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  • A Wet August Wraps Up a Cool, Wet Summer in Illinois

    The 12th wettest August in Illinois finishes out the 10th wettest summer on record. While August was slightly warmer than average, the summer was cooler than average, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • Soil Moisture Levels Increased in Southern Illinois with the Weekend Rains

    Soil moisture levels in southern Illinois increased over the weekend as the region saw more than 3 inches of rain at some locations, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • It's a Tie for the Coolest July on Record in Illinois

    The statewide average temperature for July was 70.3 degrees in Illinois, which ties the record for the coolest July set back in 2009, according to the Illinois State Climatologist Jim Angel at the Illinois State Water Survey, University of Illinois.

  • ISWS Engineer is Selected to Serve on New FEMA Council

    Sally McConkey, Water Resources Engineer at the Illinois State Water Survey, has been selected as a member of the newly created Technical Mapping Advisory Council for the Federal Emergency Management Agency (FEMA), as directed by Congress.

  • Soil Moisture High in Northern and East-Central Illinois

    Soils in northern and east-central Illinois are beginning to dry out after the rains of last weekend, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • June in Illinois: Warmer and Wetter than Average

    The statewide average precipitation for June 2014 in Illinois was 6.78 inches, 2.58 inches above average and the 8th wettest June on record, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • Soil Moisture Levels Decreasing from Last Week’s Highs

    Soil moisture levels are falling from the highs seen last week due to storms across the state, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • May in Illinois: Warmer Than Average, Dry in the West

    The statewide average temperature for May in Illinois was 63.9 degrees F, which is 1.2 degrees above average. This is the first month for temperatures to be above average in Illinois since October 2013, according to Illinois State Climatologist Jim Angel, Illinois State Water Survey, University of Illinois.

  • Increase in Soil Moisture due to Recent Rains

    Recent rains across Illinois have led to increases in soil moisture levels, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • April in Illinois was Warm and Wet

    The statewide average temperature for April was 51.9 degrees, only 0.7 degrees below average. While it continues the string of below-average months that stretched all the way back to November, this month had the smallest departure from average, according to Jim Angel, Illinois State Climatologist at the Illinois State Water Survey, University of Illinois.

  • Soil moisture levels high across Illinois

    Soil moisture levels in Illinois are high in the middle of April, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • March was Cold and Dry in Illinois

    The statewide average temperature for March in Illinois was 33.8 degrees, which was 7 degrees below average and the 8th coldest March on record. Combined with the colder-than-average January and February made this the 4th coldest start (23.6 degrees) for Illinois for the year to date, according to State Climatologist Jim Angel at the Illinois State Water Survey, University of Illinois.

  • Soils Remain Below Freezing at the Beginning of March

    Soil temperatures remained below freezing across most of Illinois during the first five days of March, Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • This Winter was the 4th Coldest on Record in Illinois

    The average statewide temperature for the three core winter months of December, January, and February was 20.8 degrees. It was 8.2 degrees below average and the fourth coldest December-February period on record, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, University of Illinois.

  • Wind Chill – Serious Science or Hype?

    When the temperature dips below zero and the wind picks up, the wind chill becomes a concern for anyone venturing outdoors.   There are important things to keep in mind about wind chill, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, University of Illinois.

  • Cold January for Illinois

    January 2014 was the eighth coldest January on record for Illinois. The statewide average temperature was 18.2 degrees, 8.1 degrees below the 1981-2010 average of 26.3 degrees, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, University of Illinois.

  • Study Shows McHenry County Water Supplies May Not Suffice in Future

    Groundwater resources in McHenry County may be strained in 35 to 40 years, potentially causing local water shortages and detrimental effects to the ecology of local streams, according to Scott Meyer, hydrogeologist at the Illinois State Water Survey (ISWS), a division of the Prairie Research Institute at the University of Illinois.

  • December Finished Cold in Illinois

    In December, the statewide temperature of 25.5 degrees was 4.4 degrees below average, making it the 20th coldest December on record since 1895. However, it is far short of the record coldest December of 1983 when the statewide temperature was only 17.1 degrees, 8.4 degrees colder than this December, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • November 2013 in Illinois – Cold and Dry

    November 2013 will always be remembered for the tornado outbreak on November 17, 2013, that produced 25 tornadoes across Illinois based on the latest reports. While not as dramatic, weather conditions for the month of November were colder and drier than average, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • October Rainfall Helps Soil Dryness

    Precipitation was near normal for the month of October in Illinois, at a statewide average of 3.2 inches. The long-term average, or normal, for October is 3.26 inches of precipitation, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • Midwest Regional Climate Center Announces Free Online Climate Data Tools Environment

    The Midwestern Regional Climate Center (MRCC) is announcing the launch of a new online climate data system where registrants can access climate data and other value-added products for free!

  • When Will the First Fall Frost Arrive in Illinois?

    While the actual date varies from year to year, Illinois farmers, landscapers, and gardeners anticipate the first fall frost in October, a sure sign that the growing season has ended.

  • September was Dry and Warm in Illinois

    Dry conditions were widespread across Illinois in September, and temperatures were above average for the first time in several months, according to Illinois State Climatologist Jim Angel at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • Soil Moisture Levels Remain Lower Than Normal in Illinois

    Soil moisture levels remained lower than normal, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • August and Summer Were Cool and Dry in Illinois

    The statewide average precipitation for August was 1.38 inches, according to State Climatologist Jim Angel, Illinois State Water Survey, Prairie Research Institute, University of Illinois.  It was the third driest August on record and 2.22 inches below the 1981-2010 average.

  • Soil Moisture Continues to Decline in Illinois

    Soil moisture continued to decline across Illinois with levels at 2 inches 27 percent lower on August 15 than those from July 15, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • July in Illinois–Cool and Dry

    The statewide average temperature for July in Illinois was 73.3 degrees, 2 degrees below the 1981-2010 average. It currently ranks as the 19th coolest July on record, dating back to 1895, according to Illinois State Climatologist Jim Angel, at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • Researchers track mercury in fish from Illinois streams

    Mercury concentrations in small fish from Illinois streams have decreased since the turn of the 20th century, but mercury pollution persists in the environment, even in rural areas far from mercury sources, according to findings from a study conducted by scientists from the Prairie Research Institute, University of Illinois.

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

    “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.

  • Record Wet Start to the Year in the Midwest

    Following the drought-stricken 2012, the first six months of 2013 are off to a record wet start in much of the Midwest.  Year-to-date regional precipitation totals rank as the wettest January-to-June period on record (records start in 1895) for the Midwest, according to the Midwestern Regional Climate Center (http://mrcc.isws.illinois.edu) at the Illinois State Water Survey (ISWS).

  • Soil Moisture Levels Decline Slightly in Illinois

    Soil moisture levels at depths of 2 inches declined an average of 15 percent from June, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • Wet June and Wettest Year-to-Date in Illinois

    The statewide average precipitation for June 2013 in Illinois was 5.2 inches, which is nearly 1 inch above the 1981–2010 average. It was more than double the June 2012 total of 1.8 inches, according to Illinois State Climatologist Jim Angel, at the Illinois State Water Survey, Prairie Research Institute, University of Illinois.

  • Soil Moisture Levels Remain Slightly Above Normal

    Soil moisture levels remained slightly above normal in the middle of June, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • A Wet May, Spring, and Year to Date for Illinois

    The statewide precipitation for May was 6.87 inches, 2.25 inches above the long-term average, and the 12th wettest May on record, according to Jim Angel, Illinois State Climatologist at the Prairie Research Institute, University of Illinois.

  • Soil Moisture Levels Slightly above Normal in the Middle of May

     Soil moisture levels are slightly above normal in Illinois for the middle of May, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Prairie Research Institute, Illinois State Water Survey, University of Illinois.

  • April in Illinois was Much Wetter than Last Year

    April was the 4th wettest on record for Illinois with 6.90 inches of rain, according to Illinois State Climatologist Jim Angel at the Prairie Research Institute, University of Illinois. That total was 3.13 inches above the long-term average of 3.77 inches for the month.

  • Soil Moisture Levels Near Normal for the Start of the Growing Season

    Soil moisture levels are normal in Illinois for the start of the growing season, according to Jennie Atkins, Water and Atmospheric Resources Monitoring (WARM) Program Manager at the Illinois State Water Survey.

  • Upwind Lakes Can Influence the Intensity of Lake-Effect Snowstorms over Downwind Lakes

    Research shows that small lakes even hundreds of miles away can cause lake-effect snows to intensify around the Great Lakes, a phenomenon that may occur more often with climate change, according to David Kristovich, head of the Center for Atmospheric Science at the Illinois State Water Survey, University of Illinois.

  • March 2013 Was Much Colder Than Last Year

    This March was 21.2 degrees colder than the average statewide temperature in March of last year, according to Jim Angel, State Climatologist at the Illinois State Water Survey, part of the University of Illinois at Urbana-Champaign.

  • Be Prepared for Natural Disasters to Keep Well Water Safe and Clean

    Floods, droughts, and power outages can affect the safety of water supplies in private wells.  Being prepared for the unexpected may minimize the damage, according to Steve Wilson, hydrologist at the Illinois State Water Survey, University of Illinois at Urbana-Champaign.

  • Groundwater Awareness Week: March 10-16, 2013

    In the spring, just before peak water use season begins, is a good time to check that your water well is working properly and that your water is safe to drink, according to Walt Kelly, interim head of the Center for Groundwater Science at the Illinois State Water Survey (ISWS), University of Illinois.

  • Winter Finally Arrives in Illinois in February

    Snowfall was below average in January, but the statewide precipitation—which includes both rain and melted snow—was 3.9 inches, nearly 2 inches above average, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey at the University of Illinois, Urbana-Champaign.

  • January in Illinois: Wet Conditions Despite the Lack of Snow

    Snowfall was below average in January, but the statewide precipitation—which includes both rain and melted snow—was 3.9 inches, nearly 2 inches above average, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey at the University of Illinois, Urbana-Champaign.

  • New collaboration with the United Kingdom Focuses on water challenges

    The Illinois State Water Survey (ISWS) at the Prairie Research Institute, University of Illinois, has signed a memorandum of understanding to collaborate on water-related projects with faculty at the Water@Leeds Research Centre, University of Leeds in the United Kingdom.  This collaboration will focus on topics such as climate change, water quality and supply, flooding, drought, and regulatory issues.

  • Illinois in 2012: Second Warmest and Tenth Driest on Record

    The year 2012 will long be remembered for the drought and the exceptionally warm temperatures. While the data for December are still preliminary, 2012 was the second warmest and tenth driest year on record for Illinois, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey at the University of Illinois.

  • Chances of a White Christmas in Illinois This year

    What are the chances of a white Christmas in Illinois this year?  Historically, the highest odds are in northern Illinois, according to State Climatologist Jim Angel at the Illinois State Water Survey.

  • Free Online Program Educates Homeowners with Water Wells

    Homeowners in small communities and rural areas without a public water supply often don’t fully understand how to manage, operate, and protect their private well.

  • October in Illinois: Cool and Wet

    October 2012 was cooler and wetter than normal, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey at the University of Illinois in Urbana-Champaign.

  • September in Illinois: Cooler and Wetter than Normal

    September was the first cooler and wetter than normal month in 2012, according to Illinois State Climatologist Jim Angel of the Illinois State Water Survey at the University of Illinois in Urbana-Champaign

  • Summer drought may dull fall color