Point Forecast: Harsens Island MI
 42.58N 82.57W (Elev. 577 ft)
Last Update: 5:14 pm EDT Jul 8, 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  

Date07/0907/10
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°F)707069697072737476777979808281818077757472717070
Dewpoint (°F)676767676768696969707070706969696968696969686868
Heat Index (°F)7677828284868484837775
Surface Wind (mph)222222335566666655322222
Wind DirSSESSSSESSESSSSSSSSSSSSNWWNWWSWSWWSWWNWNW
Gust
Sky Cover (%)617982828385838883776965695450455855455643232934
Precipitation Potential (%)31313131314545454545455959595959591818181818185
Relative Humidity (%)899092919190868480787373706567676874818588919294
RainChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChc--
ThunderSChcSChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLklySChcSChcSChc--------

Date07/11
Hour (EDT)030405060708091011121314151617181920212223000102
Temperature (°F)696868686870727476787980818181807977757270696868
Dewpoint (°F)686766676868686868686868686868676766666565646464
Heat Index (°F)7678798284848483797775
Surface Wind (mph)222233355566666666532222
Wind DirNNWNNWNNWNNWNNNNNNNNWNNWNNNENENENENENENENEENEENEENE
Gust
Sky Cover (%)435160616162575247433935312723222221253034425058
Precipitation Potential (%)555551010101010101010101010102222222
Relative Humidity (%)959596979795908377736967656363646770747882858788
Rain------------------------------------------------
Thunder------------------------------------------------

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