County Forecast for Harmony , MN
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151800-
Fillmore-
Including the city of Preston
557 AM CDT Wed Apr 15 2026

Today   Patchy fog this morning. Mostly cloudy this morning, then partly sunny with a chance of showers and thunderstorms this afternoon. Highs in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.
Tonight   Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Patchy fog after midnight. Lows around 50. Northeast winds around 5 mph. Chance of rain 50 percent.
Thursday   Mostly sunny. Patchy fog in the morning. Highs in the lower 70s. Light winds, becoming south in the afternoon.
Thursday night   Clear in the evening, then becoming partly cloudy. Lows in the mid 50s. South winds 10 to 15 mph.
Friday   Partly sunny. Showers likely and a chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
Friday night   Much colder. Rain showers likely and a chance of thunderstorms. Lows in the mid 30s. Chance of rain 70 percent.
Saturday   Breezy. Much colder. Mostly cloudy in the morning, then becoming partly sunny. A chance of rain showers and snow showers. Highs in the lower 40s. Chance of precipitation 40 percent.
Saturday night and sunday   Partly cloudy. Lows in the upper 20s. Highs in the upper 40s.
Sunday night and monday   Mostly clear. Lows around 30. Highs around 60.
Monday night   Not as cool. Partly cloudy. Lows in the mid 40s.
Tuesday   Mostly sunny. Highs in the upper 60s.
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Bryce Anderson – DTN Meteorologist
More Storms From Southern Plains to Midwest Wednesday
Posted at 12:23PM Tue Apr 14, 2026 CDT
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