Weather

Sep 23 | Weekly Climate Summary & Wx Forecast

  • September 23, 2022

by Trent Ford, Illinois State Climatologist
Illinois State Water Survey
Prairie Research Center
Even though climatological fall started three weeks ago, we had to wait until this week to get our first real taste of the season. Average air temperatures most of this week were 8 to 12 degrees above normal, including a few days with highs that were 15 to 20 degrees above normal. Carbondale hit 99 degrees on Wednesday, the latest that mark has been reached in Carbondale’s record.…

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Sep 09 | Weekly Weather Review and Forecast

  • September 8, 2022

The first full week of September was another mostly pleasant one. Average temperatures this week ranged from the high 60s in northern Illinois to the mid 70s in southern Illinois, near normal to 2 degrees warmer than normal. Many places in the state dipped into the low 50s at night this week, including 50 degrees in Fulton County and 51 degrees in Putnam County. We have had a continued pattern of fairly mild temperatures across the state,…

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Sep 02 | Weekly Weather Review & Forecast

  • September 2, 2022

Illinois State Water Survey
Prairie Research Institute
We wrapped up August with another pleasant weather week. Temperatures this past week ranged from the low 70s in northern Illinois to the high 70s in southern Illinois, about 1 to 2 degrees above normal. Official numbers will be released next week, but it looks like August ended just a few tenths of a degree above normal statewide, notably cooler than Augusts of 2020 and 2021. A very warm June,…

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