🌖 🌗 🌑 🌓 Waning Gibbous Moon, sky cover overnight Tue. to Wed. 70% to 21% to 33%, winds WNW to W to SW, 11 to 3 to 5 MPH, G17 to 13 MPH end 9p, Low 25, 6a to 7a
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 1: Forecast and information text below may refer to a previous night on Arlingtoncardinal.com, and might not be updated until late afternoon, evening, or overnight. However, Night Sky archives on CARDINAL NEWS Magazine include text forecasts that correspond to the lunar phase graphic above.
NOTE 2: 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 Tuesday/Wednesday …
No Weather Hazards expected …
DISCUSSION…
Quiet near-term weather expected, with west winds continuing to diminish late this afternoon and clouds clearing out for most of the area this evening. Only minor concern is for some patchy fog late tonight over parts of the area.
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O’HARE FORECAST …
Forecast Beginning Tuesday Night, Feb. 7 , 2023 …
O’HARE FORECAST …
Tuesday Night: Partly cloudy, with a low around 25. West wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday: Partly sunny, with a high near 46. West northwest wind 5 to 10 mph becoming south southeast in the afternoon.
Wednesday Night: A chance of rain and sleet between 9pm and midnight, then rain. Low around 37. Breezy, with a southeast wind 5 to 10 mph becoming east northeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Thursday: Rain and possibly a thunderstorm before noon, then rain likely. High near 45. Windy, with a southeast wind 15 to 20 mph becoming west 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 30. Blustery, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
Friday: A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 34. North northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Friday Night: Partly cloudy, with a low around 23.
Saturday: Sunny, with a high near 38.
Saturday Night: Mostly clear, with a low around 28.
Sunday: Sunny, with a high near 45.
Sunday Night: Mostly cloudy, with a low around 33.
Monday: Mostly cloudy, with a high near 46.
Monday Night: Partly cloudy, with a low around 32.
Tuesday: A chance of rain. Partly sunny, with a high near 49.
O’Hare forecast archive and hourly weather observations archive are available HERE on the CARDINAL NEWS Magazine.
Arlingtoncardinal.com/moonphases
Arlingtoncardinal.com/nightsky
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
1125 PM CST Tue Feb 7 2023
.SHORT TERM… Issued at 300 PM CST Tue Feb 7 2023
Through Thursday…
Through Wednesday:
Quiet near-term weather expected, with west winds continuing to diminish late this afternoon and clouds clearing out for most of the area this evening. Only minor concern is for some patchy fog late tonight over parts of the area.
Mid-afternoon surface map shows deep low pressure moving east of Hudson Bay, with a trailing cold front now well east of the forecast area stretching from near Detroit to southern IL. Blustery west winds continue to slowly diminish in the wake of the front this afternoon, and will become light by early this evening as surface high pressure spreads east from the Plains. Low clouds are thinning and scattering along/west of the Mississippi River per GOES visible imagery, thus expect clearing from west to east across the area this evening, though far south counties into central IL/IN will be later to scatter out and high clouds will start to spread north into those areas again later tonight. Only minor concern if for the potential for some shallow patchy fog to develop late tonight mainly west and south of the Chicago metro area, though forecast soundings indicate only very shallow attempts at saturation toward sunrise for most areas. RAP/HRRR soundings and raw visibility output actually favor far southern counties a little more, though with potential for increasing high clouds late have low confidence in any real extent of fog there. Thus have only maintained inherited patchy fog mention west of Chicago early Wednesday morning at this time.
Surface high pressure ridge shifts east of the area Wednesday morning, while low pressure deepens to our southwest and lifts to the OK/AR border by Evening. Warm, moist advection develops aloft into the forecast area, with isentropic ascent and increasing upper level divergence developing in the right entrance region of an upper jet streak which strengthens across the Great Lakes region late in the day. As a result, cloud cover will increase and thicken from south to north across the cwa through the day, with light rain likely edging north into the US 24 corridor later in the afternoon. Despite the increased cloud cover, temps should moderate back into the lower and middle 40s for highs.
Ratzer/NWS
