Point Forecast: De Kalb IL
 41.94N 88.76W
Last Update: 4:12 pm CDT Jul 15, 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  

Date07/1507/16
Hour (CDT)171819202122230001020304050607080910111213141516
Temperature (°F)878583807876757473737272727374767881838687888988
Dewpoint (°F)717272727171717070707070707172737474757474747474
Heat Index (°F)93918884787675767886919496989897
Surface Wind (mph)76655332222335566781011131414
Wind DirSSSSSSSESSSSWSSSSSSWSSWSSWSSWSSWSSWSSWSSWSSWSSWSSW
Gust131618212222
Sky Cover (%)444343434343444445485255545352504847485052535455
Precipitation Potential (%)711151414141412117455788866635353560
Relative Humidity (%)606469758086878990929394949595908681756965636365
Rain----SChc----------------------------------ChcChcChcLkly
Thunder----------------------------------------ChcChcChcLkly

Date07/17
Hour (CDT)171819202122230001020304050607080910111213141516
Temperature (°F)858279777674737272717069686866666667687071737373
Dewpoint (°F)747373727272727170696968676766666665656564646464
Heat Index (°F)9388797776
Surface Wind (mph)131311109877677889991010101110111010
Wind DirSSWSWSWWSWWSWWSWWSWWWWWWWNWWNWNWNWNNWNNWNNWNNNNN
Gust20181613131414141414151616171717171717
Sky Cover (%)606570686765505560707989909186868584848383817978
Precipitation Potential (%)606065656565656536363636363621212121212111111111
Relative Humidity (%)69758285889294959595969696961001009895908479757372
RainLklyLklyLklyLklyLklyLklyLklyLklyChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc--------
ThunderLklyLklyLklyLklyLklyLklyLklyLklySChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChc--------

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