Weather WorldJohnson Reservoir, MT 7-Day Weather Forecast
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Johnson Reservoir Weather Forecast
Johnson Reservoir, MT Weather Forecast Date: 1235 AM MDT Sun Oct 11 2026
Weather forecast for Johnson Reservoir, MT
Tonight Lo: 39°F Lo: 4°C |
Tonight... Cloudy with a 40% chance of rain. Lows in the upper 30s. North wind around 15 mph. |
| Sun Hi: 49°FHi: 9°C Lo: 35°F Lo: 2°C |
Sunday... Rain. Patchy fog. Cooler with highs in the upper 40s. Northeast wind 10 to 15 mph. Chance of rain near 100%. |
| Columbus Day Hi: 45°FHi: 7°C Lo: 31°F Lo: -1°C |
Columbus Day... Patchy fog in the morning. Rain. Highs in the mid 40s. North wind 10 to 15 mph. Chance of rain near 100%. |
Tue Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Tuesday... Partly sunny. Highs in the mid 50s. |
Wed Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Wednesday... Partly cloudy. Lows in the lower 30s. Highs in the upper 50s. |
| Thu Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Thursday... Partly cloudy. Lows in the upper 30s. Highs in the upper 50s. |
Fri Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Friday... Mostly clear. Highs in the mid 50s. Lows in the lower 30s. |
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