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Extreme Heat Warning EXTREME HEAT WARNING - DuPage County
Heat Advisory HEAT ADVISORY - 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: 29-Jun-2026 @ 4:25am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.3°F than last hour.

77.3°F

---
High Today
78.5°F
12:28 AM 		Low Today
77.3°F
2:46 AM
Yest High
85.9°F
1:54 PM 		Yest Low
63.3°F
5:41 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, Humid Night time, Humid

Wind from ESE Wind:  ESE
0.0
Gusting to:
 0.9 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.6 of 100
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Monday

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Lo 75 °F Hi 92 °F Lo 76 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: No Change 74.1°F
Last Hour: No Change 0°F
High 4:06 AM: 74.2°F
Low 12:00 AM: 73.4°F
Record High: 78.8°F on
Jun-9-2026
Record Low: 26.8°F on
May-7-2026
Wetbulb: 75.1°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 1.01 in
Jun Rain: 8.56 in
Jun to Date
  Avg:10 		0.00 in
Jun to Date
  Diff from Avg:10 		Over 8.56 in for the month 8.56 in
Jun Avg: 0.00 in
Diff from Avg: Over 8.56 in for the month 8.56 in
Season:1 14.32 in
YTD
  Avg:11 		5.71 in
YTD
  Diff from Avg:11 		Over 8.61 in for the year 8.61 in
Last Rain
Time/Date: 		Jun-25-2026
at 6:26 AM
20 rain days in 2026
13 days in June
4 days since last rain
Current: ESE  0.0 mph
1Hr Average: Calm
Wind Run: 0.03 miles
Wind Gust
Current: 0.9 mph
Today: 3.5 mph 12:21 AM
Month: 19.1 mph 10-Jun
Year: 19.1 mph 10-Jun
Record Gust: 19.1 mph
Jun-10-2026
Sunlight:
15 h 11 m 33 s
of Sunlight Yesterday
15 h 11 m 3 s
of Sunlight Today Which is 30 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Gibbous
Waxing Gibbous, 14 days, 6 hours, 33 minutes in cycle
100%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 90%
Last Hour: Increased 1% since last hour. 1%
High 4:06 AM: 90%
Low 12:00 AM: 85%
Record High: 97%
May-24-2026
Record Low: 21%
Jun-2-2026
Current: Rising 0.002 inHg/hr 29.341 inHg
Last Hour: Steady
High 1:50 AM: 29.353
Low 12:47 AM: 29.336
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: 2.2
Jun: 118.4
2026 to Date: 189.7
Heating Degree Days
2026 to Date: 161.4
Current: 78.9°F
High 12:28am: 78.5°F
Yesterday: 94.8°F
Record: 106.2°F
Jun-9-2026
Quality
Index6:
48

Good
Density:
1.15 kg/m3
UV Summary/Forecast Solar Summary
Jun-29

9.4 		Jun-30

10.1 		Jul-01

9.2
Sunrise is at: 5:19 am
Solar Noon: 12:55
Sunset is at: 8:31 pm
Almanac   Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 65.8°F
Sunrise: 5:19 am
Sunset: 8:31 pm
Moonrise: 8:09 pm
Moonset: 4:33 am
Full Moon: Jun-29-2026
New Moon: 09:44 UTC
Jul-14-2026
HIGHS: LOWS:
93.0°F
Jun-6-2026 		29.3°F
May-7-2026
Daytime Records
  83.8°F
Jun-06-2026 		  54.0°F
May-06-2026
Nitetime Records
  77.7°F
May-18-2026 		  39.6°F
May-07-2026
ICN:1 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
METRIC | IMPERIAL
Updated: 29-Jun-2026 @ 4:25am  
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 29 of just the month of June for this station since 2012.   11 Historical average rain this season to day 29 of June for this station since 2012.
 NWS Weather Forecast   -   Outlook Overnight & Monday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 75 °F 		NWS forecast: Partly cloudy, with a low around 75. South southeast wind around 10 mph.
Local station forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy. 		Monday

Monday: Mostly Sunny
Mostly Sunny

Hi 92 °F 		NWS forecast: Mostly sunny. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 104. South wind 10 to 15 mph, with gusts as high as 25 mph.
 NWS Short Term Weather Forecast
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And T-Storms
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Lo 76 °F Hi 94 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 93 °F Lo 74 °F



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Jetstream from WeatherUnderground.com
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Sea Surface Tempeatures from SSEC.wisc.edu
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