WEDNESDAY Hi 60, sunny, increasing clouds after 2p, winds SW to SW, 5 to 9 to 6 MPH
⏪ Hrly Data Table | Hrly Future Graph ⏩
IMPORTANT NOTE ON NWS DATA
⏪ Hrly Data Table | Hrly Future Graph ⏩
Wednesday and Wednesday Night …
No Weather Hazards expected…
This Weather Outlook is for portions of North Central Illinois … Northeast Illinois and Northwest Indiana.
High temps may over-perform the forecast as increased cloudiness is not forecast to begin until after 2:00 p.m. which is also the time of the forecast high for Wednesday. Cirrus will begin to stream in from south Chicagoland in an otherwise perfect sunny day. The High Temp forecast is 60°F at O’Hare and 58°F at Chicago Executive Airport, so the south side of Arlington Heights is more likely to make or exceed 60°F on Wednesday, November 23, 2022. The record high temperature for November 23 is 69°F in 1931.
Wednesday should feel especially mild because winds are forecast less than 10 MPH. Winds will stay light as clouds increase and Relative Humidity begins to rise after 2:00 p.m.
The low temperatures overnight Wednesday to Thursday are forecast to be above freezing for the second morning consecutively, and Thanksgiving morning low is forecast even warmer than Wednesday morning low at 39°F. Clouds, and precipitation on Thursday threatens to keep the high temperature lower than Wednesday.
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O’HARE FORECAST …
Forecast Beginning Wednesday, Nov. 23, 2022
Wednesday: Sunny, with a high near 60. Southwest wind 5 to 10 mph.
Wednesday Night: Partly cloudy, with a low around 39. South wind around 5 mph.
Thanksgiving Day: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 53. South southwest wind 5 to 10 mph.
Thursday Night: A slight chance of showers before 7pm, then a chance of rain between 7pm and 1am. Cloudy, with a low around 37. South southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%.
Friday: Partly sunny, with a high near 47. North northwest wind around 10 mph.
Friday Night: Partly cloudy, with a low around 33.
Saturday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 49.
Saturday Night: Rain likely after 7pm. Mostly cloudy, with a low around 36.
Sunday: Rain likely, mainly before 7am. Partly sunny, with a high near 43.
Sunday Night: Partly cloudy, with a low around 30.
Monday: Mostly sunny, with a high near 45.
Monday Night: Partly cloudy, with a low around 34.
Tuesday: A chance of rain. Mostly cloudy, with a high near 48.
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …
NIGHT SKY THIS MONTH …
Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky.” Check the night sky objects for this month and past months in the playlist from the Space Telescope Science Institute YouTube channel (Musical track The Far River written by Jonn Serrie, from the album And the Stars Go With You courtesy of New World Music Ltd).
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Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
512 AM CST Wed Nov 23 2022
.SHORT TERM… Issued at 225 AM CST Wed Nov 23 2022
Majority of guidance has continued to exhibit a cool bias with this week`s warm up and have based today`s high temps largely off local climo of high temps vs progged 925mb temps. This technique has performed well the past couple of days and would support highs generally in the upper 50s to near 60 today. Other than a bit of cirrus streaming into southern CWA late, today will be another sunny day.
Skies will become mostly cloudy tonight, which along with rising dewpoints should result in milder lows compared to recent nights. Thanksgiving will continue to feature above average temperatures, though cloudy skies should keep temps cooler than today. Theta-e advection in advance of an approaching trough should allow for some widely scattered showers to develop, particularly during the afternoon. It doesn`t look like a washout, but don`t be surprised if you need to dodge a few rain drops Thanksgiving Day.
– Izzi/NWS Chicago