Harman US

Melcher-Dallas, IA Weather & Growing Conditions

This Afternoon
85°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 85, with temperatures falling to around 83 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 85°F Slight Chance Showers And Thunderstorms 8 mph WSW 21%
Tonight 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms 7 mph NNW 79%
Sunday 66°F Chance Showers And Thunderstorms then Chance Drizzle 7 to 12 mph NNE 45%
Sunday Night 57°F Rain Showers Likely 12 mph NE 61%
Monday 59°F Rain Showers 12 mph NE 81%
Monday Night 53°F Rain Showers 10 mph NE 77%
Tuesday 59°F Slight Chance Rain Showers 8 mph NE 16%
Tuesday Night 48°F Mostly Cloudy 3 to 7 mph NE 4%
Wednesday 62°F Mostly Sunny 6 mph NE 0%
Wednesday Night 52°F Partly Cloudy 3 mph E 3%
Thursday 65°F Slight Chance Rain Showers 3 mph SE 18%
Thursday Night 57°F Chance Rain Showers 2 mph ESE 25%
Friday 68°F Chance Rain Showers 1 to 5 mph E 25%
Friday Night 59°F Mostly Cloudy 3 mph E 8%

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

Growing snapshot for Melcher-Dallas, IA

Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b

Explore more for Melcher-Dallas, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Knoxville, Ia (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.