Point Forecast: Ottawa IL
 41.35N 88.85W
Last Update: 3:41 am CDT Sep 7, 2026
Tabular Forecast
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Date09/0709/08
Hour (CDT)040506070809101112131415161718192021222300010203
Temperature (°F)626160626469727577798081818078767371696866666564
Dewpoint (°F)595958585960605958575758585858606161626161606060
Heat Index (°F)757780808181817976
Surface Wind (mph)333335677888776566665333
Wind DirEEENEENEEEESEESEESEEEEEEEEEEEEESEESEESEESE
Gust1313
Sky Cover (%)413631262626252932363839455054242930433632364040
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)909192848274665751474645454750586571788082848687
Rain------------------------------------------------
Thunder------------------------------------------------

Date09/09
Hour (CDT)040506070809101112131415161718192021222300010203
Temperature (°F)646362626771768083858788888786828078767575757575
Dewpoint (°F)606060606263646564636363636364646464636261606060
Heat Index (°F)768284868788898887838178767575757575
Surface Wind (mph)33335567888998767778991010
Wind DirEESEESEESESSESSSSSSSSSSSSSSSSSSSWSSW
Gust10111314151516161513111313141516171818
Sky Cover (%)53464952634553586053435053363626715385256565556
Precipitation Potential (%)000001100000000000000292929
Relative Humidity (%)889092928376686154484544444448545963656462606060
Rain------------------------------------------ChcChcChc
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