Point Forecast: Decatur Airport IL
 39.84N 88.88W (Elev. 198 m)
Last Update: 1:56 am CDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-m)
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (CDT)020304050607080910111213141516171819202122230001
Temperature (°C)222223232223242628292828292929292828272624242424
Dewpoint (°C)212121212222232323232323232323232323222222232322
Heat Index (°C)242631323232333333343231302624242424
Surface Wind (mph)333335667777766666655555
Wind DirEEEEEESEESESESSESSESSESSSSESSESSESSESSESSESSESSESSESS
Gust
Sky Cover (%)454749494848495153586368686868645955535048474544
Precipitation Potential (%)2222315101920232232323534333018181816161611
Relative Humidity (%)909087929796928475737374717171697274738186929592
Rain----------SChc--SChcSChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc--
Thunder----------------SChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc--

Date07/17
Hour (CDT)020304050607080910111213141516171819202122230001
Temperature (°C)242323232323252628293131323232323129282827262625
Dewpoint (°C)222222222323232424242424242323232424242323232323
Heat Index (°C)24252932343637373837373634333129262625
Surface Wind (mph)555556666778999887777777
Wind DirSSSSWSSWSSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSSWSSWSSWSSWSSW
Gust
Sky Cover (%)485357565553514521322722242628323539393939455258
Precipitation Potential (%)111111111111111111111123232323232334343434343429
Relative Humidity (%)9193959510096918677726866626060626772767982858688
Rain----------------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChc
Thunder----------------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChc

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