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Mirth Lake, MN Weather Forecast
Mirth Lake, MN Weather Forecast Date: 305 AM CDT Tue Oct 13 2026
The area/counties/county of: Northern Cook And Lake, including the city of Isabella.or toggle through each period.
Today... Patchy fog this morning. Cloudy with a slight chance of very light drizzle. Highs in the upper 40s. North winds around 5 mph, becoming west around 5 mph this afternoon.
Tonight... Mostly cloudy. Lows in the upper 30s. Northwest winds around 5 mph. Gusts up to 20 mph after midnight.
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s. Northwest winds around 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 30s. North winds around 5 mph in the evening, becoming light and variable.
Thursday... Mostly cloudy. A slight chance of rain showers in the afternoon. Highs in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20%.
Thursday Night... Mostly cloudy with a 50% chance of rain showers. Lows in the lower 30s.
Friday... Partly sunny in the morning, then clearing. Highs in the mid 40s.
Friday Night... Mostly clear. Lows in the mid 20s. Highs in the mid 50s.
Saturday... Mostly clear. Lows in the mid 20s. Highs in the mid 50s.
Saturday Night... Mostly clear. Lows in the mid 30s.
Sunday... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
Sunday Night... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
POP = Probability of Precipitation
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