Farmers Union Cooperative

	County Forecast for Fort Atkinson , IA

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210000-
Winneshiek-
Including the city of Decorah
1147 AM CDT Fri Mar 20 2026

This afternoon   Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.
Tonight   Partly cloudy. Lows in the lower 40s. Northeast winds around 5 mph, becoming southeast after midnight.
Saturday   Mostly sunny. Warmer with highs in the upper 70s. South winds 10 to 15 mph, becoming southwest in the afternoon.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Southwest winds 5 to 10 mph, becoming north 10 to 15 mph after midnight.
Sunday   Much cooler. Mostly cloudy in the morning, then becoming partly sunny. Near steady temperature in the upper 40s. North winds 10 to 20 mph.
Sunday night and monday   Partly cloudy. Lows in the upper 20s. Highs in the upper 40s.
Monday night through wednesday   Mostly cloudy. Lows in the mid 30s. Highs in the lower 50s.
Wednesday night   Mostly cloudy. Lows around 40.
Thursday   Mostly cloudy in the morning, then becoming mostly sunny. A 30 percent chance of rain showers. Highs in the mid 50s.

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Bryce Anderson – DTN Meteorologist

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Warmth Continues to Build Friday

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Posted at 5:35AM Fri Mar 20, 2026 CDT

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