Weather WorldChain Lake, MT 7-Day Weather Forecast
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Chain Lake Weather Forecast
Chain Lake, MT Weather Forecast Date: 337 PM MDT Sat Aug 15 2026
Weather forecast for Chain Lake, MT
Tonight Lo: 43°F Lo: 6°C |
Tonight... Mostly cloudy with chance of thunderstorms early in the evening, then partly cloudy with slight chance of rain showers in the late evening and early morning. Partly cloudy late in the night. Patchy fog late in the night. Lows 37 to 47. South winds up to 10 mph. Chance of precipitation 50%. |
Sun Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Sunday... Partly sunny. Patchy fog in the morning. A 20% chance of thunderstorms in the afternoon. Highs 64 to 74. Southwest winds up to 10 mph. |
Mon Hi: 72°FHi: 22°C Lo: 47°F Lo: 8°C |
Monday... Partly sunny. Highs 66 to 76. Southwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. |
| Tue Hi: 69°FHi: 21°C Lo: 46°F Lo: 8°C |
Tuesday... Partly sunny. A 50% chance of thunderstorms in the afternoon. Highs 63 to 73. |
Wed Hi: 70°FHi: 21°C Lo: 46°F Lo: 8°C |
Wednesday... Partly cloudy. Highs 64 to 74. Lows 40 to 50. |
Thu Hi: 74°FHi: 23°C Lo: 49°F Lo: 9°C |
Thursday... Sunny. Highs 68 to 78. |
| Fri Hi: 77°FHi: 25°C Lo: 51°F Lo: 11°C |
Friday... Mostly sunny. A 20% chance of thunderstorms in the afternoon. Highs 71 to 81. |
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