🌖 🌗 🌑 🌓 Waning Gibbous Moon, sky cover overnight Wed. to Thu. 18% to 44% to 21%, winds E to ESE to SE, 8 to 3 MPH, Low 54, 4a to 6a
NWS CHGO | NWS HRLY | /NWSchicago | 🌡
ARLINGTON HEIGHTS WEATHER
▴ forecast7 (Arl. Hts.) | RADAR | WIDE RADAR
IMPORTANT NOTE ON NWS DATA
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NIGHT FORECASTS …
NOTE: Keep in mind lunar rise and set times don’t always correspond with night weather and early morning lows because on some days during the month the moon is visible in the sky predominantly during the daytime hours.
Overnight Wednesday to Thursday …
No Weather Hazards expected …
Partly cloudy, with a low around 54. East wind 5 to 10 mph. Partly cloudy with slight increase in clouds overnight.
Some patchy marine fog could develop along portions of the Illinois lakeshore again Wednesday into Thursday morning.
O’HARE FORECAST …
Forecast Beginning Wednesday Night, May 10, 2023 …
Wednesday Night: Partly cloudy, with a low around 54. East wind 5 to 10 mph.
Thursday: Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.
Thursday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 60. East wind 5 to 10 mph.
Friday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 72. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 73.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 56.
Sunday: A chance of showers. Mostly cloudy, with a high near 66.
Sunday Night: Mostly cloudy, with a low around 49.
Monday: Mostly sunny, with a high near 70.
Monday Night: Partly cloudy, with a low around 54.
Tuesday: Mostly sunny, with a high near 77.
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
1244 AM CDT Thu May 11 2023
.SHORT TERM… Issued at 254 PM CDT Wed May 10 2023
Through Thursday night…
All remains quiet here in the near term as high pressure remains stationed over the northeast quadrant of the CONUS. Temperatures have warmed into the mid to upper 70s this afternoon across most of our forecast area, save for our lake-adjacent locales as a lake breeze has pulled the cooler marine air mass inland. Temperatures may still tag 80 in some spots this afternoon but are otherwise expected to fall into the 50s tonight. Can`t completely rule out some patchy marine fog developing along portions of the Illinois lakeshore again tonight into tomorrow morning, but confidence in this occurring was not high enough to justify introducing a formal mention of this in the forecast grids at this point.
Tomorrow will more or less have a similar feel to today with unseasonably mild temperatures (a few degrees warmer than today`s at most locations), fairly dry humidity levels, and no precipitation anticipated during the daytime hours. Another lake breeze should charge inland and result in cooler temperatures near the lake, particularly along the Illinois side of the lakeshore. Cloud cover should be on the increase, especially late in the day, as a weather system approaches from the south. As this system draws a plume of rich Gulf moisture northward, scattered showers and perhaps a few storms will likely spread into our CWA Thursday night, though not anticipating any much of any impacts with this activity with the main instability plume lagging behind the initial moisture surge.