Thunderstorm Cell with Cloud-Ground Lightning Passing through Northern Cook County and Southern Lake County

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TODAY SUNRISE: 6:34 AM SUNSET: 6:56 PM

Chicagoland weather radar shows a storm crossing northern Cook County and southern Lake County.

Cloud-to-Ground lightning with heavy downpour is expected.

No Severe Thunderstorm Warning has been issued by the National Weather Service as of 9:20 p.m.

 NWS POINT FORECAST … 

Detailed Forecast


Tonight
Showers likely and possibly a thunderstorm. Areas of fog after 1am. Otherwise, cloudy, with a low around 70. South southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.


Friday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph becoming northeast in the afternoon.


Friday Night
Showers and thunderstorms, mainly between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 60. East northeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.


Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.


Saturday Night
Mostly clear, with a low around 51. Northeast wind 5 to 10 mph becoming light north northeast in the evening.


Sunday
Sunny, with a high near 70.


Sunday Night
Mostly clear, with a low around 50.


Monday
Sunny, with a high near 71.


Monday Night
Mostly clear, with a low around 51.

 AIRPORT WEATHER OBSERVATIONS … 

Location Time
(cdt)
Sky/Weather Temp.
(ºF)
Dewpt.
(ºF)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Chicago/O’Hare 20:51 Overcast 75 65 71 S 12 29.85
Chicago Midway Airport 20:53 Mostly Cloudy 80 63 56 S 15 29.87
Chicago Executive Airport 20:52 Light Rain 71 68 90 Calm 29.88
Chicago / West Chicago, Dupage Airport 20:52 Overcast 76 64 67 S 13 29.85
Aurora Municipal Airport 20:52 Mostly Cloudy 78 65 64 S 14 G 23 29.86
Gary Chicago International 20:45 Mostly Cloudy 79 59 51 S 7 29.90
Kenosha Regional Airport 20:53 Light Rain 70 66 87 W 7 29.87
Chicago / Waukegan, Waukegan Regional Airport 20:55 Light Rain 70 67 90 S 13 29.86
Lansing Municipal Airport 20:35 Fair 76 63 62 S 12 29.91
Click on location name for the weather during the past two days at that site.

 CHICAGO EXECUTIVE AIRPORT … 

D
a
t
e
Time
(cdt)
Wind
(mph)
Vis.
(mi.)
Weather Sky Cond. Temperature (ºF) Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
Pressure Precipitation (in.)
Air Dwpt 6 hour altimeter
(in)
sea level
(mb)
1 hr 3 hr 6 hr
Max. Min.
17 20:52 Calm 10.00 Light Rain FEW100 SCT120 71 68 90% NA NA 29.88 1011.4 0.05
17 19:52 NE 3 10.00 Mostly Cloudy FEW048 SCT070 BKN120 70 68 93% NA NA 29.91 1012.4
17 18:52 S 9 10.00 Mostly Cloudy BKN110 71 67 86 68 87% NA NA 29.89 1011.8 0.01 0.12
17 17:52 S 6 10.00 Light Rain FEW120 69 66 90% NA NA 29.90 1012.2 0.05
17 16:52 W 12 G 23 4.00 Thunderstorm Rain FEW047 SCT070 BKN090 71 64 79% NA NA 29.94 1013.6 0.06
17 15:52 S 17 G 22 10.00 Mostly Cloudy FEW049 SCT060 BKN100 84 64 51% NA 85 29.92 1012.8
17 14:52 SW 17 10.00 Partly Cloudy SCT048 86 64 48% NA 87 29.94 1013.3
17 13:52 S 17 10.00 Partly Cloudy FEW045 FEW060 SCT080 84 64 51% NA 85 29.97 1014.4
17 12:52 SW 15 10.00 Fair CLR 83 64 83 65 53% NA 84 29.99 1015.0
17 11:52 S 15 G 25 10.00 Fair CLR 81 63 54% NA 82 30.00 1015.4
17 10:52 S 17 10.00 Fair CLR 78 61 56% NA 80 30.02 1016.0
17 09:52 S 12 10.00 Partly Cloudy SCT033 74 60 62% NA NA 30.03 1016.6
17 08:52 S 10 10.00 Overcast OVC036 70 59 68% NA NA 30.05 1017.4
17 07:52 S 10 10.00 Partly Cloudy SCT033 67 58 73% NA NA 30.05 1017.4
17 06:52 S 8 10.00 A Few Clouds FEW060 65 57 67 61 76% NA NA 30.07 1017.8
17 05:52 S 9 10.00 Fair CLR 64 57 78% NA NA 30.07 1017.9
17 04:52 S 8 10.00 Fair CLR 64 57 78% NA NA 30.08 1018.2
17 03:52 S 7 10.00 Fair CLR 61 56 84% NA NA 30.09 1018.5
17 02:52 S 7 10.00 Fair CLR 62 56 80% NA NA 30.09 1018.6
17 01:52 S 7 10.00 Fair CLR 64 56 75% NA NA 30.10 1018.7
17 00:52 S 7 10.00 Fair CLR 67 55 78 67 66% NA NA 30.10 1018.9
16 23:52 S 9 10.00 Fair CLR 69 55 61% NA NA 30.10 1019.0
16 22:52 S 9 10.00 Fair CLR 71 54 55% NA NA 30.11 1019.1
16 21:52 S 10 10.00 Fair CLR 72 54 53% NA NA 30.11 1019.1
16 20:52 S 10 10.00 Fair CLR 74 54 50% NA NA 30.11 1019.1
16 19:52 S 8 10.00 Fair CLR 75 54 48% NA NA 30.10 1018.9
16 18:52 S 9 10.00 Fair CLR 78 54 83 78 43% NA 79 30.09 1018.8
16 17:52 S 15 10.00 Fair CLR 81 54 39% NA 81 30.10 1018.9
16 16:52 S 16 10.00 Fair CLR 82 55 40% NA 81 30.11 1019.1
16 15:52 S 15 G 23 10.00 Fair CLR 83 56 40% NA 82 30.12 1019.4
16 14:52 S 17 G 28 10.00 Fair CLR 83 55 38% NA 82 30.14 1020.2
16 13:52 S 18 G 24 10.00 Fair CLR 82 57 43% NA 82 30.17 1021.2
16 12:52 S 18 G 23 10.00 Fair CLR 81 57 81 57 44% NA 81 30.19 1021.9
16 11:52 S 14 10.00 Fair CLR 79 55 44% NA 80 30.22 1022.9
16 10:52 S 12 10.00 Fair CLR 77 55 47% NA 79 30.23 1023.2
16 09:52 S 14 10.00 Fair CLR 73 54 51% NA NA 30.24 1023.6
16 08:52 S 9 10.00 Fair CLR 69 54 59% NA NA 30.23 1023.5
16 07:52 S 7 10.00 Fair CLR 64 54 70% NA NA 30.24 1023.8
16 06:52 SE 6 10.00 Fair CLR 57 51 66 56 81% NA NA 30.23 1023.4
16 05:52 Calm 10.00 Fair CLR 58 51 78% NA NA 30.23 1023.4
16 04:52 Calm 10.00 Fair CLR 58 50 75% NA NA 30.22 1023.1
16 03:52 S 6 10.00 Fair CLR 64 51 63% NA NA 30.20 1022.2
16 02:52 S 9 10.00 Fair CLR 64 51 63% NA NA 30.19 1021.9
16 01:52 S 8 10.00 Fair CLR 65 50 59% NA NA 30.21 1022.7
16 00:52 S 8 10.00 Fair CLR 65 51 76 65 61% NA NA 30.22 1023.0
15 23:52 S 8 10.00 Fair CLR 67 51 57% NA NA 30.22 1023.0
15 22:52 S 9 10.00 Fair CLR 68 51 55% NA NA 30.22 1023.0
15 21:52 S 8 10.00 Fair CLR 69 50 51% NA NA 30.21 1022.7
15 20:52 S 10 10.00 Fair CLR 71 51 49% NA NA 30.19 1022.0
15 19:52 S 10 10.00 Fair CLR 71 51 49% NA NA 30.17 1021.4
15 18:52 S 10 10.00 Fair CLR 76 49 83 76 39% NA 78 30.17 1021.3
15 17:52 S 16 10.00 Fair CLR 79 50 36% NA 79 30.17 1021.2
15 16:52 S 14 10.00 Fair CLR 81 49 33% NA 80 30.17 1021.1
15 15:52 S 14 G 23 10.00 Fair CLR 82 51 34% NA 81 30.18 1021.4
15 14:52 S 15 10.00 Fair CLR 82 53 37% NA 81 30.18 1021.5
15 13:52 S 14 10.00 Fair CLR 81 55 41% NA 81 30.19 1022.0
15 12:52 S 12 10.00 Fair CLR 80 55 80 65 42% NA 80 30.21 1022.6
15 11:52 S 14 10.00 Fair CLR 77 55 47% NA 79 30.22 1023.0
15 10:52 S 12 10.00 Fair CLR 75 56 52% NA NA 30.23 1023.3
15 09:52 S 12 10.00 Fair CLR 72 55 55% NA NA 30.23 1023.3
15 08:52 S 7 10.00 Fair CLR 69 55 61% NA NA 30.23 1023.2
15 07:52 S 9 10.00 Fair CLR 67 55 66% NA NA 30.22 1022.9
15 06:52 S 6 10.00 Fair CLR 66 54 70 66 65% NA NA 30.20 1022.2
15 05:52 S 8 10.00 Fair CLR 67 55 66% NA NA 30.19 1021.8
15 04:52 SW 10 10.00 Fair CLR 67 55 66% NA NA 30.17 1021.1
15 03:52 SW 12 10.00 Partly Cloudy SCT100 68 55 63% NA NA 30.16 1020.8
15 02:52 S 12 10.00 Mostly Cloudy BKN100 68 55 63% NA NA 30.14 1020.3
15 01:52 SW 12 10.00 Fair CLR 69 55 61% NA NA 30.13 1019.9
15 00:52 SW 10 10.00 Fair CLR 70 55 79 70 59% NA NA 30.12 1019.6
14 23:52 S 13 G 22 10.00 Fair CLR 71 54 55% NA NA 30.11 1019.1
14 22:52 S 16 G 24 10.00 Fair CLR 72 54 53% NA NA 30.10 1019.0
14 21:52 S 14 G 23 10.00 Fair CLR 73 54 51% NA NA 30.08 1018.1
D
a
t
e
Time
(cdt)
Wind
(mph)
Vis.
(mi.)
Weather Sky Cond. Air Dwpt Max. Min. Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
altimeter
(in.)
sea level
(mb)
1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in.)

 MORE HELPFUL LINKS …  

LIVE RADAR | STORM TRACKS | UNISYS US IR SAT | UNISYS Midwest IR SAT | UNISYS More IR SAT

WunderMap® with Temperature/Wind Data || Google: Arlington Heights Temps | NE Illinois Temps

Full Screen Motion Weather Radar (Wunderground.com)

Midwest Cloud Cover with Arlington Heights Weather Forecast | SWPC Aurora Forecast

ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …



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