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This map is the official NWS snowfall forecast in inches during the time period shown on the graphic. This snowfall amount is determined by NWS forecasters to be the most likely outcome based on evaluation of data from computer models, satellite, radar, and other observations.
24 Σεπ 2024 · ILLINOIS — Warmer than normal temperatures and colder than normal temperatures have an equal chance of happening this winter in Illinois, according to a new winter 2024-25 outlook for...
22 Νοε 2024 · A new weather outlook, released by the Climate Prediction Center this week, shows what may be in store for us this winter – and it looks a lot like La Niña.
21 Οκτ 2024 · The precipitation outlook for a large swath of Illinois shows equal chances of above or below normal activity. Areas north and east of Peoria may see a wetter winter.
5 Δεκ 2023 · According to the Illinois Storm Chasers Facebook page, says current models for a potential "big weekend (winter storm) system" are "all over the place." Right now, the weather service forecast...
7 Αυγ 2024 · NOAA just released its 2024/2025 Long Lead Seasonal Outlook for winter. The forecast calls for the return of La Niña. Here's what that means for Illinois.
Winter and spring temperatures in Illinois have increased by 2 to 3 degrees Fahrenheit, while summer temperatures have increased very little since the beginning of 20th century. The maps below show the change in average daily temperature between 1900 and 2020 in each season by county in Illinois.
