Weather WorldSouth Side Reservoir, MT 7-Day Weather Forecast
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South Side Reservoir Weather Forecast
South Side Reservoir, MT Weather Forecast Date: 952 PM MDT Thu Aug 27 2026
Weather forecast for South Side Reservoir, MT
Tonight Lo: 51°F Lo: 11°C |
Tonight... Mostly cloudy. Patchy smoke late in the evening. Lows in the lower 50s. South winds 5 to 15 mph. |
Fri Hi: 68°FHi: 20°C Lo: 49°F Lo: 9°C |
Friday... Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 63 to 71. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 50%. |
| Sat Hi: 66°FHi: 19°C Lo: 45°F Lo: 7°C |
Saturday... Mostly cloudy. Rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 61 to 69. South winds 5 to 20 mph. Chance of precipitation 90%. |
| Sun Hi: 64°FHi: 18°C Lo: 41°F Lo: 5°C |
Sunday... Partly sunny with chance of rain showers and slight chance of thunderstorms. Highs 59 to 67. Chance of precipitation 50%. |
Mon Hi: 68°FHi: 20°C Lo: 45°F Lo: 7°C |
Monday... Sunny. Highs 63 to 71. |
| Tue Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 65 to 73. Chance of precipitation 40%. |
Wed Hi: 67°FHi: 19°C Lo: 45°F Lo: 7°C |
Wednesday... Breezy. Mostly sunny with a 20% chance of rain showers. Highs 62 to 70. |
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