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Great Falls, MT
 
 
 Point Forecast: Lewistown MT
 47.07N 109.43W (Elev. 3898 ft)
Last Update: 2:43 pm MDT May 11, 2021
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

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

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

48-Hour Period Starting:       Back 2 Days  

Date05/1105/12
Hour (MDT)151617181920212223000102030405060708091011121314
Temperature (°F)565654535248454241403938373837373942454951535457
Dewpoint (°F)293133323334353536353433333434353637383837363735
Wind Chill (°F)474338393837363434333336384246
Surface Wind (mph)667663563333355556678888
Wind DirWSWWSSSWSSWSSWWSWSSWWWWSWWSWWSWWSWWSWWWWWNWWNWWNWWNWWNW
Gust
Sky Cover (%)536358726650584751485051636468605055433735272633
Precipitation Potential (%)3247402823141074551230168522222411
Relative Humidity (%)363844454959697581838283878790918882766659535244
RainChcChcChcChcSChc--------------ChcSChc--------------------
ThunderSChcSChcSChcSChcSChc--------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date05/13
Hour (MDT)151617181920212223000102030405060708091011121314
Temperature (°F)575858585653494746454444444343434548515355565758
Dewpoint (°F)343333323333343435343434353536373839404040393838
Wind Chill (°F)474544424141414040404346
Surface Wind (mph)877555555666555555555999
Wind DirNWNWNWNNNEEESSESSESSESSESSESSESSWSSWSSWWWWWNWWNWWNW
Gust
Sky Cover (%)242433585858666666686868767676797979575757595959
Precipitation Potential (%)110222222999999212121212121383838
Relative Humidity (%)423938374147566164656769717477787671666156524947
Rain------------------------------SChcSChcSChcSChcSChcSChcChcChcChc
Thunder------------------------------------------SChcSChcSChc
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

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