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Source Lake, MN 7-Day Night Weather Forecast
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Source Lake, MN Weather Forecast
Source Lake, MN Weather Forecast Date: 851 PM CDT Sun Sep 20 2026
The area/counties/county of: Northern Cook And Lake, including the city of Isabella.or toggle through each period.
Rest of Tonight... Mostly cloudy. Cooler with lows in the mid 30s. Southeast winds around 5 mph.
Monday... Mostly cloudy in the morning, then becoming mostly sunny. Highs around 60. Southeast winds around 5 mph.
Monday Night... Mostly clear. Patchy frost after midnight. Lows in the mid 30s. Southeast winds around 5 mph.
Tuesday... Patchy frost in the morning. Sunny. Highs around 60. Southeast winds around 5 mph.
Tuesday Night... Mostly clear. Lows in the upper 30s. Southeast winds around 5 mph.
Wednesday... Mostly clear. Highs in the lower 60s. Lows around 40.
Wednesday Night... Mostly clear. Highs in the lower 60s. Lows around 40.
Thursday... Mostly cloudy. A 20% chance of showers. Highs in the lower 60s. Lows in the mid 40s.
Thursday Night... Mostly cloudy. A 20% chance of showers. Highs in the lower 60s. Lows in the mid 40s.
Friday... Mostly cloudy. Highs in the upper 60s. Lows in the upper 40s.
Friday Night... Mostly cloudy. Highs in the upper 60s. Lows in the upper 40s.
Saturday... Mostly cloudy with a 20% chance of showers. Highs in the mid 60s.
Saturday Night... Mostly cloudy. A 40% chance of showers. Lows in the upper 40s. Highs in the mid 60s.
POP = Probability of Precipitation
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