Point Forecast: 4 Miles WNW Big Sky MT
 45.29N 111.41W (Elev. 7917 ft)
Last Update: 8:40 pm MDT Jul 13, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-ft)
Grassland Fire Danger Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (MDT)222300010203040506070809101112131415161718192021
Temperature (°F)656362605958565655555862666871737475767474736965
Dewpoint (°F)434445434344434342434445464544444241414040404043
Heat Index (°F)7576
Surface Wind (mph)53333333333556789101099877
Wind DirNWNWSWSSWSSWWSWWWSWSWSWWWNWWWWWWNWWWNWNWNNWN
Gust18202121212220
Sky Cover (%)22302816125475711144351593557585760
Precipitation Potential (%)87100000000000345891434343434
Relative Humidity (%)455053545660616262655953484338353129292930303545
Rain----------------------------------------ChcChcChcChc
Thunder----------------------------------------ChcChcChcChc

Date07/15
Hour (MDT)222300010203040506070809101112131415161718192021
Temperature (°F)615958565452515150505152545759605958575654525048
Dewpoint (°F)444647474746474748484950515253535352525150494847
Heat Index (°F)
Surface Wind (mph)776665555556668881010109999
Wind DirNNNNNNENENENNENNENNENNENNENNENNWNNWNNWNNNNNENNENNENNE
Gust18181821212122222222
Sky Cover (%)606059595933333340404039393994949495959587878788
Precipitation Potential (%)343412121212121216161616161678787878787868686868
Relative Humidity (%)536267727680848891939493898379787981818284889295
RainChcChc------------SChcSChcSChcSChcSChcSChcOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLkly
ThunderChcChc------------------------SChcSChcSChcSChcSChcSChcChcChcChcChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph