Excessive Heat Warning Excessive Heat Warning - DuPage (Illinois)
Click on link above to see details on the 1 NOAA advisory for zone ILZ013.

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
METRIC | IMPERIAL
Updated: @ 12:40am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1°F than last hour.

75.3°F

---
Currently 75.3, Max: 75.9, Min: 75.3 Heat Index:
75°F

24-hr
difference
1°FWarmer 1°F than yesterday at this time.
High Today
75.9°F
00:00
Low Today
75.3°F
00:33
Yest High
89.5°F
15:35
Yest Low
72.6°F
05:53
Sta* High
92.2°F
2017
Sta* Low
57.4°F
2017
* This Station's Records Since 1/2015
Overcast Overcast

Calm Wind:  ENE
0.0

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.5 of 100
Overnight

Overnight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Thursday

Thursday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Lo 76 °F Hi 94 °F Lo 80 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.7°F since last hour. 71.8°F
Last Hour: Decreased 0.7°F since last hour. 0.7°F
High 00:04: 72.4°F
Low 00:33: 71.8°F
Record High: 84.0°F on
Jul-24-2016
Record Low: -29.2°F on
Jan-30-2019
Wetbulb: 73.0°F
Today: 0.00 in
Yesterday: 0.01 in
Last 7 Days: 0.21 in
Jul Rain: 1.85 in
Jul to Date
  Avg:10
0.00 in
Jul to Date
  Diff from Avg:10
Over 1.85 in for the month 1.85 in
Jul Avg: 3.52 in
Diff from Avg: Under 1.67 in for the month 1.67 in
Season:1 25.47 in
YTD
  Avg:11
0.00 in
YTD
  Diff from Avg:11
Over 25.47 in for the year 25.47 in
Last Rain
Time/Date:
Jul-17-2019
at 04:56
97 rain days in 2019
8 days in July
1 day since last rain
Current: ENE  0.0 mph
1Hr Average: Calm
Wind Run: 0.00 miles
Wind Gust
Current: 0.0 mph
Today: 0.0 mph 09:11
Month: 18.2 mph Jul-15
Year: 41.4 mph Feb-24
Record Gust: 41.4 mph
Feb-24-2019
Sunlight (Daylight):
14 hrs 49 min 24 sec
of Daylight Today
Which is
1 min 34 sec Shorter
Than Yesterday
(Noon)
Piechart
(Midnight)
Piechart-Legend

Waning Gibbous
Waning Gibbous, 15 days, 10 hours, 32 minutes in cycle
98%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 89%
Last Hour: Increased 1% since last hour. 1%
High 00:03: 89%
Low 00:00: 88%
Record High: 98%
May-31-2015
Record Low: 38%
Jul-10-2019
Current: Rising 0.004  inHg/hr 29.792 inHg
Last Hour: Steady
High 00:15: 29.801
Low 00:39: 29.792
Record High: 30.909 inHg
Feb-9-2019
Record Low: 29.134 inHg
Nov-28-2016
Cooling Degree Days Snow3 Heat Index Air
Today: 0.3
Jul: 217.9
2019 to Date: 249.0
Heating Degree Days
2019 to Date: 2363.1
Today: 0.00 in
Yesterday: 0.00 in
Jul Snow: No Change 0.00 in
Jul Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in July
0 snow days this season.2
First Snow of Season:
--
Average 1st Snow:
Current: 74.8°F
High 12:00am: 75.9°F
Yesterday: 101.1°F
Record: 120.4°F
Jun-29-2018
Quality
Index6:

74


Moderate
Density:
1.17 kg/m3
UV Summary/Forecast Solar Summary
Jul-18

9.1
Jul-19

9.8
Jul-20

9.6
Sunrise is at: 05:31
Solar Noon: val_s
Sunset is at: 20:22
Almanac Support this Site! Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 46.7°F
Sunrise: 05:31
Sunset: 20:22
Moonrise: 21:10
Moonset: 06:59
Full Moon: Jul-17-2019
New Moon: 21:44 UTC
Jul-31-2019
HIGHS: LOWS:
100.0°F
May-27-2018
-21.8°F
Jan-31-2019
Daytime Records
  93.6°F
Jun-12-2017
  -15.9°F
Jan-30-2019
Nitetime Records
  82.9°F
Jun-30-2018
  -16.8°F
Jan-31-2019
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season November 1st to April 30th.   3 Snow manually measured usually around 7AM and 7PM.   6 Air Quality Index Data courtesy of: Illinois EPA..   10 Historical average only to day 18 of just the month of July for this station since 2015.   11 Historical average rain this season to day 18 of July for this station since 2015.
 NWS Weather Forecast  -   Outlook Overnight & Thursday
Overnight

Overnight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Lo 76 °F
NWS forecast: A slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 76. South wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday

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

Hi 94 °F
NWS forecast: Showers and thunderstorms likely before 4pm. Mostly sunny, with a high near 94. Heat index values as high as 106. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
 NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
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 80 °F Hi 98 °F Lo 80 °F Hi 96 °F Lo 76 °F Hi 91 °F Lo 69 °F
Illinois Weather Extremes for Tuesday, July 16, 2019
High Temperature
131°F at Belleville/Scott Afb, IL
Low Temperature
69°F at Chicago/Waukegan, IL
Max Rain
2.25in at Chicago, IL
USA Weather Extremes for Tuesday, July 16, 2019
High Temperature
131°F at Belleville/Scott Afb, IL
Low Temperature
32°F at Naples Municipal, FL
Max Rain
4.09in at Pine Bluff, AR
National and State Weather Extremes (Data courtsey of NWS-CPC)
Today in Weather History
July 18, 1942
A record deluge occurred at Smethport in northern Pennsylvania, with 30.7 inches in just six hours. The downpours and resultant flooding in Pennsylvania were devastating. (David Ludlum)

July 18, 1889
A cloudburst in West Virginia along the small creeks in Wirt County, Jackson County and Wood County claimed twenty lives. Rockport, WV, reported nineteen inches of rain in two hours and ten minutes that Thursday evening. Tygart Creek rose 22 feet in one hour, and villages were swept away on Tygart, Slate, Tucker, and Sandy Creeks. (The Weather Channel)

[ More Weather History ]
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