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 Details for Will County Freeze Warning
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Freeze Warning FREEZE WARNING - DuPage County  - Will County

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METRIC | IMPERIAL
Updated: 20-Apr-2026 @ 4:45am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.8°F than last hour.

29.1°F

Wind Chill:  29.1°F
---
High Today
36.7°F
12:00 AM 		Low Today
28.5°F
4:19 AM
Yest High
52.4°F
1:18 PM 		Yest Low
29.5°F
5:49 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:  ENE
0.0
Gusting to:
 0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.4 of 100
Overnight

Overnight: Widespread Frost
Widespread Frost
Monday

Monday: Widespread Frost then Sunny
Widespread Frost then Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Lo 30 °F Hi 55 °F Lo 44 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.6°F since last hour. 27.3°F
Last Hour: Decreased 0.6°F since last hour. 0.6°F
High 12:28 AM: 32.2°F
Low 4:19 AM: 26.5°F
Record High: 70.7°F on
Apr-14-2026
Record Low: -22.2°F on
Jan-23-2026
Wetbulb: 28.5°F
Rain Today
rain graph
Melt Today: 0.00 in
Yesterday: 0.01 in
Last 7 Days: 1.82 in
Apr Rain: 4.42 in
Apr to Date
  Avg:10 		0.00 in
Apr to Date
  Diff from Avg:10 		Over 4.42 in for the month 4.42 in
Apr Avg: 0.00 in
Diff from Avg: Over 4.42 in for the month 4.42 in
Season:1 10.91 in
YTD
  Avg:11 		6.43 in
YTD
  Diff from Avg:11 		Over 4.48 in for the year 4.48 in
Last Rain
Time/Date: 		Apr-19-2026
at 1:42 PM
35 rain days in 2026
15 days in April
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 1:33 PM
Month: 24.0 mph 18-Apr
Year: 32.2 mph 13-Mar
Record Gust: 32.2 mph
Mar-13-2026
Sunlight:
13 h 32 m 19 s
of Sunlight Yesterday
13 h 34 m 56 s
of Sunlight Today Which is
2 min 37 sec longer than
yesterday
0 h 0 m 0 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Crescent
Waxing Crescent, 2 days, 21 hours, 53 minutes in cycle
12%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 93%
Last Hour: Increased 1% since last hour. 1%
High 4:22 AM: 93%
Low 12:00 AM: 80%
Record High: 97%
Mar-5-2026
Record Low: 19%
Feb-18-2026
Current: Rising 0.009 inHg/hr 30.289 inHg
Last Hour: Steady
High 4:37 AM: 30.289
Low 12:00 AM: 30.243
Record High: 30.829 inHg
Jan-24-2026
Record Low: 29.214 inHg
Mar-16-2026
Heating Degree Days Coming Soon Wind Chill Air
Today: 5.7
Apr: 235.0
2026 to Date: 2677.4
Cooling Degree Days
2026 to Date: 23.7
Current: 29.1°F
Low 4:19 AM: 28.5°F
Yesterday: 29.5°F
Record: -27.0°F
Jan-23-2026
Quality
Index6:
45

Good
Density:
1.31 kg/m3
UV Summary/Forecast Solar Summary
Apr-20

5.9 		Apr-21

6.1 		Apr-22

6.3
Sunrise is at: 6:03 am
Solar Noon: 12:50
Sunset is at: 7:37 pm
Almanac   Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 37.1°F
Sunrise: 6:03 am
Sunset: 7:37 pm
Moonrise: 7:49 am
Moonset: 10:56 pm
Full Moon: May-01-2026
New Moon: 20:02 UTC
May-16-2026
HIGHS: LOWS:
84.4°F
Apr-14-2026 		-9.8°F
Jan-23-2026
Daytime Records
  82.0°F
Mar-30-2026 		  -6.3°F
Jan-23-2026
Nitetime Records
  71.3°F
Apr-15-2026 		  -8.1°F
Jan-24-2026
ICN:1 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.5 | RCP:100%
METRIC | IMPERIAL
Updated: 20-Apr-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 20 of just the month of April for this station since 2013.   11 Historical average rain this season to day 20 of April for this station since 2013.
 NWS Weather Forecast   -   Outlook Overnight & Monday
Overnight

Overnight: Widespread Frost
Widespread Frost

Lo 30 °F 		NWS forecast: Widespread frost. Mostly clear, with a low around 30. North wind around 0 mph.
Local station forecast: Partly cloudy with little temp change. 		Monday

Monday: Widespread Frost then Sunny
Widespread Frost then Sunny

Hi 55 °F 		NWS forecast: Widespread frost before 9am. Sunny, with a high near 55. East wind 0 to 5 mph, with gusts as high as 15 mph.
 NWS Short Term Weather Forecast
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Lo 44 °F Hi 75 °F Lo 53 °F Hi 74 °F Lo 56 °F Hi 80 °F Lo 61 °F



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US Fronts from NWS
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Today's Sky Cover
Current Sat/Rad/Fronts from SSEC.edu
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Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
Current US Satellite Provided courtesy of UW-Madison SSEC"
Current US Satellite Animation Provided courtesy of NOAA"
Jetstream from WeatherUnderground.com
Tropical Update
Sea Surface Tempeatures from SSEC.wisc.edu
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