Point Forecast: De Kalb IL
 41.94N 88.76W
Last Update: 4:12 pm CDT 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)
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (CDT)161718192021222300010203040506070809101112131415
Temperature (°F)797978777472706968666564646363667176808183848485
Dewpoint (°F)606061626362626161616161606161636466656565656565
Heat Index (°F)8080787776818385868687
Surface Wind (mph)776322335555553335555555
Wind DirWWWWWSWSWSSWSSWSSWSSWSSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Gust
Sky Cover (%)6457494235353530252020151166542324556
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)515355616973767779838789899194907971625856535252
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (CDT)161718192021222300010203040506070809101112131415
Temperature (°F)858584837975727069676666656565687478818384868687
Dewpoint (°F)656667676766656564636362626263646667696970707070
Heat Index (°F)87878785797578848689909192
Surface Wind (mph)553322233335533355666777
Wind DirWSWWSWWWSWSSWSSSESSESSESSESSESSESSSSSESSESSSSSSS
Gust111313
Sky Cover (%)666555545678101213141514141822262933
Precipitation Potential (%)000000000111111777777161616
Relative Humidity (%)515456606774798284898889919293897670676461605857
Rain------------------------------------------SChcSChcSChc
Thunder------------------------------------------SChcSChcSChc

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