Weather forecast accuracy details for Fort Smith, Arkansas

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 (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   77.42% 80.65% 86.02% 86.02% 82.53%
AerisWeather   76.34% 83.87% 83.87% 83.87% 81.99%
AccuWeather   74.19% 78.49% 82.80% 82.80% 79.57%
The Weather Channel   77.42% 79.57% 80.65% 80.65% 79.57%
Dark Sky   69.89% 80.65% 82.80% 82.80% 79.03%
Foreca/Vaisala   68.82% 70.97% 82.80% 82.80% 76.34%
Weatherbit   75.28% 50.56% 88.76% 88.76% 75.84%
NWS Digital Forecast   76.67% 81.11% 72.22% 72.22% 75.56%
Wetter   64.52% 58.06% 86.02% 86.02% 73.66%
Weather News   64.52% 67.74% 77.42% 77.42% 71.77%
OpenWeather   68.82% 34.41% 75.27% 75.27% 63.44%
World Weather Online   59.14% 47.31% 73.12% 73.12% 63.17%
Persistence   30.30% 35.38% 50.00% 50.00% 41.42%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.90% 84.31% 86.94% 86.94% 84.02%
Weather Underground   77.81% 84.22% 84.26% 84.26% 82.64%
Foreca/Vaisala   72.79% 81.15% 88.17% 87.59% 82.43%
Dark Sky   75.30% 79.20% 84.54% 84.54% 80.89%
AccuWeather   76.53% 83.69% 80.04% 81.09% 80.33%
AerisWeather   76.63% 80.73% 78.18% 78.18% 78.43%
NWS Digital Forecast   76.85% 80.69% 73.08% 73.08% 75.93%
Weather News   69.36% 71.49% 73.06% 73.06% 71.74%
Wetter   57.10% 59.70% 80.46% 80.46% 69.43%
Weatherbit   46.17% 54.68% 81.09% 81.09% 65.76%
World Weather Online   51.35% 55.15% 74.81% 74.81% 64.03%
OpenWeather   58.31% 41.78% 76.85% 76.85% 63.45%
Persistence   32.82% 36.57% 61.78% 61.78% 48.24%

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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 overview.

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