Point Forecast: Chicago/Romeoville, Lewis University Airport IL
 41.61N 88.1W
Last Update: 8:56 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)212223000102030405060708091011121314151617181920
Temperature (°F)757372706967666565646772768082848686878786858380
Dewpoint (°F)616162636463646363646465656564636363636363646464
Heat Index (°F)75768284858687888887878581
Surface Wind (mph)332222222222355555555553
Wind DirWNWNNWNNWNNNWNNNWWNWWNWNWWSWWSWWSWWSWWSWWWSWWSWWSWWWWWSWSW
Gust
Sky Cover (%)432925252020201515151511623566423456
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)616671788587939595979180696054504746454446495360
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/15
Hour (CDT)212223000102030405060708091011121314151617181920
Temperature (°F)767472716968676666666874798385878889899089888683
Dewpoint (°F)646464636262616262636466686970707070707070707171
Heat Index (°F)76798690929394959595939187
Surface Wind (mph)223333333333556777777776
Wind DirSSWSESESESESESSESSESSESSESSESSESSSSSSSSSSSS
Gust13131313
Sky Cover (%)67789991012131314161824313739414344464746
Precipitation Potential (%)00002222227777772020202020201313
Relative Humidity (%)657174778081828687888675696461585655535354576166
Rain--------------------------------SChcSChcSChcSChcSChcSChc----
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