WEDNESDAY Hi 30, partly sunny to partly cloudy, winds W, 16 to 25 to 13 MPH, G29 to 39 to 21 MPH
⏪ Hrly Data Table | Hrly Future Graph ⏩
IMPORTANT NOTE ON NWS DATA
⏪ Hrly Data Table | Hrly Future Graph ⏩
Wednesday and Wednesday Night …
Weather Hazards expected…
Limited Non Thunderstorm Wind Risk.
Westerly winds will regularly gust to 35 to 40 mph today.
Northeastern Illinois and northwest Indiana are sandwiched between a strong 981 mb low pressure center over southern Canada and a surface high moving across the central Plains, which has created a tight pressure gradient across Chicagoland, and is causing the gusty winds expected to diminish gradually after 3:00 p.m. The winds will continue to advect in much colder, holding high temperatures around 30 degrees this afternoon with the breezy winds making it feel much colder with wind chill values in the 5 to 10 degree range. Tomorrow will only recover to the other upper 30s and gusty winds will return around 3:00 p.m. Thursday.
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O’HARE FORECAST …
Forecast Beginning Wednesday, Nov. 30, 2022
Wednesday: Mostly sunny, with a high near 30. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.
Wednesday Night: Clear, with a low around 19. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Thursday: Sunny, with a high near 38. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Thursday Night: Partly cloudy, with a low around 31. South wind around 15 mph, with gusts as high as 25 mph.
Friday: A 20 percent chance of showers or drizzle after noon. Mostly cloudy, with a high near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 29. Breezy.
Saturday: Sunny, with a high near 32. Breezy.
Saturday Night: Partly cloudy, with a low around 20.
Sunday: Mostly sunny, with a high near 40.
Sunday Night: Mostly cloudy, with a low around 26.
Monday: Mostly cloudy, with a high near 39.
Monday Night: Mostly cloudy, with a low around 28.
Tuesday: A chance of snow. Partly sunny, with a high near 36.
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
1049 AM CST Wed Nov 30 2022
.UPDATE… Issued at 1048 AM CST Wed Nov 30 2022
The going forecast for chilly and windy conditions today remains on track.
Northeastern Illinois and northwest Indiana continue to be sandwiched between a strong 981 mb low pressure center over southern Canada and a surface high moving across the central Plains. The presence of these two systems have created a tight pressure gradient across our forecast area which is leading to the gusty winds currently being observed and that will continue into the evening with gusts of 35 to 40 mph. Additionally, these winds will also continue to advect in much colder air over the area which will keep high temperatures around 30 degrees this afternoon with the breezy winds making it feel much colder with wind chill values in the 5 to 10 degree range. Given these conditions try to limit time outdoors or if you have to be outside dress warmly.
Cloud cover has been starting to clear for parts of the area but areas north of I-80 has been a bit slower to clear this morning with some occasional flurries being observed at times along the Illinois- Wisconsin stateline as well. While forecast soundings show that the limited moisture that is causing the flurries will continue to diminish through the rest of the morning, the cloud cover is expected to linger through the early part of the afternoon before skies begin to gradually clear out going through the rest of the afternoon.