5-day weather forecast for Mentor, Minnesota

Weather forecast accuracy details for Grand Forks, North Dakota

These are the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). Temperature accuracy is the percentage of forecasts within three degrees. Precipitation accuracy is the percentage of correct forecasts. The forecasts are collected in the evening.

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Weather Forecast Accuracy Data Last Month
Provider High Temp Low Temp Icon Precip Text Precip Overall
MeteoGroup   83.33% 75.56% 86.67% 86.67% 83.06%
Weather Underground   79.55% 70.45% 88.64% 88.64% 81.82%
The Weather Channel   78.89% 67.78% 88.89% 88.89% 81.11%
AccuWeather   83.33% 67.78% 86.67% 84.44% 80.56%
National Weather Service   87.36% 62.07% 82.76% 82.76% 78.74%
Dark Sky (forecast.io)   85.56% 64.44% 82.22% 82.22% 78.61%
WeatherBug   82.22% 61.11% 84.44% 84.44% 78.06%
CustomWeather   84.44% 63.33% 76.67% 76.67% 75.28%
Foreca   80.00% 55.56% 71.11% 71.11% 69.44%
Persistence   48.28% 32.18% 58.62% 58.62% 49.43%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   63.92% 54.22% 76.57% 76.57% 67.82%
MeteoGroup   64.01% 54.08% 76.20% 76.40% 67.67%
Foreca   62.29% 53.75% 74.83% 74.83% 66.42%
National Weather Service   61.36% 49.85% 75.40% 74.80% 65.35%
WeatherBug   58.02% 48.23% 75.94% 75.94% 64.53%
Weather Underground   59.39% 49.36% 76.01% 73.35% 64.53%
AccuWeather   57.35% 48.24% 74.12% 73.53% 63.31%
CustomWeather   59.02% 45.69% 71.47% 71.27% 61.86%
Persistence   32.40% 22.73% 59.90% 59.90% 43.73%
 
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The data here is calculated from forecasts and observations collected and analyzed by ForecastWatch. If you would like more information about the methods, scientific approach, and the quality controls employed to ensure the data and analyses are of the highest quality, please read this white paper.

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