Dense Fog Advisory DENSE FOG ADVISORY - Cook County

Regional Radar
Radar/Satellite images courtesy of Weather Underground.
spacer
METRIC | IMPERIAL
Updated: 21-Oct-2019 @ 2:25am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1.4°F than last hour.

52.2°F

---
High Today
52.2°F
2:24 AM
Low Today
49.2°F
12:00 AM
Yest High
60.7°F
4:38 PM
Yest Low
47.5°F
9:54 PM
Sta* High
80.4°F
2015
Sta* Low
24.6°F
2018
* This Station's Records Since 4/2012
Night time, Dry, Overcast Night time, Dry, Overcast

Calm Wind:  E
0.0

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
0.9 of 232
Overnight

Overnight: Patchy Fog
Patchy Fog
Monday

Monday: Showers And Thunderstorms
Showers And T-Storms
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Lo 50 °F ↑ Hi 66 °F ↓ Lo 45 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 1.4°F since last hour. 51.1°F
Last Hour: Increased 1.4°F since last hour. 1.4°F
High 2:24 AM: 51.1°F
Low 12:00 AM: 48.1°F
Record High: 83.7°F on
21-Jul-2016
Record Low: -28.5°F on
30-Jan-2019
Wetbulb: 51.6°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.01 in
Last 7 Days: 0.04 in
Oct Rain: 0.92 in
Oct to Date
  Avg:10
2.05 in
Oct to Date
  Diff from Avg:10
Under 1.13 in for the month 1.13 in
Oct Avg: 3.62 in
Diff from Avg: Under 2.7 in for the month 2.70 in
Season:1 33.18 in
YTD
  Avg:11
27.47 in
YTD
  Diff from Avg:11
Over 5.71 in for the year 5.71 in
Last Rain
Time/Date:
20-Oct-2019
at 9:56 AM
123 rain days in 2019
8 days in October
1 day since last rain
Current: E  0.0 mph
1Hr Average: Calm
Wind Run: 1.82 miles
Wind Gust
Current: 0.0 mph mph
Today: 8.1 mph 12:32 AM
Month: 27.0 mph 13-Oct
Year: 43.0 mph 30-Jun
Record Gust: 58.0 mph
12-Jun-2013
Sunlight:
11 hrs 1 min
56 sec
of Sunlight Today
Which is
2 min 15 sec shorter than
yesterday
(Noon) graph (Midnight)
Legend

Last Quarter
Last Quarter, 22 days, 12 hours, 59 minutes in cycle
52%
Illuminated
Humidity Barometer
Current: No Change 96%
Last Hour: No Change 0%
High 12:00 AM: 96%
Low 12:00 AM: 96%
Record High: 99%
30-Jul-2011
Record Low: 0%
9-Dec-2015
Current: Falling 0.011  inHg/hr 29.795 inHg
Last Hour: Steady
High 12:00 AM: 29.852 in.
Low 2:06 AM: 29.792 in.
Record High: 30.971 inHg
9-Feb-2019
Record Low: 24.229 inHg
9-Jul-2011
Heating Degree Days Snow3 Wind Chill Air
Today: 1.2
Oct: 232.4
2019 to Date: 4097.5
Cooling Degree Days
2019 to Date: 899.8
Today: 0.00 in
Yesterday: 0.00 in
Oct Snow: No Change 0.00 in
Oct Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 3.40 in
0 snow days in October
0 snow days this season.2
First Snow of Season:
12-Jan-2019
Average 1st Snow:
01 of Dec
Current: 52.2°F
Low 12:29 AM: 48.0°F
Yesterday: 47.2°F
Record: -41.1°F
6-Jan-2014
Data Not
Available


Data Not Available
Density:
1.23 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   1.7 @ 1:33 PM
Oct-21

4.6
Oct-22

4.4
Oct-23

4.4
High Yest:   378.0 @ 1:35 PM
Sun Hours Today:
00:00
   This Month: 87:12 Hrs
Rise: 7:09 am  Set: 6:01 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 54.0°F
Sunrise: 7:09 am
Sunset: 6:01 pm
Moonrise: 11:13 pm
Moonset: 2:22 pm
Full Moon: October--2019
New Moon: 03:39 UTC
October--2019
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.04 in
7-Days ET: 0.42 in
7-Day:  0.381 in water in deficit of what evaporated in last 7 days. 0.381 in
October:  0.65 in water in deficit of what evaporated this month. 0.65 in
HIGHS: LOWS:
104.0°F
19-Jul-2011
-21.5°F
30-Jan-2019
Daytime Records
  96.6°F
21-Jul-2011
  -15.3°F
30-Jan-2019
Nitetime Records
  87.4°F
22-Jul-2011
  -13.7°F
31-Jan-2019
ICN:13 | S3C2:6 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:97%
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.   4 Updated at Noon Central Time.   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 21 of just the month of October for this station since 2013.   11 Historical average rain this season to day 21 of October for this station since 2013.
 NWS Weather Forecast  -   Outlook Overnight & Monday
Overnight

Overnight: Patchy Fog
Patchy Fog

Lo 50 °F ↑
NWS forecast: Patchy fog before 4am. Cloudy. Low around 50, with temperatures rising to around 54 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph.
Local station forecast: Increasing clouds and cooler, precipitation possible and windy within 6 hrs.
Monday

Monday: Showers And Thunderstorms
Showers And T-Storms

Hi 66 °F ↓
NWS forecast: A slight chance of rain showers before 7am, then showers and thunderstorms between 7am and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. South southeast wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
 NWS Short Term Weather Forecast
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Tuesday

Tuesday: Mostly Cloudy
Mostly Cloudy
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly Cloudy then Slight Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Thursday

Thursday: Chance Rain Showers
Chance Rain Showers
Thursday
Night
Thursday Night: Chance Rain Showers
Chance Rain Showers
Lo 45 °F Hi 51 °F Lo 37 °F Hi 61 °F Lo 44 °F Hi 55 °F Lo 34 °F
Version 6.95b - 03-Apr-2019 - Script by: Scott of BurnsvilleWeatherLIVE.com
Now supported by Saratoga-weather.org Download