5-day weather forecast for Shirley Basin, Wyoming

Weather changeability for Casper, Wyoming

Temperature Last Month Last Year
Average change in high temperature day-to-day 9.2° 7.2°
Average change in low temperature day-to-day 11.5° 8.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 70% 57%
Chance of precip day after a dry day 39% 22%

Weather forecast accuracy for Casper, Wyoming

Last Month
AccuWeather   66.96%
The Weather Channel   65.77%
Weather Underground   65.77%
Foreca   65.48%
MeteoGroup   63.69%
Dark Sky (forecast.io)   58.93%
NWS Digital Forecast   58.02%
World Weather Online   41.96%
Persistence   30.95%
Last Year
Foreca   74.54%
MeteoGroup   74.47%
Weather Underground   74.28%
The Weather Channel   74.25%
AccuWeather   72.68%
NWS Digital Forecast   71.03%
Dark Sky (forecast.io)   64.23%
World Weather Online   57.29%
Persistence   44.97%

ForecastAdvisor Fact

30.2% of World Weather Online's low temperature forecasts for Casper were off by more than 10 degrees last year.