Weather WorldFirst Lake, MT 7-Day Weather Forecast
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First Lake Weather Forecast
First Lake, MT Weather Forecast Date: 1222 AM MDT Fri Sep 04 2026
Weather forecast for First Lake, MT
Today Hi: 66°FHi: 19°C Lo: 36°F Lo: 2°C |
Today... Becoming partly cloudy in the late morning and afternoon. Rain likely early in the morning. Slight chance of rain late in the morning. Slight chance of showers and thunderstorms late in the afternoon. Areas of fog in the morning. Chance of precipitation 70%. Highs in the 60s to lower 70s. |
| Sat Hi: 66°FHi: 19°C Lo: 40°F Lo: 4°C |
Saturday... Rain likely in the morning, then slight chance of showers and thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 70%. Highs in the mid 60s to lower 70s. |
| Sun Hi: 70°FHi: 21°C Lo: 40°F Lo: 4°C |
Sunday... Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50%. Highs in the upper 60s to mid 70s. |
| Labor Day Hi: 56°FHi: 13°C Lo: 36°F Lo: 2°C |
Labor Day... Rain likely in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Chance of precipitation 90%. Highs in the mid 50s to lower 60s. |
Tue Hi: 65°FHi: 18°C Lo: 36°F Lo: 2°C |
Tuesday... Partly cloudy. A 30% chance of rain in the morning. Highs in the 60s. |
Wed Hi: 70°FHi: 21°C Lo: 40°F Lo: 4°C |
Wednesday... Mostly sunny. Highs in the upper 60s to mid 70s. |
| Thu Hi: 70°FHi: 21°C |
Thursday... Partly cloudy. A 20% chance of rain in the afternoon. Highs in the upper 60s to mid 70s. |
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