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Weekly Climate Review & Weather Forecast

Todd Gleason

University of Illinois Extension
Trent Ford, Illinois State Climatologist
ISWS Prairie Research Institute

May 10, 2024
Recommended citation format: Gleason, T., . "Weekly Climate Review & Weather Forecast." Department of Crop Sciences, University of Illinois at Urbana-Champaign, May 10, 2024. Permalink

The first full week of May was both warmer and wetter than normal. Average temperatures this week ranged from the high 50s in northern Illinois to the low 70s in southern Illinois, between 3 and 10 degrees above normal. Up to yesterday, this month has tied 2012 for the warmest start to May on record in Paducah. Several places saw highs in the mid to upper 80s this week, including 87 in Salem and 84 in Champaign. The warm start to May has continued a consistent pattern for 2024. This year has been among the top 5 warmest on record through May 9th across the state, including the 2nd warmest start to the year in both Peoria and Rockford, again only being surpassed by 2012. That said, the biggest difference between this year and 2012 is that southern Illinois had already built up a 6 to 10 inchprecipitation deficit in 2012, while the region is only slightly drier than normal this year to date.

Speaking of precipitation, our active spring weather continued this week. 7-day totals rainged from around a half inch in east-central Illinois to over 6 inches in southern Illinois. Virtually the entire state is slightly to very much wetter than normal going back to the start of spring, made apparent by the standing water in many fields across the state. Unfortunately, this week’s precipitation came in the form of severe storms across southern Illinois, resulting in multiple tornadoes and reports of severe winds and large hail. These included an EF-1 tornado in Jackson County that caused at least 1 injury. Illinois has been privy to 46 tornado reports, 148 severe wind reports, and 155 severe hail reports in 2024 so far. For perspective, we typically get between 50 and 60 tornadoes each year in the Land of Lincoln.  

Looking ahead, I have good news and bad news. The next few days will be nearly to entirely dry across Illinois, with highs in the 70s and low 80s. This short dry stretch will be much appreciated to help dry out fields for either continued fieldwork or emergence and growth in those already planted. However, that window shuts abruptly for most folks early next week with another series of showers. Forecasted totals over the next week range from around half an inch in northern Illinois to around 2 inches in southern Illinois.  

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