Weather forecast accuracy details for Saint Charles, 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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   63.74% 55.56% 84.62% 86.81% 72.68%
The Weather Channel   51.61% 60.22% 88.17% 88.17% 72.04%
Weatherbit   41.94% 60.22% 83.87% 84.95% 67.74%
NWS Digital Forecast   46.24% 61.29% 77.42% 77.42% 65.59%
AccuWeather   41.11% 56.67% 81.11% 81.11% 65.00%
Wetter   35.48% 41.94% 90.32% 90.32% 64.52%
Foreca/Vaisala   45.16% 54.84% 78.49% 78.49% 64.25%
AerisWeather   38.71% 45.16% 86.02% 86.02% 63.98%
Open-Meteo   39.78% 46.24% 81.72% 81.72% 62.37%
Pirate Weather   35.48% 35.48% 86.02% 86.02% 60.75%
World Weather Online   40.86% 39.78% 74.19% 74.19% 57.26%
OpenWeather   35.48% 29.03% 78.49% 78.49% 55.38%
Persistence   10.61% 26.47% 74.24% 74.24% 46.39%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   70.62% 71.72% 85.77% 85.77% 78.47%
Microsoft   69.77% 68.88% 85.52% 85.52% 77.42%
AccuWeather   68.86% 69.33% 82.76% 82.57% 75.88%
Foreca/Vaisala   68.32% 68.14% 80.72% 80.72% 74.47%
AerisWeather   66.39% 63.09% 83.93% 83.93% 74.33%
NWS Digital Forecast   67.41% 57.47% 78.44% 78.44% 70.44%
Weatherbit   61.81% 62.84% 73.86% 73.86% 68.09%
Wetter   55.46% 51.61% 82.64% 81.54% 67.81%
Pirate Weather   59.48% 31.95% 85.45% 85.45% 65.58%
World Weather Online   51.78% 50.62% 74.45% 74.45% 62.82%
OpenWeather   54.82% 37.74% 77.69% 77.69% 61.98%
Persistence   26.46% 25.09% 54.43% 54.43% 40.10%

If this data feeds your inner weather geek, you'll probably be interested in the amazing amount of weather data available from ForecastWatch. Likewise, if you're looking to assess your own forecasting accuracy or would like to make more informed decisions about a weather provider you're considering or already use, we can provide data to help you.

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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