🌒 🌓 🌕 🌗 Waxing Crescent Moon, sky cover overnight Thu. to Fri. 7% to 9% to 8%, winds SW, 7 to 9 MPH, Low 34, 6a to 7a
NWS CHGO | NWS HRLY | /NWSchicago | 🌡
ARLINGTON HEIGHTS WEATHER
▴ forecast7 (Arl. Hts.) | RADAR | WIDE RADAR
IMPORTANT NOTE ON NWS DATA
Friday Night …
No Weather Hazards expected…
This Weather Outlook is for portions of North Central Illinois…Northeast Illinois and Northwest Indiana.
The airmass in the wake of the recent cold front from Thursday night is of Pacific origin, so while it is drier, it is not that cold.
Saturday will see a modest increase in higher level clouds along with another uptick in temperatures. Normally high temps are in the low to mid 40s in late November, but mid 50s, and possibly upper 50s may be recorded if the clouds don`t fill in too quickly late Saturday.
High pressure over southern Illinois will slide east across the Ohio and Tennessee valley tonight into Saturday.
Otherwise, quiet and dry weather continues Friday night, with seasonable lows in the upper 20s to lower 30s Saturday morning.
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O’HARE FORECAST …
Forecast Beginning Friday Night, Nov. 25, 2022
Friday Night: Mostly clear, with a low around 34. West southwest wind 5 to 10 mph.
Saturday: Sunny, with a high near 56. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night: Rain after midnight. Low around 40. South southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Sunday: Rain before 3pm, then a chance of rain and snow. High near 42. North northeast wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night: Mostly cloudy, with a low around 29.
Monday: Mostly sunny, with a high near 45.
Monday Night: Partly cloudy, with a low around 37.
Tuesday: A chance of showers after noon. Mostly cloudy, with a high near 54.
Tuesday Night: Showers likely before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 39.
Wednesday: A chance of rain and snow. Partly sunny, with a high near 40. Breezy.
Wednesday Night: Partly cloudy, with a low around 24. Breezy.
Thursday: Mostly sunny, with a high near 36.
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
1102 PM CST Fri Nov 25 2022
.UPDATE… Issued at 838 PM CST Fri Nov 25 2022
No significant changes to the forecast this Friday evening. Did make some minor tweaks to lower temps a bit in some of our typically colder spots, especially with the quick drop after sunset this evening.
Surface high pressure ridge was analyzed from central MO into downstate IL this evening, with weather across the region generally clear and dry. Surface dew points mixed out into the upper 20s in many spots this afternoon, and with a dry air mass, clear skies and light winds we saw several spots dip quickly into the lower 30s after sunset. While warm advection was occurring aloft, strong decoupling of the cool and stable boundary layer should allow temps in some of our typical cold spots to dip into the upper 20s by morning. Did adjust mins downward in these areas, and also lowered wind speeds a bit per obs trends. Otherwise, going forecast looks to be right on track.
Saturday will start out sunny, though we`ll see a gradual increase in high clouds later in the afternoon. The sun combined with breezy southwest winds should make for temps a few degrees warmer than we had today, with highs in the mid-50s most areas and perhaps even a few upper 50s. Clouds continue to thicken and lower Saturday evening, with rain eventually developing from the south late. Some areas may see some light rain develop prior to midnight south of I-80, though rain looks to hold of until after midnight for areas farther north.