5-day weather forecast for White Sulphur Springs, Montana

Weather forecast accuracy details for Helena, Montana

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
The Weather Channel   76.19% 42.86% 69.05% 69.05% 64.29%
Intellicast   76.19% 42.86% 69.05% 69.05% 64.29%
World Weather Online   46.34% 28.05% 86.59% 86.59% 61.89%
CustomWeather   75.00% 45.24% 63.10% 63.10% 61.61%
Weather Underground   69.05% 53.57% 71.43% 52.38% 61.61%
NWS Digital Forecast   76.19% 52.38% 51.19% 51.19% 57.74%
AccuWeather   57.14% 39.29% 54.76% 50.00% 50.30%
Persistence   16.67% 21.79% 75.64% 75.64% 47.44%
National Weather Service   11.90% 48.81% 41.67% 41.67% 36.01%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
Intellicast   53.01% 45.65% 74.88% 74.88% 62.11%
The Weather Channel   53.07% 45.50% 74.81% 74.81% 62.05%
CustomWeather   49.86% 47.66% 73.26% 73.26% 61.01%
AccuWeather   49.90% 47.94% 73.35% 71.40% 60.65%
NWS Digital Forecast   53.04% 46.31% 64.71% 64.61% 57.17%
Persistence   27.10% 28.78% 64.42% 64.42% 46.18%
National Weather Service   17.12% 38.27% 58.81% 58.81% 43.25%
 
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