Friday Hi 80, mostly sunny, winds NNE to NNW to NNE, 5 to 10 to 5 MPH
⏪ Hrly Data Table | Hrly Future Graph ⏩
IMPORTANT NOTE ON NWS DATA
⏪ Hrly Data Table | Hrly Future Graph ⏩
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Friday and Friday Evening …
No Weather Hazards …
Sunny, with a high near 81. North northeast wind 5 to 10 mph.
We will continue with our dry and seasonably cool stretch through the short term period as a surface high gradually sags southward across our area into Friday. Expect temperatures to only top out out in the mid to upper 70s inland, and in the 60s along the lake shore today.
O’HARE FORECAST …
Forecast Beginning Friday, June 9, 2023
Friday: Sunny, with a high near 81. North northeast wind 5 to 10 mph.
Friday Night: Mostly clear, with a low around 59. East southeast wind 5 to 10 mph becoming west southwest after midnight.
Saturday: Mostly sunny, with a high near 85. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. West southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday: Showers, mainly before 1pm. High near 64. Breezy, with a north northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 52. Breezy.
Monday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 70.
Monday Night: A chance of showers. Mostly cloudy, with a low around 57.
Tuesday: A chance of showers before 1pm. Partly sunny, with a high near 77.
Tuesday Night: Partly cloudy, with a low around 58.
Wednesday: Mostly sunny, with a high near 83.
Wednesday Night: Partly cloudy, with a low around 59.
Thursday: Mostly sunny, with a high near 80.
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …
NIGHT SKY THIS MONTH …
Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky.” Check the night sky objects for this month and past months in the playlist from the Space Telescope Science Institute YouTube channel (Musical track The Far River written by Jonn Serrie, from the album And the Stars Go With You courtesy of New World Music Ltd).
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Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
614 AM CDT Fri Jun 9 2023
.SHORT TERM… Issued at 230 AM CDT Fri Jun 9 2023
The overall quiet weather pattern continues through the end of the work week. Surface high pressure lingers overhead through the early morning hours with the center of the high eventually shifting south into central IL by this afternoon turning winds west to northwesterly across interior northern Illinois. This adds some uncertainty with how early and how far inland the afternoon lake breeze makes it in Illinois. Nevertheless, will still advertise cooler temperatures near the lake in the 70s, with highs near or slightly above 80 for inland areas this afternoon. Winds will remain mainly northerly into northwest Indiana where the cooler temps will spread further inland. Only other item of note for today is the addition of “haze” in the gridded forecast for portions of northwest Indiana and parts of east central Illinois based on HRRR/RAP near-surface smoke. Think that actual surface visibility reductions may be somewhat minor but it matches up well with the going AQA for NW IN.
The surface high shifts to our east into Saturday, bringing a return of persistent southwesterly flow after what has felt like an endless stretch of predominant east to northeast flow. As such, the “cooler near the lake” phrase carries less weight on Saturday with highs in the low to mid 80s expected across the area. Depending on how quickly high clouds and perhaps some virga stream in mid-to-late afternoon, portions of northwest Illinois may end up a tad cooler than currently forecast. Any precipitation looks to hold off until after sunset with more details on our weekend precipitation chances discussed in the long term section below.