Point Forecast: Harsens Island MI
 42.58N 82.57W (Elev. 577 ft)
Last Update: 5:13 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)797776757474737271697069707376788081828283838382
Dewpoint (°F)707069696968676564636364646363626162616161606162
Heat Index (°F)8277767576788182828383848383
Surface Wind (mph)333333333555555655555521
Wind DirWWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNWNWNWWNWWNWWWWWWNWN
Gust
Sky Cover (%)6042515662667072726858462497445542223
Precipitation Potential (%)19136333333333555555333333
Relative Humidity (%)737780848484827980827984807165595452494847464851
RainSChc----------------------------------------------
ThunderSChc----------------------------------------------

Date07/15
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)827976747372707069697071737578818384858686868583
Dewpoint (°F)646464656565666565656667686869696868676767686868
Heat Index (°F)8379767578848687888990898887
Surface Wind (mph)223322322221122355666666
Wind DirSSESESESSESSSSSSSESESESESSESSSSESSESSESSESSESSESSE
Gust
Sky Cover (%)4574344567911131186811181818182226
Precipitation Potential (%)000000000000222222555555
Relative Humidity (%)566168747781848788888888858073676258555453545660
Rain------------------------------------------------
Thunder------------------------------------------------

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