WEDNESDAY Hi 47°F, partly cloudy with increasing clouds, winds NW to W, 11 to 15 to 9 MPH, G23 to 15 MPH
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ARLINGTON HEIGHTS WEATHER
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IMPORTANT NOTE ON NWS DATA
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No watches or warnings issued near O’Hare at 8:00 a.m. Wednesday.
Updates at Arlingtoncardinal.com/NWSChicago
Chilly wind gusts decreases slightly and a little more sun, but the forecast high temperature is still below normal by about 14°F.
No Chicagoland Weather hazards expected…
DISCUSSION…
Winds persist, but a slight warmup with more sunny skies compared to the last few days. The slight warmup Wednesday precedes an upcoming period of normal seasonal temps and even warmer than normal seasonal temps beginning Thursday. Winds will shift from the northwest to west by about 6 PM with gusty winds continuing all day Wednesday through Thursday at about 5 PM.
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O’HARE FORECAST …
Forecast Beginning Wednesday, Oct. 18, 2022
Wednesday: Sunny, with a high near 47. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night: Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 15 mph.
Thursday: Mostly sunny, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night: Partly cloudy, with a low around 39. West wind around 5 mph becoming south southwest after midnight.
Friday: Mostly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night: Mostly clear, with a low around 51.
Saturday: Sunny, with a high near 75.
Saturday Night: Partly cloudy, with a low around 58.
Sunday: Mostly sunny, with a high near 75. Breezy.
Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 58.
Monday: A chance of showers. Partly sunny, with a high near 70.
Monday Night: A chance of showers. Mostly cloudy, with a low around 51.
Tuesday: A chance of showers. Partly sunny, with a high near 62.
CHICAGOWEATHERSTATION.COM
ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow
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WunderMap® with Temperature/Wind Data || Google: Arlington Heights Area Temps | US TEMPS
Full Screen Motion Weather Radar (Wunderground.com)
Midwest Cloud Cover with Arlington Heights Weather Forecast
ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow
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
613 AM CDT Wed Oct 19 2022
.SHORT TERM…
Issued at 250 AM CDT Wed Oct 19 2022
Through Thursday…
The upper low that has been the primary driver of the weather across the Great Lakes region since the weekend will finally begin lifting northeast tonight. WNW winds will continue to gust over 20 mph at times today while advecting in much drier low-level air. A substantially dry pocket marked by dew points in the single digits above zero from southern MN through western IA will edge toward at least the southwest half of the CWA. While a slight inversion around 4kft will limit deeper mixing to some degree, any mixing under generally sunny skies should still tap into exceptionally dry air (850 hPa RH and mixing ratio of <5% and <0.3g/kg, respectively) above the inversion. Afternoon dew points may very well fall into the single digits above zero in the southwest CWA to as low as the upper teens in the northeast. With winds diminishing and fine fuel moisture only marginally low, critical fire wx conditions likely will not be met even with the potentially low RH values. One final upper trough axis rotating around the main low to the east will bring plenty of mid to upper-level clouds tonight that will place a floor on min temps in the upper 20s to low 30s for much of the area. Low-level WAA will also ensue tonight as 850 hPa temps increase from around -4C this evening to +5C by Thursday evening. Temps Thursday will moderate back to near normal with highs in the upper 50s to perhaps low 60s. Kluber/NWS Chicago
