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Castle Lake, MT 7-Day Weather Forecast
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Castle Lake Weather Forecast
Castle Lake, MT Weather Forecast Date: 1101 PM MDT Sat Oct 10 2026
Weather forecast for Castle Lake, MT
Tonight Lo: 30°F Lo: -1°C |
Tonight... Rain late in the evening, then rain and snow overnight. Colder. Little or no snow accumulation in the mountains around cooke city...Except snow accumulation an inch or less in the mountains near red lodge. Lows around 30. East winds 5 to 10 mph. Chance of precipitation 100%. |
Sun Hi: 50°FHi: 10°C Lo: 29°F Lo: -2°C |
Sunday... Rain and slight chance of snow in the morning and early afternoon, then rain late in the afternoon. No snow accumulation in the mountains around cooke city...Except snow accumulation an inch or less in the mountains near red lodge. Highs around 50. East winds 5 to 10 mph. Chance of precipitation 100%. |
| Columbus Day Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Columbus Day... Snow likely early in the morning, then chance of snow late in the morning. Slight chance of rain and snow in the afternoon. Highs in the upper 40s. Southwest winds 5 to 10 mph. Chance of precipitation 60%. |
Tue Hi: 55°FHi: 13°C Lo: 21°F Lo: -6°C |
Tuesday... Partly sunny. Slight chance of snow showers early in the afternoon. Slight chance of rain showers late in the afternoon. Highs in the mid 50s. Chance of precipitation 20%. |
Wed Hi: 55°FHi: 13°C Lo: 25°F Lo: -4°C |
Wednesday... Mostly sunny. Highs in the mid 50s. |
| Thu Hi: 59°FHi: 15°C Lo: 21°F Lo: -6°C |
Thursday... Mostly sunny with a 20% chance of snow showers. Highs in the upper 50s. |
| Fri Hi: 61°FHi: 16°C Lo: 29°F Lo: -2°C |
Friday... Sunny. Highs in the lower 60s. |
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