Weather WorldNightmare Lake, MT 7-Day Weather Forecast
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Nightmare Lake Weather Forecast
Nightmare Lake, MT Weather Forecast Date: 350 AM MDT Fri Sep 11 2026
Weather forecast for Nightmare Lake, MT
Today Hi: 65°FHi: 18°C Lo: 30°F Lo: -1°C |
Today... Increasing clouds. Slight chance of showers and thunderstorms early in the afternoon. Chance of rain showers and slight chance of thunderstorms late in the afternoon. Highs in the mid 60s. West winds 10 to 20 mph. Chance of precipitation 30%. |
| Sat Hi: 69°FHi: 21°C Lo: 35°F Lo: 2°C |
Saturday... Decreasing clouds. Highs in the upper 60s. Southwest winds 5 to 15 mph. |
Sun Hi: 61°FHi: 16°C Lo: 29°F Lo: -2°C |
Sunday... Mostly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the lower 60s. South winds 5 to 15 mph. Gusts up to 40 mph in the afternoon. Chance of precipitation 40%. |
Mon Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Monday... Mostly sunny. Highs in the mid 50s. |
| Tue Hi: 61°FHi: 16°C Lo: 30°F Lo: -1°C |
Tuesday... Sunny. Highs in the lower 60s. |
| Wed Hi: 61°FHi: 16°C Lo: 30°F Lo: -1°C |
Wednesday... Sunny. Highs in the lower 60s. |
| Thu Hi: 65°FHi: 18°C |
Thursday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the mid 60s. |
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