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 Details for Will County Dense Fog Advisory  +1 additional alert
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 Details for DuPage County Dense Fog Advisory  +1 additional alert
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Dense Fog Advisory DENSE FOG ADVISORY - DuPage County  - Will County
Flood Watch FLOOD WATCH - 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: 13-Aug-2026 @ 4:45am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.5°F than last hour.

68.6°F

Feels like:  61.8°F
---
High Today
73.0°F
12:00 AM 		Low Today
68.1°F
4:16 AM
Yest High
85.2°F
5:19 PM 		Yest Low
68.4°F
11:19 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

Calm Wind:  W
0.0
Gusting to:
 0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.5 of 100
Overnight

Overnight: Areas Of Fog
Areas Of Fog
Thursday

Thursday: Widespread Fog then Chance Showers And Thunderstorms
Widespread Fog then Chance Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Lo 67 °F Hi 80 °F Lo 67 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.2°F since last hour. 67.7°F
Last Hour: Decreased 0.2°F since last hour. 0.2°F
High 12:00 AM: 70.5°F
Low 4:16 AM: 66.9°F
Record High: 82.2°F on
Jul-3-2026
Record Low: 26.8°F on
May-7-2026
Wetbulb: 68.0°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 1.04 in
Last 7 Days: 3.30 in
Aug Rain: 6.51 in
Aug to Date
  Avg:10 		0.00 in
Aug to Date
  Diff from Avg:10 		Over 6.51 in for the month 6.51 in
Aug Avg: 0.00 in
Diff from Avg: Over 6.51 in for the month 6.51 in
Season:1 26.94 in
YTD
  Avg:11 		20.25 in
YTD
  Diff from Avg:11 		Over 6.69 in for the year 6.69 in
Last Rain
Time/Date: 		Aug-12-2026
at 10:41 AM
31 rain days in 2026
5 days in August
0 days since last rain
Current: W  0.0 mph
1Hr Average: Calm
Wind Run: 0.00 miles
Wind Gust
Current: 0.0 mph
Today: 0.0 mph 10:42 AM
Month: 17.4 mph 11-Aug
Year: 22.6 mph 3-Jul
Record Gust: 22.6 mph
Jul-3-2026
Sunlight:
13 h 59 m 3 s
of Sunlight Yesterday
13 h 56 m 38 s
of Sunlight Today Which is
2 min 25 sec shorter than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Crescent
Waxing Crescent, 0 days, 16 hours, 11 minutes in cycle
1%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 97%
Last Hour: Increased 1% since last hour. 1%
High 4:24 AM: 97%
Low 12:00 AM: 92%
Record High: 97%
May-24-2026
Record Low: 21%
Jun-2-2026
Current: Rising 0.005 inHg/hr 29.316 inHg
Last Hour: Steady
High 3:56 AM: 29.319
Low 12:56 AM: 29.301
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: 1.1
Aug: 127.8
2026 to Date: 681.8
Heating Degree Days
2026 to Date: 161.4
Current: 61.8°F
High 12:00am: 73.0°F
Yesterday: 92.2°F
Record: 120.0°F
Jun-30-2026
Quality
Index6:
46

Good
Density:
1.17 kg/m3
UV Summary/Forecast Solar Summary
Aug-13

8.5 		Aug-14

8.4 		Aug-15

8.9
Sunrise is at: 5:58 am
Solar Noon: 12:56
Sunset is at: 7:56 pm
Almanac   Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 70.6°F
Sunrise: 5:58 am
Sunset: 7:56 pm
Moonrise: 6:55 am
Moonset: 7:58 pm
Full Moon: Aug-28-2026
New Moon: 03:28 UTC
Sep-11-2026
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: 13-Aug-2026 @ 4:45am  
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 13 of just the month of August for this station since 2012.   11 Historical average rain this season to day 13 of August for this station since 2012.
  Weather Forecast   -   Outlook Overnight & Thursday
Overnight

Overnight: Areas Of Fog
Areas Of Fog

Lo 67 °F 		NWS forecast: Areas of fog. Partly cloudy, with a low around 67. East wind around 0 mph.
Local station forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy. 		Thursday

Thursday: Widespread Fog then Chance Showers And Thunderstorms
Widespread Fog then Chance Showers And T-Storms

Hi 80 °F 		NWS forecast: Widespread fog before 10am, then a chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms likely between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 76 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  Short Term Weather Forecast
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday

Sunday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Lo 67 °F Hi 80 °F Lo 69 °F Hi 85 °F Lo 72 °F Hi 84 °F Lo 66 °F



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