Point Forecast: Grand Blanc MI
 42.91N 83.62W (Elev. 846 ft)
Last Update: 4:24 pm EDT Jun 18, 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  

Date06/1806/19
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)777673717069686869666564626362636465686970737374
Dewpoint (°F)697069696868676767666564626261616161616161626261
Heat Index (°F)7776
Surface Wind (mph)7889910111314141414141414141413131111111010
Wind DirSSESSESESSESSESSSSWSWSWWSWWWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNWWNW
Gust1821222425252424232322222121212020181818
Sky Cover (%)9597100999897969594939393939393898682797572666054
Precipitation Potential (%)4155851009688797167676767676757575757575730303030
Relative Humidity (%)76818792949596959310099991009697949086817674686965
RainChcLklyOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyChcChcChcChc
ThunderChcLklyLklyLklyLklyLklyLklyLklySChcSChcSChc------SChcSChcSChcSChcSChcSChcChcChcChcChc

Date06/20
Hour (EDT)181920212223000102030405060708091011121314151617
Temperature (°F)737373706766646362616059606263677275777879808181
Dewpoint (°F)626261626161606059595858596062636465656666666666
Heat Index (°F)75777879828383
Surface Wind (mph)9887766665556667789910101010
Wind DirWWWWWWWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust1820202018
Sky Cover (%)484236322824191511141619212426282931384653545455
Precipitation Potential (%)303077777777777711111111111118181818
Relative Humidity (%)686768768185879093949596959595857671686564626161
RainChcChc------------------------------------SChcSChcSChcSChc
ThunderChcChc------------------------------------SChcSChcSChcSChc

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