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Defiance, IA Weather Forecast
Defiance, IA Weather Forecast Date: 732 AM CST Fri Nov 13 2026
The area/counties/county of: Shelby, including the city of Harlan.or toggle through each period.
Today... Sunny. Highs in the lower 40s. Northeast winds around 5 mph.
Tonight... Clear, cold with lows around 20. East winds around 5 mph in the evening, becoming light and variable.
Saturday... Sunny. Highs in the mid 40s. Southeast winds 5 to 10 mph.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. Southeast winds around 5 mph.
Sunday... Sunny. Highs in the mid 40s. South winds around 5 mph.
Sunday Night... Clear. Lows in the mid 20s.
Monday... Sunny. Highs in the upper 40s.
Monday Night... Mostly clear. Lows in the lower 30s.
Tuesday... Mostly sunny. Highs in the lower 50s.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.
Wednesday... Partly sunny. Highs in the mid 50s.
Wednesday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s.
POP = Probability of Precipitation
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