Point Forecast: Zion IL
 42.45N 87.84W
Last Update: 2:41 am 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)030405060708091011121314151617181920212223000102
Temperature (°F)686867676974778079808080808080807878767574747373
Dewpoint (°F)656463636566676768686868686868686969707070707070
Heat Index (°F)7783828283838383838279787675
Surface Wind (mph)332335567789888776553332
Wind DirSSWSSWSWSWSSWSSWSSWSSSSESEESEESEESEESEESEESESESSESSESSSSSW
Gust
Sky Cover (%)79121413151162141314108671543354951413641
Precipitation Potential (%)000000000055577786777766
Relative Humidity (%)908989898577716569686766666667697275808486889192
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (CDT)030405060708091011121314151617181920212223000102
Temperature (°F)737272727577798284868686878685838077747371707069
Dewpoint (°F)717171717374757575757575757474737372727171706969
Heat Index (°F)7577839093949595959592898477
Surface Wind (mph)222223556778887766666667
Wind DirSSWSSWSSWSSWSSWSSWSSWSSSSSSSESSESSESSSSWSWWSWWSWWSWW
Gust
Sky Cover (%)322630604237262841444643413847556474839388847982
Precipitation Potential (%)64447777773535353535356060606060604343
Relative Humidity (%)9495959694918678737170696868707378879296989999100
Rain--------------------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChc
Thunder--------------------ChcChcChcChcChcChcLklyLklyLklyLklyLklyLklyChcChc

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