Weather forecast accuracy details for Letcher, South 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   51.76% 73.81% 96.47% 98.82% 80.22%
The Weather Channel   51.72% 68.97% 96.55% 96.55% 78.45%
Foreca/Vaisala   43.68% 72.41% 91.95% 91.95% 75.00%
Weatherbit   42.53% 68.97% 90.80% 90.80% 73.28%
NWS Digital Forecast   50.00% 75.00% 83.33% 83.33% 72.92%
AccuWeather   46.99% 65.85% 86.75% 86.75% 71.58%
AerisWeather   48.28% 64.37% 78.16% 78.16% 67.24%
Wetter   32.18% 49.43% 85.06% 95.40% 65.52%
Pirate Weather   50.57% 25.29% 93.10% 93.10% 65.52%
Open-Meteo   49.43% 47.13% 82.76% 82.76% 65.52%
World Weather Online   39.08% 47.13% 86.21% 86.21% 64.66%
OpenWeather   35.63% 29.89% 89.66% 89.66% 61.21%
Persistence   13.11% 20.63% 86.89% 86.89% 51.88%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   68.95% 67.21% 87.12% 87.12% 77.60%
Microsoft   71.54% 65.84% 85.10% 85.10% 76.90%
Foreca/Vaisala   67.76% 64.93% 85.75% 85.75% 76.05%
AerisWeather   67.49% 60.09% 85.21% 85.21% 74.50%
AccuWeather   69.00% 65.34% 82.75% 80.85% 74.49%
NWS Digital Forecast   68.40% 60.70% 77.27% 77.27% 70.91%
Weatherbit   62.62% 60.75% 78.13% 78.13% 69.91%
Wetter   52.15% 46.30% 83.93% 83.29% 66.42%
Pirate Weather   55.49% 30.49% 83.42% 83.42% 63.21%
OpenWeather   46.48% 35.98% 79.54% 79.54% 60.39%
World Weather Online   42.88% 49.67% 72.49% 72.49% 59.38%
Persistence   26.50% 25.15% 62.12% 62.12% 43.98%

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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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