County Forecast for Harmony , MN
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180800-
Fillmore-
Including the city of Preston
736 PM CDT Mon Aug 17 2026

Tonight   Partly cloudy this evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday   Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the mid 70s. West winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday night   Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Northwest winds around 5 mph. Chance of rain 40 percent.
Wednesday   Mostly sunny. Highs in the mid 70s. Light winds.
Wednesday night   Partly cloudy. Lows in the upper 50s. Light winds.
Thursday   Mostly sunny. Highs in the upper 70s.
Thursday night   Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
Friday   Mostly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
Friday night   Partly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
Saturday through monday   Partly cloudy. Highs in the mid 70s. Lows in the upper 50s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Two Fronts to Continue Tuesday
Posted at 12:43PM Mon Aug 17, 2026 CDT
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