Lake Sylvan, MT 7-Day Weather Forecast
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Lake Sylvan Weather Forecast


Lake Sylvan, MT Weather Forecast Date: 350 AM MDT Mon Oct 19 2026
Weather forecast for Lake Sylvan, MT
| Today Hi: 65°FHi: 18°C Lo: 30°F Lo: -1°C |
Today... Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph. |
| Tue Hi: 61°FHi: 16°C Lo: 30°F Lo: -1°C |
Tuesday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the lower 60s. Southwest winds 5 to 10 mph. |
| Wed Hi: 65°FHi: 18°C Lo: 31°F Lo: -1°C |
Wednesday... Mostly sunny. Highs in the mid 60s. Southeast winds 5 to 10 mph in the morning shifting to the southwest in the afternoon. |
| Thu Hi: 65°FHi: 18°C Lo: 31°F Lo: -1°C |
Thursday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the mid 60s. |
| Fri Hi: 49°FHi: 9°C Lo: 21°F Lo: -6°C |
Friday... Rain and snow showers in the morning, then snow showers in the afternoon. Cooler. Highs in the upper 40s. Chance of precipitation 100%. |
| Sat Hi: 45°FHi: 7°C Lo: 21°F Lo: -6°C |
Saturday... Mostly sunny. A 20% chance of snow showers in the morning. Highs in the mid 40s. |
| Sun Hi: 55°FHi: 13°C |
Sunday... Mostly sunny with a 20% chance of snow showers. Highs in the mid 50s. |
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