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


Jay Lake, MT Weather Forecast Date: 1236 PM MDT Mon Sep 07 2026
Weather forecast for Jay Lake, MT
| Today Hi: 59°FHi: 15°C Lo: 30°F Lo: -1°C |
Rest of Today... Sunny, cooler. Highs in the upper 50s. Southwest winds 15 to 25 mph with gusts to around 40 mph. |
| Tue Hi: 61°FHi: 16°C Lo: 30°F Lo: -1°C |
Tuesday... Sunny. A 20% chance of rain showers late in the afternoon. Highs in the lower 60s. West winds 10 to 20 mph. |
| Wed Hi: 69°FHi: 21°C Lo: 35°F Lo: 2°C |
Wednesday... Sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 39°F Lo: 4°C |
Thursday... Sunny. Highs in the lower 70s. |
| Fri Hi: 65°FHi: 18°C Lo: 31°F Lo: -1°C |
Friday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the mid 60s. |
| Sat Hi: 65°FHi: 18°C Lo: 31°F Lo: -1°C |
Saturday... Mostly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 30%. |
| Sun Hi: 59°FHi: 15°C Lo: 29°F Lo: -2°C |
Sunday... Partly sunny. Chance of snow showers through the day. Chance of rain showers in the late morning and afternoon. Slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 40%. |
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