Rat Lake, MT 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Rat Lake Weather Forecast


Rat Lake, MT Weather Forecast Date: 722 PM MDT Tue Oct 20 2026
Weather forecast for Rat Lake, MT
| Tonight Lo: 37°F Lo: 3°C |
Tonight... Partly cloudy. Lows 33 to 39. Southeast winds up to 10 mph. |
| Wed Hi: 56°FHi: 13°C Lo: 39°F Lo: 4°C |
Wednesday... Mostly sunny. Highs 50 to 60. South winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts up to 30 mph. |
| Thu Hi: 57°FHi: 14°C Lo: 38°F Lo: 3°C |
Thursday... Mostly sunny. Highs 51 to 61. South winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph in the afternoon. |
| Fri Hi: 42°FHi: 6°C Lo: 25°F Lo: -4°C |
Friday... Colder. Rain showers and slight chance of thunderstorms in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Heavy snow accumulations. Highs 38 to 44. Chance of precipitation near 100%. |
| Sat Hi: 42°FHi: 6°C Lo: 25°F Lo: -4°C |
Saturday... Partly cloudy. Highs 34 to 48. Lows in the mid 20s. |
| Sun Hi: 42°FHi: 6°C Lo: 25°F Lo: -4°C |
Sunday... Partly cloudy. Highs 34 to 48. Lows in the mid 20s. |
| Mon Hi: 42°FHi: 6°C Lo: 25°F Lo: -4°C |
Monday... Partly cloudy. Highs 34 to 48. Lows in the mid 20s. |
| Mon Hi: 42°FHi: 6°C Lo: 29°F Lo: -2°C |
Monday... Partly cloudy. Highs 34 to 48. Lows in the mid 20s. |
Rat Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World