Point Forecast: Decatur Airport IL
 39.84N 88.88W (Elev. 650 ft)
Last Update: 12:26 am CDT Jul 14, 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  

Date07/1407/15
Hour (CDT)010203040506070809101112131415161718192021222300
Temperature (°F)707070696969707275788283848586868685838179777574
Dewpoint (°F)686868686868697071717170706969696969696969696969
Heat Index (°F)757886878889909090898784797775
Surface Wind (mph)222222223333335553332222
Wind DirSSWWNWNWNNWNNWNNNEENEENEEEESESSESSSEESEEEESEESEESEESE
Gust
Sky Cover (%)565859616160604837252423222528313029282929303337
Precipitation Potential (%)111888555555777777555555
Relative Humidity (%)939393979797979387796965635957575759636772768284
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (CDT)010203040506070809101112131415161718192021222300
Temperature (°F)737271717172737679828484858687878685838280797876
Dewpoint (°F)686868686868697071727272727273737373737372727272
Heat Index (°F)7679879090919294949392898784797876
Surface Wind (mph)222223556666667776665555
Wind DirESEESEESEESEESEESEESESESESSESSESSSSSSSSSSSSESSES
Gust
Sky Cover (%)404245474848494949495358626159585960615344364452
Precipitation Potential (%)777777161616161616464646464646232323232323
Relative Humidity (%)848790909087878277726767656363636567727477798287
Rain------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc
Thunder------------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc

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