Forest City, IA Weather & Growing Conditions
Today
70°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 67 in the afternoon. North wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Fog | 6 to 9 mph N | 44% |
| Tonight | 55°F | Slight Chance Rain Showers then Cloudy | 12 mph NNE | 23% |
| Sunday | 66°F | Mostly Cloudy | 12 to 15 mph NE | 8% |
| Sunday Night | 50°F | Chance Rain Showers | 12 mph ENE | 28% |
| Monday | 61°F | Chance Rain Showers | 12 mph ENE | 31% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 3 to 8 mph ENE | 26% |
| Tuesday | 61°F | Mostly Sunny | 3 to 7 mph E | 7% |
| Tuesday Night | 42°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 5 mph ESE | 1% |
| Wednesday Night | 46°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph SE | 15% |
| Thursday | 66°F | Slight Chance Rain Showers then Partly Sunny | 1 to 5 mph SE | 15% |
| Thursday Night | 50°F | Mostly Cloudy | 3 mph SE | 4% |
| Friday | 68°F | Mostly Sunny | 1 to 6 mph SE | 6% |
| Friday Night | 51°F | Partly Cloudy | 5 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Forest City, IA
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
159 days
Hardiness zone
5a
Explore more for Forest City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Forest City 2 Nne, Ia (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.