Point Forecast: Grand Blanc MI
 42.91N 83.62W (Elev. 846 ft)
Last Update: 7:49 pm EDT Jul 16, 2025
Tabular Forecast
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Weather ElementsFire WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

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

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Red Flag Threat Index
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Back 2 Days  

Date07/1607/17
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)807978767675747474737170707171717272737474747472
Dewpoint (°F)737373727272727172717170717271707069696868676664
Heat Index (°F)8583787675
Surface Wind (mph)665667788999101111131311111111111111
Wind DirSSSSSSSSWSSWSWSWWSWWSWWWWNWWNWWNWWNWWNWWNWNWNWNNW
Gust182021222121202020201818
Sky Cover (%)777763505182889384878993959897939185838383837879
Precipitation Potential (%)5221212144444441414141414119131313131333333
Relative Humidity (%)78808590919293939997991001009995938686847976737171
RainChcChcChcChcChcChcChcChcChcChcSChcSChcChc----------------------
ThunderChcChcChcChcChcChcChcSChcSChcSChc----------------------------

Date07/18
Hour (EDT)192021222300010203040506070809101112131415161718
Temperature (°F)717067646260605957565656585962656870727374767676
Dewpoint (°F)636160595857565554545354545556565656565656565757
Heat Index (°F)767676
Surface Wind (mph)1087665533333333555555555
Wind DirNNNNNENNENNENENENENENENEENEENEENEEEEEEEEEE
Gust
Sky Cover (%)777944464636332925211718192018151316182120201918
Precipitation Potential (%)333333322222211111122222
Relative Humidity (%)727278828685868890919191898679726661585553525152
Rain------------------------------------------------
Thunder------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous WeatherRegional Temp/Precip