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)212223000102030405060708091011121314151617181920
Temperature (°F)777675747473727169706970737678808182828383838282
Dewpoint (°F)706969696867656463636464636362616261616160616264
Heat Index (°F)7776757678818282838384838383
Surface Wind (mph)333333335555556555555212
Wind DirWNWWNWWNWWNWWNWWNWNWNWNWNWNWNWNWNWNWWNWWNWWWWWWNWNS
Gust
Sky Cover (%)425156626670727268584624974455422234
Precipitation Potential (%)1363333333335555553333330
Relative Humidity (%)778084848482798082798480716559545249484746485156
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (EDT)212223000102030405060708091011121314151617181920
Temperature (°F)797674737270706969707173757881838485868686858381
Dewpoint (°F)646465656566656565666768686969686867676768686868
Heat Index (°F)7976757884868788899089888784
Surface Wind (mph)233223222211223556666666
Wind DirSESESESSESSSSSSSESESESESSESSSSESSESSESSESSESSESSESSE
Gust
Sky Cover (%)57434456791113118681118181818222625
Precipitation Potential (%)000000000002222225555559
Relative Humidity (%)616874778184878888888885807367625855545354566064
Rain------------------------------------------------
Thunder------------------------------------------------

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