DUPAGE COUNTY  -  Frost Advisory Frost Advisory  
 GRUNDY COUNTY  -  Frost Advisory Frost Advisory  
 KANKAKEE COUNTY  -  Frost Advisory Frost Advisory  
 WILL COUNTY  -  Frost Advisory Frost Advisory  

Regional Radar
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 23-Apr-2014 @ 1:55am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.3°F than last hour.

33.4°F

Wind Chill:  32.5°F
---
High Today
35.8°F
12:22 AM
Low Today
33.4°F
1:54 AM
Yest High
59.0°F
12:00 AM
Yest Low
35.2°F
11:56 PM
Rec* High
89.0°F
1980
Rec* Low
25.0°F
1986
* Records from Weather Underground
Night time, Dry, Clear skies Night time, Dry, Clear skies

Wind from N Wind:  N
2.0

Gusting to:
2.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.4 of 100
Overnight

Areas Frost
Areas
Frost
Lo 32 °F
Wednesday

Morning Frost
Morning
Frost
Hi 56 °F
Wednesday
Night

Chance Showers. Chance for Measurable Precipitation 40%
Chance
Showers
Lo 42 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.8°F since last hour. 29.1°F
Last Hour: Decreased 0.8°F since last hour. 0.8°F
High 12:11 AM: 30.8°F
Low 1:54 AM: 28.8°F
Record High: 82.2°F on
19-Jul-2011
Record Low: -26.0°F on
11-Feb-2014
Wetbulb: 31.8°F
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.41 in
Apr Rain: 2.28 in
Apr to Date
  Avg:10
0.00 in
Apr to Date
  Diff from Avg:10
Over 2.28 in for the month 2.28 in
Apr Avg: 3.47 in
Diff from Avg: Under 1.19 in for the month 1.19 in
Season:1 8.95 in
YTD
  Avg:11
5.27 in
YTD
  Diff from Avg:11
Over 3.68 in for the year 3.68 in
Last Rain
Time/Date:
21-Apr-2014
at 10:59 PM
37 rain days in 2014
8 days in April
1 day since last rain
Current: N  2.0 mph
1Hr Average: 2.3 mph
Wind Run: 2.71 miles
Wind Gust
Current: 2.0 mph mph
Today: 4.0 mph 1:18 AM
Month: 40.3 mph 4-Apr
Year: 53.0 mph 19-Feb
Record Gust: 58.0 mph
19-Feb-2013
Sunlight:
13 hrs 39 min
of Sunlight Today
graph 56.9% 43.1%
Which is
2 min 30 sec Longer
Than Yesterday
 
Morning Crescent, 23 days, 12 hours, 12 minutes in cycle
39%
Illuminated
Humidity Barometer
Current: Increased 2% since last hour. 84%
Last Hour: Increased 2% since last hour. 2%
High 1:53 AM: 84%
Low 12:27 AM: 80%
Record High: 99%
30-Jul-2011
Record Low: 8%
9-Jul-2011
Current: Rising 0.003  inHg/hr 30.096 inHg
Last Hour: Steady
High 1:21 AM: 30.098 in.
Low 12:00 AM: 30.079 in.
Record High: 30.782 inHg
24-Nov-2013
Record Low: 24.229 inHg
9-Jul-2011
Heating Degree Days Snow3 Wind Chill Air
Today: 2.1
Apr: 336.5
2014 to Date: 4146.5
Cooling Degree Days
2014 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Apr Snow: Over 0.111 in for the month 0.15 in
Apr Avg: 0.04 in
Diff from Avg: 0.11 in
Season Total:2 67.85 in
Snow Depth: 5.90 in
1 snow day in April
28 snow days this season.2
First Snow of Season:
11-Nov-2013
Average 1st Snow:
10 of December
Current: 32.5°F
Low 1:33 AM: 31.1°F
Yesterday: 33.5°F
Record: -41.1°F
6-Jan-2014
Quality
Index6:

31


Good
Density:
1.294 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   6.3 @ 12:34 PM
Apr-23

6.8
Apr-24

6.8
Apr-25

6.1
High Yest:   905.0 @ 12:46 PM
Sun Hours Today:
00:00
   This Month: 64:47 Hrs
Rise: 5:59 AM  Set: 7:38 PM
Almanac Irrigation Index5 Station All Time Records Cloud Level
Current: Night
YTD Avg Temp: 27.0°F
Sunrise: 5:59 AM
Sunset: 7:38 PM
Moonrise: 2:36 AM
Moonset: 1:40 PM
Full Moon: 15-Apr-2014
New Moon: 06:15 UTC
29-Apr-2014
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.41 in
7-Days ET: 1.18 in
7-Day:  0.771 in water in deficit of what evaporated in last 7 days. 0.771 in
April:  0.49 in water in deficit of what evaporated this month. 0.49 in
HIGHS: LOWS:
104.0°F
19-Jul-2011
-21.1°F
11-Feb-2014
Daytime Records
  96.6°F
21-Jul-2011
  -12.6°F
06-Jan-2014
Nitetime Records
  87.4°F
22-Jul-2011
  -9.8°F
07-Jan-2014
ICN:1 | S3C2:6 | Ajax 3.xx
ISS:Ok | CON:3.5 | RCP:98%
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.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   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 23 of just the month of April for this station since 2012.   11 Historical average rain this season to day 23 of April for this station since 2012.
 NWS Weather Forecast  -   Outlook Overnight & Wednesday
Overnight

Areas Frost
Areas
Frost
Lo 32 °F
NWS forecast: Areas of frost after 4am. Otherwise, mostly clear, with a low around 32. Calm wind.
Local station forecast: Increasing clouds with little temp. change. precipitation possible within 24 to 48 hrs.
Wednesday

Morning Frost
Morning
Frost
Hi 56 °F
NWS forecast: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 56. Calm wind becoming east northeast around 5 mph in the morning.
 NWS Short Term Weather Forecast
Wednesday
Night

Chance Showers. Chance for Measurable Precipitation 40%
Chance
Showers
Lo 42 °F
Thursday

Showers Likely. Chance for Measurable Precipitation 70%
Showers
Likely
Hi 68 °F
Thursday
Night

Showers. Chance for Measurable Precipitation 80%
Showers

Lo 45 °F
Friday

Mostly Sunny
Mostly
Sunny
Hi 69 °F
Friday
Night

Chance Showers. Chance for Measurable Precipitation 40%
Chance
Showers
Lo 41 °F
Saturday

Mostly Sunny
Mostly
Sunny
Hi 55 °F
Saturday
Night

Chance Showers
Chance
Showers
Lo 37 °F
Animated icons courtesy of www.meteotreviglio.com
Precipitation average-to-date script courtesy of Murry Conarroe
Version 6.91 - 03-Nov-2013 - Script Mods by: BurnsvilleWeatherLIVE.com