Grattan, MN 7-Day Night Weather Forecast
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Grattan, MN Weather Forecast


Grattan, MN Weather Forecast Date: 341 PM CDT Sun Sep 06 2026
The area/counties/county of: North Itasca, including the city of Bigfork.or toggle through each period.
This Afternoon... Partly sunny and warmer. Near steady temperature around 80. South winds around 5 mph.
Tonight... Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 50%.
Labor Day... Mostly cloudy with 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. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50%.
Monday Night... A chance of thunderstorms. Showers with lows in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80%.
Tuesday... Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20%.
Tuesday Night... Mostly clear. Lows in the mid 50s.
Wednesday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s.
Wednesday Night... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s.
Thursday... Mostly clear. Highs in the mid 70s. Lows in the mid 50s.
Thursday Night... Mostly clear. Highs in the mid 70s. Lows in the mid 50s.
Friday... Mostly sunny. Highs in the mid 70s.
Friday Night... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 40s. Chance of rain 20%.
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