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Nov 22 | Climate Review and Weather Forecast

  • November 22, 2024
  • Todd Gleason

Most of this week’s weather was fall-like, with a nice taste of winter. Average temperatures this week ranged from the low 40s in northern Illinois to the low 50s in southern Illinois, between 6 and 8 degrees above normal. November to date has been 5 to 7 degrees above normal, and our fall season to date is among the top 5 warmest statewide. The prolonged mild temperatures made the late week cold a bit more surprising than usual.…

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Nov 15 | Climate Review and Weather Forecast

  • November 15, 2024
  • Todd Gleason

Our mild fall weather continued this week. Average temperatures ranged from the high 40s in northern Illinois to the high 50s in southern Illinois, between 3 and 7 degrees above normal. November to date has been 5 to 10 degrees warmer than normal, following a top 5 warmest October on record statewide.
Most of the state picked up a decent amount of rain this week with totals between a quarter of an inch in western Illinois to nearly 1.5 inches in southeast Illinois.…

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Nov 01 | Climate Review and Weather Forecast

  • November 1, 2024
  • Todd Gleason

The calendar has turned over to November, and temperatures have followed suit. That said, for most of this week our weather continued its mild trend that’s been around for most of fall. 7-day average temperatures ranged from the low 50s in northern Illinois to the mid-60s in southern Illinois, between 3 and 8 degrees above average. October as a whole ended around 1 to 2 degrees above normal statewide. The fall season through the end of October has been a top 10 warmest on record in Chicago,…

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Oct 29/30 Red Flag Warning Issued for Illinois & Indiana

  • October 29, 2024
  • Todd Gleason

Meteorologist Andrew Pritchard provides Red Flag Warning information for University of Illinois licensed radio station WILL AM580.
FIELD FIRES ARE PROBABLE UNDER RED FLAG CONDITIONS
A Red Flag Warning has been issued for parts of Illinois and Indiana for today and tomorrow by the National Weather Service. Farmers are urged to be careful with machinery and prepare for the increased possibility of field fires.
Red Flag Warnings are issued when the following conditions exist.…

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Oct 25 | Climate Review and Weather Forecast

  • October 25, 2024
  • Todd Gleason

This week continued October’s mild trend with average temperatures in the mid to upper 50s statewide, between 1 and 6 degrees above normal. With only one week left in the month, October to date has been 1 to 4 degrees warmer than normal. The mild fall has added to what was a very warm first half of the year. Through October 23rd, this year has been the warmest on record in Peoria, and the second or third warmest on record in Chicago,…

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Oct 18 | Climate Review and Weather Forecast

  • October 18, 2024
  • Todd Gleason

This week brought some cooler weather just in time for the harvest moon. Temperature this week ranged from the high 40s in northern Illinois to the high 50s in southern Illinois, right around 1 degree of normal. The lack of humidity allowed nighttime temperatures to regularly dip into the 30s, and get below freezing for many places on a couple of nights. Some of the more impressive nighttime lows this week included 25 degrees in Mount Carroll and 27 in Springfield.…

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Oct 11 | Climate Review and Weather Forecast

  • October 11, 2024
  • Todd Gleason

October has taken over where September left off, with warm days and cool nights. Average temperatures over the past week ranged from the high 50s in northern Illinois to the mid-60s in southern Illinois, between 1 and 4 degrees above normal. The dryness of the air has been particularly remarkable, with afternoon relative humidity regularly dipping into the teens and low 20s. While the extremely dry air has been comfortable, it has also added to the lack of precipitation and increased the risk of field fires and blowing dust.…

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Weekly Climate Review and Weather Forecast

  • September 27, 2024
  • Todd Gleason

The heat relented this week, and while temperatures were still above average they were much more pleasant. Average temperatures this week ranged from the mid-60s in northern Illinois to the mid-70s in far southern Illinois, between 2 and 6 degrees above average. September to date temperatures have been right around 1 degree above average for most of the state, but as with most Septembers we have seen quite a bit of variability day to day.
We had a bit of a wetter week across much of the state,…

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Weekly Climate Review & Weather Forecast

  • July 26, 2024
  • Todd Gleason

Thankfully, our weather calmed down this week. Temperatures this week ranged from the high 60s in northern Illinois to the mid-70s in southern Illinois, between 2 and 6 degrees below normal for mid-July. July to date has been 1 to 3 degrees cooler than normal as well. Despite the cooler weather lately, the entire state is still about 50 to 100 growing degree days ahead of average, going back to May 1st.
This week was also quite a bit drier,…

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Flash Droughts and Evapotranspiration

  • June 19, 2024
  • Todd Gleason

The high temperatures across the corn belt, coupled with the lack of rainfall in some of the states east of the Mississippi River has farmers concerned. Illinois State Climatologist Trent Ford has this explanation of evapotranspiration under high temperature and high humidity conditions.…

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