WEDNESDAY Hi 54°F, mostly sunny, winds NW, 16 to 17 to 3MPH, G29 to 14MPH
⏪ Hrly Data Table | Hrly Future Graph ⏩
IMPORTANT NOTE ON NWS DATA
⏪ Hrly Data Table | Hrly Future Graph ⏩
No watches or warnings issued near O’Hare at 8:00 a.m. Wednesday.
Updates at Arlingtoncardinal.com/NWSChicago
Today and Tonight.
No weather hazards expected…
Thick clouds departed Chicagoland around 8:00 a.m. Bright, sunny skies, contrast the dark, long morning shadows of fall. Flat cumulus clouds may develop over the area, but still a lot of sun is expected. Wind gusts to 30 mph expected this morning in Chicagoland, including a few gusts to 40 mph across northern sections of Lake and Porter Counties in Indiana. Wind gusts decrease to 14 mph about 6:00 p.m. Highs in the lower to mid 50s are only a few degrees below normal, but the wind gusts will cause wind chills in the 30s until about 10:00 a.m.
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O’HARE FORECAST …
Forecast Beginning Wednesday, Oct. 26, 2022
Wednesday: Mostly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night: Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Thursday: Mostly sunny, with a high near 56. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night: Mostly cloudy, with a low around 42. East southeast wind 5 to 10 mph.
Friday: Sunny, with a high near 58. East southeast wind 5 to 10 mph.
Friday Night: Mostly clear, with a low around 41.
Saturday: Sunny, with a high near 62.
Saturday Night: Mostly cloudy, with a low around 44.
Sunday: Mostly cloudy, with a high near 60.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 47.
Monday: Partly sunny, with a high near 61.
Monday Night: Partly cloudy, with a low around 46.
Tuesday: Sunny, with a high near 64.
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
624 AM CDT Wed Oct 26 2022
Issued at 230 AM CDT Wed Oct 26 2022
The deformation zone of the departing low pressure remains stretched atop the region early this morning. Low to mid level frontogenesis to the northwest of the surface low and wraparound precipitable waters around 1.2 inches have made some of the rain efficient, with Valparaiso ASOS and other far northwest Indiana automated sensors indicating 3-hourly rainfall of 0.50 to 0.80. As the negatively tilted upper low gets absorbed into the mid- latitude westerlies by shortly after sunrise, it will increase speed and drag the lingering forcing out of the region. Some showers east of I-57 in our forecast area are likely to make it to 8 A.M. or so. The thick clouds will depart shortly thereafter. Within the cold advection pattern, scattered, flat cumulus may try to develop over the area, but still a lot of sun. Wind gusts to 30 mph will be seen this morning, including a few gusts to 40 mph across northern sections of Lake and Porter Counties in Indiana. Highs in the lower to mid 50s are on tap which are a few degrees below normal.
The upper flow returns to progressive albeit still split tonight into Thursday. High pressure of 1027 mb will pass directly over the area overnight. If any thin cirrus is not too thick, it`s possible there is shallow radiational fog overnight in favorable spots. With the high pressure strengthening to our east on Thursday, the return flow aspect will be muted thanks to easterly low-level winds. Also cirrus may thicken more Thursday afternoon, so forecast highs are only a degree or two warmer than today.