Weather Source  

Historical Monthly Weather Data

Get historical monthly weather data - totals, means and extremes - for over 18,000+ current and former United States weather stations for every year that each station reported. Columns are sortable so you can get a sense of what the range of possibilities are for each metric. Select a city where you want to learn about past weather. Columns include highest temperature, lowest temperature, mean temperature, total precipitation, total snowfall and many more.

Please select a city in IL

City Station Name County
LaconLacon 1 NMarshall
LaconLacon Marshall Cnty ArptMarshall
La FayetteToulon 2 SswStark
La GrangeLagrangeCook
La HarpeLa HarpeHancock
Lake VillaLake Villa 2 NeLake
LanarkLanarkCarroll
LansingChicago Lansing Muni ArptCook
LansingLansingCook
La PrairieGoldenAdams
LawrencevilleLawrencevilleLawrence
LawrencevilleLawrenceville Vincennes Intl ArptLawrence
LebanonLebanonSaint Clair
Le RoyLe RoyMcLean
LewistownLewistownFulton
LexingtonLexingtonMcLean
LibertyvilleLibertyville 4 NnwLake
LincolnLincoln 2Logan
LincolnLincoln Logan Cnty ArptLogan
LincolnLincolnLogan
Lincoln's New SalemPetersburg 2SwMenard
Lincoln's New SalemPetersburg 3 SswMenard
Lincoln's New SalemPetersburg 3 SswMenard
LincolnwoodSkokie N S Treat WksCook
LindenwoodLindenwoodOgle
LisleWheaton 3 SeDu Page
LitchfieldLitchfieldMontgomery
LoamiLoami 3 SswSangamon
LoamiLoamiSangamon
LoamiWaverlySangamon
LouisvilleLouisville 4 NClay
LouisvilleLouisvilleClay
LovingtonLovingtonMoultrie
LyndonProphetstownWhiteside

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If you can't find what you are looking for here, try the The Weather Warehouse where you can search for the historical weather data you need by entering any date and location.