Point Forecast: Harsens Island MI
 42.58N 82.57W (Elev. 577 ft)
Last Update: 9:49 pm EDT Jul 14, 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  

Date07/1407/15
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)747271706969676868717680818385868687868685828077
Dewpoint (°F)656564646464646465686868676666646464656464656565
Heat Index (°F)7783848587878888888886848177
Surface Wind (mph)333332221123567777777653
Wind DirSESSESSSSSWSWWSSESSSSSSSSSSSESSESSESSESSESSE
Gust
Sky Cover (%)643534344631241010633811102922
Precipitation Potential (%)000000000000000000000222
Relative Humidity (%)737779838384888790887466635653494848494850566267
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (EDT)230001020304050607080910111213141516171819202122
Temperature (°F)757472727171717273757779818283838484848382807977
Dewpoint (°F)666767676767676870717273737373727272727272727272
Heat Index (°F)75757783868889899090908886847977
Surface Wind (mph)332222222235677777776653
Wind DirSSESSESSESSESSESSESSESSESSSSSWSSWSSWSSSSSSSSSS
Gust
Sky Cover (%)253435353943475360666259555657585145383736353536
Precipitation Potential (%)222131313131313494949494949575757575757373737
Relative Humidity (%)737984868888888889878480767471706968697173778084
Rain------------------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChcChc
Thunder------------------ChcChcChcChcChcChcChcChcChcChcChcChcChcChcChc

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