SUNDAY: Abundant sunshine with temperatures close to the seasonal average. East winds 5-10 mph. High 59.
MONDAY: A mix of sun and clouds but more cloudiness overspreads the area in the afternoon and evening. Seasonably cool. High: 56.
Current Conditions
Next Few Hours
Extended Outlook
Chicago forecast highs and departure from normal
Temperatures overall to continue slightly below normal but significant cold spells or mild spells in the near term.
Interesting note: the odds of seeing at least one more 70 degree day are at 70%. Fifty-eight of the past 83 years dating back to 1942 (when observations were kept at Midway or O’Hare) have logged at least one additional 70 degree day before the cold weather set in.
8-14 day forecast: November 1 through 7
While the greatest probability of seeing warmer than normal temperatures is out west, the odds slightly favor warmer than normal conditions across the Great Lakes and Chicago area. Cool weather relative to normal expected from the Mid-Atlantic all the way down to Florida.
Chicago’s precipitation chances
No rain expected through the weekend and into Monday with only modest chances for showers expected the middle of next week. At this distance, Halloween looks to be dry and cool.
Tropical Storm Melissa track
Melissa forecast to become a hurricane Saturday afternoon and a major hurricane (category 3 or higher) by Sunday with rapid intensification predicted.
Atlantic integrated water vapor transport
The latest European model extends out 10 days and shows vividly a monster Hurricane Melissa spinning over the very warm waters of the western Caribbean before spreading across eastern Cuba into the open waters of the Atlantic, potentially impacting Bermuda.
Ensemble mean Melissa track
A 50 member ensemble mean showing a major hurricane, potentially a Category 5 storm.
Melissa rainfall projections
Catastrophic flash flooding and landslides and numerous landslides likely for parts of Jamaica where upwards of 30” of rain is possible.
Climate and Environment news: WGN Weather Center blog
Ashlyn Wright
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