🌖 🌗 🌑 🌓 Waning Gibbous Moon, sky cover overnight Sat. to Sun., 12% to 40 to 8%, winds SW to NW to WNW, 11 to 7 MPH, G20 to 14 MPH, Low 39, 6a to 7a
NWS CHGO | NWS HRLY | /NWSchicago | 🌡
ARLINGTON HEIGHTS WEATHER
▴ forecast7 (Arl. Hts.) | RADAR | WIDE RADAR
IMPORTANT NOTE ON NWS DATA
No Watches or Warnings overnight Saturday to Sunday.
Updates at Arlingtoncardinal.com/NWSChicago
Temperatures to the north will still be cold enough to create some spotty frost along and north of
I-88, and away from Chicago, early Sunday morning.
O’HARE FORECAST …
Forecast Beginning Saturday Night, Oct. 15, 2022
Saturday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday: Increasing clouds, with a high near 54. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night: Mostly cloudy, with a low around 33. West northwest wind around 15 mph, with gusts as high as 25 mph.
Monday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 42. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night: Partly cloudy, with a low around 31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday: Mostly sunny, with a high near 46.
Tuesday Night: Mostly clear, with a low around 29.
Wednesday: Mostly sunny, with a high near 48.
Wednesday Night: Mostly cloudy, with a low around 36.
Thursday: Partly sunny, with a high near 55.
Thursday Night: Partly cloudy, with a low around 36.
Friday: Mostly sunny, with a high near 61.
Friday Night: Partly cloudy, with a low around 44.
Saturday: Mostly sunny, with a high near 65.
O’Hare forecast archive and hourly weather observations archive are available HERE on the CARDINAL NEWS Magazine.
NIGHT SKY THIS MONTH …
Check the night sky objects for this month and past months in the playlist from the Space Telescope Science Institute YouTube channel Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky” (Musical track The Far River written by Jonn Serrie, from the album And the Stars Go With You courtesy of New World Music Ltd. Musical track The Far River written by Jonn Serrie, from the album And the Stars Go With You courtesy of New World Music Ltd).
Telephoto lens, ISO 100, f/11, Shutter Speed 1/100 to 1/125 for the Moon.
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Telephoto lens, ISO 1600, f/11, Shutter Speed 2.5″ for the skyline. The skyline exposure was toned down, and brightness and contrast was adjusted in Photoshop.
Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
237 PM CDT Sat Oct 15 2022
Issued at 235 PM CDT Sat Oct 15 2022
A surface high to our west will slip to our south and southeast today, with mostly clear skies and westerly winds becoming southwesterly. Winds will be gusty this afternoon, with gusts up to 25 mph. Cloud cover associated with an approaching front will increase later this afternoon into the evening, but will move off to the east after midnight. No precipitation is expected from this overnight front. Winds will remain a bit gusty this evening, with gusts up to 20 mph possible, but decreasing after midnight. 850 MB temperatures, which started out below 0 C, will climb to around 5 C tonight, which is still below the normal 8 C. This slight increase and slight southerly flow will lead to lows several degrees warmer Sunday morning, ranging from the mid 30s to the north, to around 40 to the south and across Chicago. Temperatures to the north will still be cold enough to create some spotty frost along and north of I-88, and away from Chicago, early Sunday morning.
Sunday morning will start with mostly clear skies, but clouds will increase once again midday as a stratocumulus deck develops from a reinforcing shot of cold air Sunday afternoon. Temperatures between 900 and 800 MB will drop below freezing, with a bit of elevated CAPE within the cloud deck, which may lead to a chance for some isolated showers Sunday afternoon, mainly in northeast Illinois. Winds will increase again Sunday afternoon with gusts of 25 to 30 mph. Cold air advection (CAA) at the surface will not start until the later afternoon/early evening, with Sunday high temperatures in the 50s.