River Flood Warning RIVER FLOOD WARNING - Cook County
River Flood Advisory RIVER FLOOD ADVISORY - Cook County

Regional Radar
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 22-May-2018 @ 10:35pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 3.3°F than last hour.

54.6°F

---
High Today
75.1°F
4:04 PM
Low Today
54.6°F
10:32 PM
Yest High
75.7°F
3:23 PM
Yest Low
49.5°F
12:01 AM
Sta* High
81.0°F
2016
Sta* Low
44.9°F
2012
* This Station's Records Since 2011
Night time, Dry, Clear skies Night time, Dry, Clear skies

Calm Wind:  ENE
0.0

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.6 of 100
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog
Wednesday

Wednesday: Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Lo 53 °F Hi 79 °F ↓ Lo 56 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 2.1°F since last hour. 52.6°F
Last Hour: Decreased 2.1°F since last hour. 2.1°F
High 11:21 AM: 65.5°F
Low 10:21 PM: 52.4°F
Record High: 83.7°F on
21-Jul-2016
Record Low: -26.0°F on
11-Feb-2014
Wetbulb: 53.5°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.17 in
Last 7 Days: 0.40 in
May Rain: 1.48 in
May to Date
  Avg:10
2.04 in
May to Date
  Diff from Avg:10
Under 0.56 in for the month 0.56 in
May Avg: 2.75 in
Diff from Avg: Under 1.27 in for the month 1.27 in
Season:1 8.92 in
YTD
  Avg:11
10.79 in
YTD
  Diff from Avg:11
Under 1.87 in for the year 1.87 in
Last Rain
Time/Date:
21-May-2018
at 4:47 PM
54 rain days in 2018
9 days in May
0 days since last rain
Current: ENE  0.0 mph
1Hr Average: Calm
Wind Run: 33.45 miles
Wind Gust
Current: 0.0 mph mph
Today: 16.1 mph 2:00 PM
Month: 33.4 mph 9-May
Year: 42.6 mph 25-Feb
Record Gust: 58.0 mph
25-Feb-2013
Sunlight:
14 hrs 42 min
of Sunlight Today
graph 61.3% 38.7%
Which is
1 min 42 sec Longer
Than Yesterday
 
Waxing Gibbous, 7 days, 15 hours, 49 minutes in cycle
60%
Illuminated
Humidity Barometer
Current: Increased 4% since last hour. 93%
Last Hour: Increased 4% since last hour. 4%
High 1:00 AM: 96%
Low 4:05 PM: 65%
Record High: 99%
30-Jul-2011
Record Low: 0%
9-Dec-2015
Current: Rising 0.02  inHg/hr 30.075 inHg
Last Hour: Rising slowly
High 10:34 PM: 30.075 in.
Low 2:46 AM: 29.937 in.
Record High: 30.880 inHg
7-Jan-2015
Record Low: 24.229 inHg
9-Jul-2011
Heating Degree Days Snow3 Wind Chill Air
Today: 1.5
May: 48.4
2018 to Date: 3835.7
Cooling Degree Days
2018 to Date: 43.0
Today: 0.00 in
Yesterday: 0.00 in
May Snow: No Change 0.00 in
May Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 39.05 in
Snow Depth: 0.00 in
0 snow days in May
17 snow days this season.2
First Snow of Season:
9-Dec-2017
Average 1st Snow:
05 of Dec
Current: 54.6°F
Low 10:32 PM: 54.6°F
Yesterday: 47.3°F
Record: -41.1°F
6-Jan-2014
Quality
Index6:

45


Good
Density:
1.24 kg/m3
UV Summary/Forecast Solar Summary
High Today:   7.8 @ 12:53 PM
May-23

8.7
May-24

8.8
May-25

8.5
High Today:  
1165 W/m2 @ 1:35 PM
Sun Hours Today:
04:18
   This Month: 67:31 Hrs
Rise: 5:26 am  Set: 8:08 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Current: Evening
YTD Avg Temp: 36.7°F
Sunrise: 5:26 am
Sunset: 8:08 pm
Moonrise: 1:02 pm
Moonset: 1:55 am
Full Moon: 29-May-2018
New Moon: 19:44 UTC
13-Jun-2018
Updated at Midnight
Current ET: 0.11 in
7-Days Rain: 0.40 in
7-Days ET: 0.93 in
7-Day:  0.535 in water in deficit of what evaporated in last 7 days. 0.535 in
May:  1.68 in water in deficit of what evaporated this month. 1.68 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
  -10.3°F
02-Jan-2018
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 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 22 of just the month of May for this station since 2011.   11 Historical average rain this season to day 22 of May for this station since 2011.
  Weather Forecast  -   Outlook Tonight & Wednesday
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog

Lo 53 °F
NWS forecast: Patchy fog after 1am. Mostly clear, with a low around 53. East northeast wind 0 to 5 mph.
Local station forecast: Mostly clear with little temp change.
Wednesday

Wednesday: Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny

Hi 79 °F ↓
NWS forecast: Patchy fog before 8am. Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. Northeast wind 0 to 5 mph.
  Short Term Weather Forecast
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Partly Cloudy then Slight Chance Showers And Thunderstorms
Partly Cloudy then Slight Chance Showers And T-Storms
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Lo 56 °F Hi 84 °F Lo 59 °F Hi 88 °F Lo 64 °F Hi 87 °F Lo 65 °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