Point Forecast: Dekalb IL
 41.9N 88.76W
Last Update: 9:27 pm CDT Jul 14, 2025
Tabular Forecast
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Weather ElementsFire WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-m)
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Back 2 Days  

Date07/1407/15
Hour (CDT)212223000102030405060708091011121314151617181920
Temperature (°C)232221201919191919192023252728293031313131302927
Dewpoint (°C)191918171717171717171819192021212121212222222222
Heat Index (°C)252830323233343434333229
Surface Wind (mph)233335533223566777777665
Wind DirNEESEESESESESESESESSESSESSESSESSSSSSSSSSSS
Gust
Sky Cover (%)5554357912151818171720222427313436373934
Precipitation Potential (%)000000000000022299914141444
Relative Humidity (%)768082838285878888888879726763605857575758616570
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (CDT)212223000102030405060708091011121314151617181920
Temperature (°C)262423232222222222222123242728293131323231302927
Dewpoint (°C)212222222121212121222122232323232323232323232222
Heat Index (°C)2624242832333536373736343229
Surface Wind (mph)333333333555667788998877
Wind DirSSSESSESSSSSSSSSSWSSWSSWSSWSWSWSWSWSWSWWSWWSWWSW
Gust
Sky Cover (%)292522191623303747566057535046423840424448535862
Precipitation Potential (%)44447777771111111111113737373737375858
Relative Humidity (%)7685899192939596979810097908376706663616162656975
Rain--------------------------------ChcChcChcChcChcChcLklyLkly
Thunder--------------------------------ChcChcChcChcChcChcLklyLkly

Additional Forecasts and Information
English UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Graphical Hazardous Weather OutlookHazardous Weather
Regional Weather ConditionsPast Weather Information