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DuPage County
 Details for DuPage County Heat Advisory
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Heat Advisory HEAT ADVISORY - DuPage 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: 09-Aug-2026 @ 12:50pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.8°F than last hour.

86.8°F

Heat Index:  98.4°F
Feels like:  98.4°F
---
High Today
89.1°F
12:05 PM 		Low Today
61.9°F
4:35 AM
Yest High
86.2°F
2:47 PM 		Yest Low
65.5°F
11:59 PM
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
Day time Day time

Wind from ENE Wind:  ENE
0.3
Gusting to:
 0.9 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
4.3 of 100
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Hi 84 °F Lo 70 °F Hi 85 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.6°F since last hour. 76.7°F
Last Hour: Decreased 1.6°F since last hour. 1.6°F
High 11:50 AM: 78.5°F
Low 4:35 AM: 60.7°F
Record High: 82.2°F on
Jul-3-2026
Record Low: 26.8°F on
May-7-2026
Wetbulb: 79.6°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.15 in
Aug Rain: 4.37 in
Aug to Date
  Avg:10 		0.00 in
Aug to Date
  Diff from Avg:10 		Over 4.37 in for the month 4.37 in
Aug Avg: 0.00 in
Diff from Avg: Over 4.37 in for the month 4.37 in
Season:1 24.80 in
YTD
  Avg:11 		20.25 in
YTD
  Diff from Avg:11 		Over 4.55 in for the year 4.55 in
Last Rain
Time/Date: 		Aug-6-2026
at 6:03 AM
29 rain days in 2026
3 days in August
2 days since last rain
Current: ENE  0.3 mph
1Hr Average: 0.3 mph
Wind Run: 4.53 miles
Wind Gust
Current: 0.9 mph
Today: 9.0 mph 9:40 AM
Month: 11.3 mph 1-Aug
Year: 22.6 mph 3-Jul
Record Gust: 22.6 mph
Jul-3-2026
Sunlight:
14 h 8 m 32 s
of Sunlight Yesterday
14 h 6 m 11 s
of Sunlight Today Which is
2 min 21 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Crescent
Waning Crescent, 26 days, 8 hours, 8 minutes in cycle
12%
Illuminated
Humidity Barometer
Current: No Change 72%
Last Hour: No Change 0%
High 5:17 AM: 97%
Low 12:09 PM: 69%
Record High: 97%
May-24-2026
Record Low: 21%
Jun-2-2026
Current: Falling 0.029 inHg/hr 29.372 inHg
Last Hour: Falling
High 12:31 AM: 29.464
Low 12:38 PM: 29.363
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: 0.6
Aug: 78.4
2026 to Date: 632.1
Heating Degree Days
2026 to Date: 161.6
Current: 98.4°F
High 12:05pm: 103.9°F
Yesterday: 89.9°F
Record: 120.0°F
Jun-30-2026
Quality
Index6:
58

Moderate
Density:
1.13 kg/m3
UV Summary/Forecast Solar Summary
Aug-09

8.3 		Aug-10

8.2 		Aug-11

8.1
Sunrise is at: 5:54 am
Solar Noon: 12:57
Sunset is at: 8:01 pm
Almanac   Station All Time Records Cloud Level
Currently: Afternoon
YTD Avg Temp: 70.4°F
Sunrise: 5:54 am
Sunset: 8:01 pm
Moonrise: 1:47 am
Moonset: 5:58 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:5 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
METRIC | IMPERIAL
Updated: 09-Aug-2026 @ 12:50pm  
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 9 of just the month of August for this station since 2012.   11 Historical average rain this season to day 9 of August for this station since 2012.
  Weather Forecast   -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 84 °F 		NWS forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 84, with temperatures falling to around 78 in the afternoon. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local station forecast: Mostly cloudy with little temp change, precipitation likely, windy with possible wind shift to the w, nw, or n. 		Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Lo 70 °F 		NWS forecast: Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
  Short Term Weather Forecast
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday
Night
Monday Night: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Tuesday

Tuesday: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday

Thursday: Partly Sunny
Partly Sunny
Hi 85 °F Lo 70 °F Hi 84 °F Lo 69 °F Hi 82 °F Lo 66 °F Hi 79 °F



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