5-day weather forecast for Great Falls, Montana
Today
50°
66°
Slight Chance Thunderstorms
Friday
43°
64°
Chance Thunderstorms
Saturday
45°
63°
Chance Rain
Showers
Showers
Sunday
48°
71°
Partly Sunny
Monday
49°
74°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Great Falls, Montana
Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.
Weather forecast accuracy for Great Falls, Montana
| The Weather Channel | 65.28% |
| NWS Digital Forecast | 63.06% |
| AccuWeather | 62.50% |
| Weather Underground | 62.50% |
| National Weather Service | 62.36% |
| Intellicast | 61.11% |
| CustomWeather | 61.11% |
| World Weather Online | 51.15% |
| Persistence | 33.89% |
| The Weather Channel | 70.41% |
| AccuWeather | 67.33% |
| CustomWeather | 66.38% |
| Intellicast | 63.96% |
| NWS Digital Forecast | 63.01% |
| National Weather Service | 58.99% |
| Persistence | 46.10% |
ForecastAdvisor Fact
29.9% of World Weather Online's high temperature forecasts for Great Falls were off by more than 10 degrees last month.