Weather WorldLake Arthur, MN 7-Day Night Weather Forecast
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Lake Arthur, MN Weather Forecast
Lake Arthur, MN Weather Forecast Date: 737 PM CDT Tue Aug 18 2026
The area/counties/county of: East Polk, including the city of Fosston.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 40s. Northwest winds around 5 mph shifting to the south after midnight.
Wednesday... Sunny. Highs 75 to 80. Southwest winds around 5 mph shifting to the northwest in the afternoon.
Wednesday Night... Partly cloudy. A chance of showers and a slight chance of thunderstorms after midnight. Lows in the mid 50s. East winds around 5 mph shifting to the south after midnight. Chance of rain 50%.
Thursday... Mostly sunny with a slight chance of showers and thunderstorms. Highs 80 to 85. Chance of rain 20%.
Thursday Night... Partly cloudy. Lows in the mid 50s.
Friday... Mostly clear. Highs 75 to 80. Lows 50 to 55.
Saturday... Mostly clear. Highs 75 to 80. Lows 50 to 55.
Saturday Night... Partly cloudy. Lows 50 to 55.
Sunday... Partly sunny. Highs 75 to 80.
Sunday Night... Partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows 55 to 60.
Monday... Partly sunny in the morning then clearing. A slight chance of showers. Highs 80 to 85.
Monday Night... Mostly clear. A slight chance of showers. Lows 55 to 60.
POP = Probability of Precipitation
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