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Grotto Lake, MN Weather Forecast
Grotto Lake, MN Weather Forecast Date: 938 AM CDT Mon Aug 31 2026
The area/counties/county of: West Otter Tail, including the city of Fergus Falls.or toggle through each period.
Rest of Today... Sunny. Highs 80 to 85. West winds 5 to 15 mph.
Tonight... Mostly clear. Lows 55 to 60. Southwest winds up to 10 mph.
Tuesday... Mostly sunny in the morning, then cloudy. Highs 75 to 80. West winds 5 to 15 mph.
Tuesday Night... Mostly cloudy with a 20% chance of showers. Lows 60 to 65.
Wednesday... Mostly sunny. Highs 80 to 85.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s.
Thursday... Mostly sunny. Highs in the mid 80s.
Thursday Night... Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 60s.
Friday... Mostly clear. Highs 85 to 90. Lows 65 to 70.
Friday Night... Mostly clear. Highs 85 to 90. Lows 65 to 70.
Saturday... Mostly sunny. Highs in the mid 80s.
Saturday Night... Partly cloudy. A chance of showers. Lows in the mid 60s.
POP = Probability of Precipitation
Grotto Lake Radar Loop
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