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Air Quality Alert AIR QUALITY ALERT - DuPage County  - Will County

NWS Central Great Lakes Regional Radar WU North Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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METRIC | IMPERIAL
Updated: 18-Jul-2026 @ 11:15pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 2.6°F than last hour.

72.7°F

---
High Today
91.2°F
4:06 PM 		Low Today
72.7°F
11:13 PM
Yest High
93.9°F
12:47 PM 		Yest Low
73.1°F
5:26 AM
Sta* High
---°F
2026 		Sta* Low
---°F
2026
* This Station's Records Since 12/2012
Rec* High
32.0°F
0 		Rec* Low
32.0°F
0
* Records from Weather Underground
Night time, Dry Night time, Dry

Wind from NW Wind:  NW
0.9
Gusting to:
 0.0 mph
Current Rain Rain:
0.06 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
1.8 of 100
Tonight

Tonight: Smoke
Smoke
Sunday

Sunday: Smoke
Smoke
Sunday
Night
Sunday Night: Areas Of Smoke then Mostly Clear
Areas Of Smoke then Mostly Clear
Lo 66 °F Hi 82 °F Lo 62 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 2.9°F since last hour. 65.1°F
Last Hour: Decreased 2.9°F since last hour. 2.9°F
High 12:48 PM: 79.8°F
Low 11:10 PM: 64.8°F
Record High: 82.2°F on
Jul-3-2026
Record Low: 26.8°F on
May-7-2026
Wetbulb: 67.9°F
Rain Today
rain graph
Today: 0.06 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Jul Rain: 3.36 in
Jul to Date
  Avg:10 		0.00 in
Jul to Date
  Diff from Avg:10 		Over 3.36 in for the month 3.36 in
Jul Avg: 0.00 in
Diff from Avg: Over 3.36 in for the month 3.36 in
Season:1 17.68 in
YTD
  Avg:11 		14.19 in
YTD
  Diff from Avg:11 		Over 3.49 in for the year 3.49 in
Last Rain
Time/Date: 		Jul-18-2026
at 12:37 PM
23 rain days in 2026
4 days in July
0 days since last rain
Current: NW  0.9 mph
1Hr Average: 0.1 mph
Wind Run: 23.22 miles
Wind Gust
Current: 0.0 mph
Today: 10.4 mph 9:46 AM
Month: 22.6 mph 3-Jul
Year: 22.6 mph 3-Jul
Record Gust: 22.6 mph
Jul-3-2026
Sunlight:
14 h 51 m 56 s
of Sunlight Yesterday
14 h 50 m 22 s
of Sunlight Today Which is
1 min 34 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Crescent
Waxing Crescent, 4 days, 18 hours, 33 minutes in cycle
26%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 77%
Last Hour: Decreased 1% since last hour. 1%
High 4:04 AM: 89%
Low 4:34 PM: 47%
Record High: 97%
May-24-2026
Record Low: 21%
Jun-2-2026
Current: Rising 0.021 inHg/hr 29.407 inHg
Last Hour: Rising slowly
High 11:06 PM: 29.407
Low 3:54 PM: 29.261
Record High: 29.787 inHg
Jun-3-2026
Record Low: 28.777 inHg
Jun-17-2026
Cooling Degree Days Coming Soon Heat Index Air
Today: 15.4
Jul: 215.8
2026 to Date: 446.6
Heating Degree Days
2026 to Date: 161.4
Current: 73.6°F
High 12:24pm: 106.7°F
Yesterday: 109.9°F
Record: 120.0°F
Jun-30-2026
Data Not
Available

Data Not Available
Density:
1.16 kg/m3
UV Summary/Forecast Solar Summary
Jul-18

8.8 		Jul-19

9.2 		Jul-20

9.6
Sunrise is at: 5:33 am
Solar Noon: 12:58
Sunset is at: 8:23 pm
Almanac   Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 69.4°F
Sunrise: 5:33 am
Sunset: 8:23 pm
Moonrise: 11:40 am
Moonset: 10:45 pm
Full Moon: Jul-29-2026
New Moon: 17:37 UTC
Aug-12-2026
HIGHS: LOWS:
98.8°F
Jul-14-2026 		29.3°F
May-7-2026
Daytime Records
  91.2°F
Jul-01-2026 		  54.0°F
May-06-2026
Nitetime Records
  84.2°F
Jul-01-2026 		  39.6°F
May-07-2026
ICN:1 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
METRIC | IMPERIAL
Updated: 18-Jul-2026 @ 11:15pm  
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 18 of just the month of July for this station since 2012.   11 Historical average rain this season to day 18 of July for this station since 2012.
 NWS Weather Forecast   -   Outlook Tonight & Sunday
Tonight

Tonight: Smoke
Smoke

Lo 66 °F 		NWS forecast: Smoke. Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph.
Local station forecast: Mostly cloudy and cooler, windy with possible wind shift to the w, nw, or n. 		Sunday

Sunday: Smoke
Smoke

Hi 82 °F 		NWS forecast: Smoke. Mostly sunny, with a high near 82. East northeast wind around 5 mph.
 NWS Short Term Weather Forecast
Sunday
Night
Sunday Night: Areas Of Smoke then Mostly Clear
Areas Of Smoke then Mostly Clear
Monday

Monday: Partly Sunny
Partly Sunny
Monday
Night
Monday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday

Tuesday: Showers And Thunderstorms Likely then Mostly Sunny
Showers And T-Storms Likely then Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Lo 62 °F Hi 86 °F Lo 70 °F Hi 86 °F Lo 63 °F Hi 79 °F Lo 58 °F



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