🌔 🌕 🌗 🌑 Waxing Gibbous Moon, sky cover overnight Mon. to Tue. 96% to 100%, light rain ends by 12a, winds NW, 22 to 18 MPH, G34 to 28 MPH, diminishing gradually Tuesday, Low 42, 4a to 7a
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 Monday to Tuesday …
Weather Hazards expected …
Limited Non Thunderstorm Wind Risk.
Northwesterly wind gusts of 30 to 35 mph are likely overnight Monday to Tuesday, and will gradually decrease during the day on Tuesday.
O’HARE FORECAST …
Forecast Beginning Monday Night, May 01, 2023 …
Monday Night: Cloudy, with a low around 40. West northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday: A 20 percent chance of rain after 1pm. Cloudy, with a high near 51. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday: Mostly sunny, with a high near 58. North wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night: Partly cloudy, with a low around 39. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Thursday: Sunny, with a high near 66.
Thursday Night: Partly cloudy, with a low around 47.
Friday: Partly sunny, with a high near 66.
Friday Night: Partly cloudy, with a low around 49.
Saturday: Mostly sunny, with a high near 67.
Saturday Night: Partly cloudy, with a low around 50.
Sunday: A chance of showers. Mostly sunny, with a high near 73.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 55.
Monday: A chance of showers. Partly sunny, with a high near 75.
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
1224 AM CDT Tue May 2 2023
.SHORT TERM… Issued at 225 PM CDT Mon May 1 2023
Through Tuesday night…
An upper-level low continues to spiral above the Great Lakes which has lead to the development of showers across much of northeastern Illinois and northwest Indiana. As the low begins to pull away this evening showers will gradually come to an end with most areas expected to be dry by midnight. Blustery northwest winds continue to be observed across the area this afternoon with gusts upwards of 35 to 45 mph especially near the I-39 corridor. While these gusts will ease some this evening, breezy conditions are expected to linger through the day on Tuesday though with lighter gusts on upwards of 30 mph.
Warmer conditions will begin to filter into the area on Tuesday as the low continues to push eastward, but temperatures will still be roughly 10 degrees below normal for early May with highs forecast to be in the low to mid-50s. There will also be a chance for a few showers Tuesday afternoon as a vorticity maxima dives across the region. Forecast soundings do show that profiles would be slightly drier than today which should help to limit the coverage of the showers with our far eastern Illinois counties and northwest Indiana having the greatest potential. Thankfully, showers are expected to taper quickly during the evening hours as drier air moves in and begins to clear out the clouds. However, the clearing skies will allow temperatures to cool into the lower to mid 30s with some locations across far northern Illinois possibly dipping below freezing Tuesday night. Though frost is not favored as winds are expected to remain elevated.