Weather WorldPetrolia Lake, MT 7-Day Weather Forecast
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Petrolia Lake Weather Forecast
Petrolia Lake, MT Weather Forecast Date: 101 AM MDT Fri Aug 21 2026
Weather forecast for Petrolia Lake, MT
Tonight Lo: 59°F Lo: 15°C |
Tonight... Partly cloudy. Lows in the upper 50s. Northwest wind around 5 mph. |
Fri Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Friday... Sunny. Highs in the upper 80s. North wind 5 to 10 mph, becoming northeast in the afternoon. |
Sat Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Saturday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 90s. Southeast wind 5 to 10 mph, increasing to around 15 mph in the afternoon. |
Sun Hi: 95°FHi: 35°C Lo: 61°F Lo: 16°C |
Sunday... A chance of showers. Hot with highs in the mid 90s. |
| Mon Hi: 85°FHi: 29°C Lo: 55°F Lo: 13°C |
Monday... Sunny. Highs in the mid 80s. |
| Tue Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Tuesday... Sunny. Highs in the lower 80s. |
Wed Hi: 89°FHi: 32°C Lo: 59°F Lo: 15°C |
Wednesday... Partly cloudy. Lows in the mid 50s. Highs in the upper 80s. |
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