Night | 28°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 6 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 2% |
| Sunday | 56°F | Sunny | 5 to 8 mph W | 3% |
| Sunday Night | 35°F | Clear | 5 mph SW | 0% |
| Monday | 62°F | Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 3 to 7 mph W | 0% |
| Tuesday | 60°F | Sunny | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shell Rock, IA
Last spring frost
Apr 27
First fall frost
Oct 8
Growing season
165 days
Hardiness zone
5a
Explore more for Shell Rock, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Allison, Ia (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.