🌔 🌕 🌗 🌑 Waxing Gibbous Moon, sky cover overnight Mon. to Tue. 25% to 8%, winds NW to WNW, 10 to 3 MPH, Low -2, 2a to 4a
NWS CHGO | NWS HRLY | /NWSchicago | 🌡
ARLINGTON HEIGHTS WEATHER
▴ forecast7 (Arl. Hts.) | RADAR | WIDE RADAR
IMPORTANT NOTE ON NWS DATA
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 Monday/Tuesday …
Weather Hazards expected …
Elevated Excessive Cold Risk.
Lows will drop in double digits below zero near Rockford Monday night, especially where several inches of snow fell in northwest Chicagoland.
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NORTH COOK COUNTY FORECAST …
Monday evening, Point Forecast was down again. Therefore the Northern Cook County Forecast displays lows ranging from 1 below to 7 below zero across northern Cook County.
Forecast Beginning Monday Night, Jan. 30 , 2023 …
Monday Night: Partly cloudy early in the evening then clearing. Lows 1 below to 7 below zero. Wind chills as low as 7 below to 17 below zero. Northwest winds 5 to 10 mph.
Tuesday: Mostly sunny. Highs around 13. Lowest wind chill readings 8 below to 18 below zero in the morning. West winds 5 to 10 mph.
Tuesday Night: Clear. Lows around 2 above. Wind chills as low as 5 below to 15 below zero. Southwest winds 5 to 10 mph.
Wednesday: Sunny. Highs in the mid 20s. Lowest wind chill readings 2 below to 12 below zero in the morning. Southwest winds 10 to 15 mph.
Wednesday Night: Mostly clear. Lows around 15. Southwest winds 10 to 15 mph.
Thursday: Mostly sunny. Highs in the upper 20s.
Thursday Night: Mostly clear after midnight. Lows zero to 5 above zero.
Friday: Mostly sunny. Highs around 15.
Friday Night: Mostly cloudy. Lows 5 to 10 above.
Saturday: Mostly cloudy. Highs in the lower 30s.
Saturday Night: Cloudy. Lows in the upper 20s.
Sunday: Mostly cloudy. Highs in the mid 30s.
Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows 15 to 20.
Monday: Partly cloudy. Highs in the mid 30s.
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
534 PM CST Mon Jan 30 2023
.SHORT TERM… Issued at 210 PM CST Mon Jan 30 2023
Through Tuesday night…
A large center of high pressure encroaching from the northwest will keep the short term forecast quiet, but awfully cold. The persistent cold advection from said high has prevented temperatures today from warming more than a few degrees from early this morning, even in northwest Chicagoland where they`ve been gifted with a fair amount of sunshine so far today. Early this afternoon, the area is sitting in the upper single digits and teens. However, a decent breeze out of the northwest is keeping wind chills in the single digits below zero across most areas. The aforementioned sunshine is slowly creeping across the CWA this afternoon as a pesky stratus deck is taking its time sneaking out of here. The southern CWA may not even see clearing until after sundown. Nonetheless, the area should see mostly clear skies through evening and night, aiding in the bitter cold conditions in store for tonight and early tomorrow.
Temperatures around daybreak tomorrow are forecast in the single digits south of I-80 down to the double digits below zero in spots across the Rockford metro and surrounding areas. With the high centering itself over northern Illinois tomorrow morning, winds tonight into the morning should be very light, if not calm for several hours over the northwest CWA. Therefore, wind chills shouldn`t depart too far from actual temperatures. Minimum wind chills are forecast to drop near -20 degrees in spots across the northwest CWA. Opted out of a wind chill advisory for tonight given the overall lack of wind and widespread wind chills expected to be slightly warmer than advisory criteria.
Tomorrow will see similar temperatures to today with highs in the teens. Wind chills through the better part of the day are expected to be in the single digits on either side of 0. Modest warm air advection in the return flow of the departing high will bring slightly warmer conditions for tomorrow night. Lows will be in the single digits to slightly below zero with wind chills as low as the teens below zero.