5-day weather forecast for Big Arm, Montana
Today
45°
60°
Chance Rain
Tuesday
34°
58°
Chance Rain
Wednesday
31°
54°
Mostly cloudy
Thursday
29°
51°
Chance Snow
Showers
Showers
Friday
23°
45°
Chance Rain/Snow
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Columbia Falls, Montana
| Intellicast | 72.32% |
| The Weather Channel | 72.05% |
| Accuweather | 70.43% |
| NWS Digital Forecast | 69.89% |
| National Weather Service | 52.53% |
| MyForecast | 50.40% |
| Accuweather | 66.63% |
| The Weather Channel | 65.75% |
| NWS Digital Forecast | 63.07% |
| Intellicast | 60.24% |
| MyForecast | 51.34% |
ForecastAdvisor Fact
On average, Accuweather's high temperature forecasts for Columbia Falls were off by 3.41 degrees last month.