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Water Survey

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  • April 2018 was second-coldest on record for Illinois

    May 1, 2018 11:45 am

    Illinois State Climatologist Jim Angel reports that the statewide average temperature for Illinois in april was 44.7 degrees, 7.9 degrees below normal. The only colder April on records was in 1907, with an average temperature of 43.1.

  • Another Mild February Ends Another Weak Winter in Illinois

    Mar 5, 2024 9:45 am

    Preliminary findings showed that February 2024 was the 3rd warmest and 4th driest on record back to the 1800s in Illinois, according to Illinois State Climatologist Trent Ford at the University of Illinois’ Illinois State Water Survey.  

  • Annual precipitation records were broken across the Midwest

    Jan 7, 2019 3:30 pm

    More than 120 stations across the Midwest had their wettest year on record in 2018, according to the Midwestern Regional Climate Center (MRCC) at the Illinois State Water Survey (ISWS). 

  • Anniversary of First Hook Echo Tornado Captured on Radar

    Apr 9, 2015 3:00 pm

    Today is the 62nd anniversary of the first documented case of a tornado detected by radar. Illinois State Water Survey staff captured the historic event on film on April 9, 1953. This discovery helped lead to the first national weather radar network in the United States, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • Jim Angel

    Angel talks climate, career with Illinois News Bureau

    Dec 3, 2018 8:45 am

    News Bureau physical sciences editor Lois Yoksoulian spoke with State Climatologist Jim Angel about his career, climate change and the recently released National Climate Assessment.

  • An active February finishes climatological winter

    Mar 3, 2022 9:15 am

    The preliminary statewide average February temperature was 27.2 degrees, 3.0 degrees below the 1991–2020 average and tied for 42nd coldest on record going back to 1895. The preliminary statewide average total February precipitation was 3.41 inches, 1.48 inches above the 1991–2020 average and the 9th wettest on record statewide.  

  • snow-covered trees hanging over a path

    A mostly mild January ends with winter storms in Illinois

    Feb 2, 2021 9:45 am

    January was quite a bit warmer and slightly wetter than average across the state, according to Illinois State Climatologist Trent Ford at the University of Illinois’ Illinois State Water Survey.

  • A mild October had a chilly end

    Nov 2, 2023 11:30 am

    Most of October in Illinois had above average temperatures, until a weather shift in the last few days of the month brought a shockingly cold Halloween and even snow in some areas, according to Illinois State Climatologist Trent Ford at the Illinois State Water Survey. 

  • A mild January in Illinois

    Feb 1, 2017 4:30 pm

    The statewide average temperature in January was 31.4 degrees, 5.0 degrees above normal, and the 14th warmest January on record, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey, University of Illinois.

  • A lack of rain prompts drier soils across Illinois in mid-June

    Jun 17, 2020 8:00 am

    Drier weather has led to declining soil moisture across Illinois, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) program manager at the Illinois State Water Survey.

  • A Dry October in Illinois

    Nov 4, 2011 12:45 am

  • A dry June prolonged Illinois’ drought

    Jul 3, 2023 8:15 am

    Dry weather from April to June has caused the most serious drought in Illinois since 2012, according to Illinois State Climatologist Trent Ford at the Illinois State Water Survey. In June, crop conditions worsened, and the air quality at the end of the month was the worst the state has seen in years.

  • Above-Average Temperatures for April in Illinois

    May 4, 2015 2:00 pm

    Although April had a few cold stretches, the statewide average temperature for the month was 54.1 degrees, 1.7 degrees above average, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • 2022 begins with a dry and cold January

    Feb 2, 2022 1:00 pm

    The preliminary statewide average January temperature was 21.1 degrees, 5.6 degrees below the 1991–2020 average. The preliminary statewide average total January precipitation was 1.17 inches, 1.14 inches below normal.

  • 2014 Marks the 4th Coldest Year on Record for Illinois

    Jan 5, 2015 3:15 pm

    The statewide average temperature for 2014 was 49.4 degrees F, which is 2.9 degrees below average.  The year was tied with 1912 and 1979 for fourth place, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • 2011 Midwest Summer

    Sep 6, 2011 9:15 pm

    Summer (June through August) in the Midwest was marked by above average temperatures, especially in July and early August, and extreme precipitation conditions.  Drought conditions occurred for half of the Midwest, while at the same time, several severe precipitation events resulted in flash flooding, breaking 17 all-time precipitation records, according to the Midwestern Regional Climate Center at the Illinois State Water Survey (ISWS).

  • 2006 Ranks as 9th Warmest Year for Illinois

    Jan 3, 2007 8:30 pm

    "Based on preliminary data, temperatures of 54.0°F statewide (1.8°F above 30-year normals) made 2006 the 9th warmest year in Illinoissince 1895. This was largely the result of a record-setting January last year with an average temperature of 37.9°F, 13.3°F above normal," said State Climatologist Jim Angel of the Illinois State Water Survey (http://www.sws.uiuc.edu), a division of the Illinois Department of Natural Resources.

  • 14th Illinois River Conference – Working Locally-Reaching Globally

    Jul 29, 2013 2:00 am

    “Working Locally-Reaching Globally”, the theme for the 14th Biennial Governor's Conference on the Management of the Illinois River System, offers a look at the river system, the local work being done to protect it, and its place on a global scale. The conference will be held on October 1-3, 2013 at Peoria's Four Points by Sheraton.

  • 12th Biennial Conference on the Management of the Illinois River System

    Feb 28, 2009 8:00 pm

    The Illinois State Water Survey is Co-Sponsoring:The Twelfth Biennial Conference on the . Management of the Illinois River SystemOctober 20-22, 2009Hotel Pere Marquette, Peoria, IL