Chicago Weather O'Hare Data Tuesday, January 31 2017 -- Light Rain, Fog/Mist, Overcast, Mostly Cloudy, Temperatures Warmer than Normal

D a t e	Time (cst)	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.

31	23:51	W 14	10.00	Overcast	FEW030 OVC095	35	29	37	35	78%	26	NA	29.92	1013.7
31	22:51	W 13	10.00	Overcast	OVC100	35	29			78%	26	NA	29.89	1012.6
31	21:51	W 14	10.00	Overcast	FEW032 OVC130	35	29			78%	26	NA	29.87	1012.1
31	20:51	W 12	10.00	Overcast	FEW040 OVC150	35	29			78%	27	NA	29.87	1012.0
31	19:51	W 13	10.00	Overcast	BKN042 BKN140 OVC200	36	29			76%	27	NA	29.86	1011.7
31	18:51	W 14 G 20	10.00	Overcast	FEW046 OVC160	36	28			73%	27	NA	29.86	1011.5
31	17:51	W 14	10.00	Overcast	SCT046 BKN180 OVC250	37	28	39	37	70%	28	NA	29.84	1011.0
31	16:51	W 9	10.00	Mostly Cloudy	BKN048 BKN250	38	28			68%	32	NA	29.83	1010.6
31	15:51	W 16 G 26	10.00	Overcast	SCT030 OVC041	38	28			68%	29	NA	29.81	1010.0
31	14:51	NW 18	10.00	Mostly Cloudy	FEW036 BKN045	39	27			62%	30	NA	29.77	1008.7
31	13:51	NW 24 G 29	10.00	Mostly Cloudy and Breezy	BKN037 BKN250	39	28			65%	28	NA	29.75	1007.8
31	12:51	W 20 G 31	10.00	Overcast	FEW022 SCT027 OVC034	38	29			70%	28	NA	29.73	1007.4
31	11:51	NW 14 G 25	10.00	Overcast	OVC022	37	31	38	36	79%	28	NA	29.71	1006.6
31	10:51	W 17 G 28	10.00	Overcast	OVC023	38	31			76%	29	NA	29.70	1006.3
31	09:51	W 17 G 26	10.00	Light Rain	OVC023	37	31			79%	27	NA	29.68	1005.7
31	08:51	W 16 G 23	10.00	Overcast	BKN023 OVC033	37	32			82%	28	NA	29.65	1004.7
31	07:51	W 15 G 22	10.00	Overcast	OVC023	37	32			82%	28	NA	29.63	1004.0
31	06:51	W 17 G 24	10.00	Overcast	BKN021 BKN028 OVC035	37	32			82%	27	NA	29.61	1003.2
31	05:51	W 10	9.00	Light Rain	BKN014 BKN023 OVC043	36	33	38	36	89%	29	NA	29.58	1002.4			0.03
31	04:51	W 13	10.00	Light Rain	BKN018 OVC034	36	33			89%	27	NA	29.56	1001.4
31	03:51	W 17 G 25	10.00	Light Rain	BKN017 OVC023	36	33			89%	26	NA	29.53	1000.4	0.01
31	02:51	W 20 G 28	6.00	Light Rain Fog/Mist	OVC014	36	33			89%	25	NA	29.52	1000.0	0.02	0.02
31	01:51	W 20 G 28	7.00	Light Rain	OVC016	37	34			89%	27	NA	29.49	999.3
31	00:51	W 18	10.00	Light Rain	OVC020	38	33			83%	28	NA	29.47	998.6

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Monday, January 30 2017 -- Partly Cloudy, Overcast, Temperatures Near Normal

D a t e	Time (cst)	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.

30	23:51	W 12	10.00	Overcast	OVC024	37	31	37	30	79%	29.47	998.5
30	22:51	SW 8	10.00	Overcast	BKN033 OVC043	35	29			78%	29.48	999.0
30	21:51	S 13	10.00	Overcast	FEW026 OVC040	33	27			78%	29.51	1000.0
30	20:51	S 15	10.00	Overcast	BKN022 OVC046	32	25			75%	29.54	1001.2
30	19:51	S 17	10.00	Overcast	SCT026 BKN033 OVC055	32	24			73%	29.60	1003.3
30	18:51	S 15	10.00	Overcast	OVC022	31	21			67%	29.67	1005.5
30	17:51	S 15	10.00	Overcast	OVC026	30	19	30	26	64%	29.70	1006.7			0.01
30	16:51	S 14	10.00	Overcast	OVC031	30	17			58%	29.71	1006.8
30	15:51	S 17	10.00	Overcast	BKN047 BKN055 OVC140	29	16			58%	29.74	1007.9
30	14:51	S 13	9.00	Overcast	BKN044 OVC060	29	13			51%	29.82	1010.6	0.01	0.01
30	13:51	SW 9	10.00	Overcast	OVC065	27	12			53%	29.86	1012.2
30	12:51	SW 10	10.00	Overcast	FEW050 OVC080	26	9			48%	29.87	1012.4
30	11:51	SW 9 G 16	10.00	Mostly Cloudy	FEW100 BKN250	27	7	27	15	43%	29.93	1014.3
30	10:51	SW 6	10.00	Mostly Cloudy	BKN250	23	6			48%	29.96	1015.4
30	09:51	W 10	10.00	Partly Cloudy	SCT250	21	7			54%	29.99	1016.4
30	08:51	W 6	10.00	A Few Clouds	FEW030 FEW250	18	6			59%	29.98	1016.4
30	07:51	NW 7	10.00	A Few Clouds	FEW030 FEW250	16	6			65%	29.99	1016.7
30	06:51	NW 7	10.00	A Few Clouds	FEW030 FEW150	15	6			67%	29.98	1016.2
30	05:51	NW 6	10.00	Fair	CLR	15	6	21	15	67%	29.97	1015.8
30	04:51	NW 7	10.00	Fair	CLR	17	6			62%	29.97	1015.8
30	03:51	NW 8	10.00	Fair	CLR	17	6			62%	29.97	1015.7
30	02:51	NW 6	10.00	A Few Clouds	FEW040	18	7			62%	29.97	1015.7
30	01:51	NW 5	10.00	A Few Clouds	FEW043	18	8			65%	29.95	1014.9
30	00:51	NW 8	10.00	Partly Cloudy	SCT043	20	8			60%	29.93	1014.5

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Sunday, January 29 2017 -- Overcast, Light Snow, Partly Cloudy, Temperatures Near Normal

D a t e	Time (cst)	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.

29	23:51	NW 10	10.00	Partly Cloudy	SCT048	21	9	25	21	59%	10	NA	29.94	1014.7
29	22:51	NW 12	10.00	Mostly Cloudy	FEW034 BKN048	23	12			63%	11	NA	29.94	1014.8
29	21:51	NW 14	10.00	Mostly Cloudy	FEW028 BKN049	24	13			62%	12	NA	29.93	1014.4
29	20:51	NW 10	10.00	Mostly Cloudy	FEW040 BKN050	24	13			62%	14	NA	29.92	1013.9
29	19:51	NW 13	10.00	Overcast	FEW030 OVC050	24	13			62%	12	NA	29.91	1013.8
29	18:51	NW 15	10.00	Light Snow	FEW035 OVC050	24	14			65%	11	NA	29.90	1013.4
29	17:51	NW 13	10.00	Overcast	SCT035 OVC050	25	13	28	24	60%	13	NA	29.89	1013.1
29	16:51	NW 15	10.00	Overcast	FEW015 SCT027 OVC036	25	14			63%	13	NA	29.86	1012.2
29	15:51	NW 13	7.00	Light Snow	OVC034	26	17			69%	15	NA	29.84	1011.1
29	14:51	NW 13	8.00	Light Snow	OVC034	27	16			63%	16	NA	29.81	1010.3
29	13:51	NW 12	9.00	Light Snow	FEW029 OVC036	27	16			63%	16	NA	29.79	1009.7
29	12:51	W 13	7.00	Light Snow	SCT027 OVC033	27	18			69%	16	NA	29.80	1009.9
29	11:51	NW 10	7.00	Light Snow	FEW023 OVC037	28	14	28	26	56%	19	NA	29.82	1010.5
29	10:51	W 9	6.00	Light Snow	BKN028 OVC034	27	17			66%	18	NA	29.82	1010.7
29	09:51	NW 10	8.00	Light Snow	OVC035	27	15			61%	18	NA	29.82	1010.7
29	08:51	NW 10	9.00	Light Snow	OVC031	26	15			63%	16	NA	29.82	1010.4
29	07:51	NW 6	10.00	Overcast	OVC029	26	15			63%	19	NA	29.81	1010.2
29	06:51	NW 12	10.00	Overcast	OVC029	26	16			66%	15	NA	29.80	1009.9
29	05:51	NW 7	10.00	Overcast	OVC029	26	16	27	26	66%	18	NA	29.78	1009.3
29	04:51	NW 8	10.00	Overcast	OVC029	27	16			63%	19	NA	29.78	1009.3
29	03:51	W 8	10.00	Overcast	OVC029	27	16			63%	19	NA	29.78	1009.3
29	02:51	W 7	10.00	Overcast	OVC028	27	16			63%	19	NA	29.79	1009.6
29	01:51	NW 8	10.00	Overcast	OVC027	27	17			66%	19	NA	29.79	1009.7
29	00:51	NW 8	9.00	Light Snow	OVC027	27	17			66%	19	NA	29.79	1009.7

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Saturday, January 28 2017 -- Overcast, Temperatures Near Normal

D a t e	Time (cst)	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.

28	23:51	NW 8	10.00	Overcast	OVC027	27	17	28	27	66%	19	NA	29.81	1010.1
28	22:51	W 10	10.00	Overcast	OVC026	27	17			66%	18	NA	29.81	1010.1
28	21:51	W 12	10.00	Overcast	OVC026	27	17			66%	16	NA	29.81	1010.2
28	20:51	NW 8	10.00	Overcast	OVC025	27	18			69%	19	NA	29.81	1010.2
28	19:51	W 13	10.00	Overcast	OVC025	27	18			69%	16	NA	29.81	1010.3
28	18:51	NW 14	10.00	Overcast	OVC026	27	18			69%	16	NA	29.81	1010.2
28	17:51	NW 14	10.00	Overcast	OVC028	28	18	29	27	66%	17	NA	29.79	1009.5
28	16:51	NW 10	10.00	Overcast	OVC025	29	19			66%	20	NA	29.77	1008.9
28	15:51	W 10	10.00	Overcast	BKN024 OVC030	29	21			72%	20	NA	29.76	1008.4
28	14:51	W 10	9.00	Overcast	SCT014 SCT025 OVC032	28	22			78%	19	NA	29.74	1008.0
28	13:51	NW 10	7.00	Overcast	OVC013	28	22			78%	19	NA	29.73	1007.7
28	12:51	NW 10	9.00	Overcast	OVC015	28	22			78%	19	NA	29.74	1007.8
28	11:51	W 13	8.00	Overcast	OVC015	29	22	29	26	75%	19	NA	29.75	1008.1
28	10:51	W 13	8.00	Overcast	OVC015	29	23			78%	19	NA	29.76	1008.4
28	09:51	W 13	8.00	Overcast	OVC016	29	22			75%	19	NA	29.75	1008.4
28	08:51	W 12	8.00	Overcast	OVC015	28	22			78%	18	NA	29.74	1007.9
28	07:51	W 14	8.00	Overcast	OVC014	27	22			81%	16	NA	29.74	1007.9
28	06:51	W 13	8.00	Overcast	OVC014	27	21			78%	16	NA	29.74	1007.8
28	05:51	W 13	10.00	Overcast	OVC014	26	21	26	24	81%	15	NA	29.75	1008.2
28	04:51	W 13	10.00	Overcast	OVC013	25	20			81%	13	NA	29.76	1008.6
28	03:51	W 13	10.00	Overcast	OVC015	25	19			78%	13	NA	29.76	1008.6
28	02:51	W 13 G 21	10.00	Overcast	OVC015	24	19			81%	12	NA	29.76	1008.7
28	01:51	W 10 G 22	10.00	Overcast	OVC016	24	18			77%	14	NA	29.77	1008.8
28	00:51	W 15	10.00	Mostly Cloudy	BKN017	24	18			77%	11	NA	29.76	1008.7

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Friday, January 27 2017, Overcast, Light Snow, Temperatures Near Normal

D a t e	Time (cst)	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.

27	23:51	W 15 G 23	10.00	Overcast	SCT018 OVC100	26	19	27	25	75%	14	NA	29.77	1009.0
27	22:51	W 13	10.00	Mostly Cloudy	FEW030 FEW080 SCT100 BKN250	26	20			78%	15	NA	29.78	1009.2
27	21:51	W 15 G 23	10.00	Overcast	FEW030 OVC090	27	21			78%	15	NA	29.79	1009.5
27	20:51	W 17 G 24	10.00	Overcast	OVC110	26	19			75%	13	NA	29.80	1009.7
27	19:51	W 16 G 23	10.00	Mostly Cloudy	FEW023 BKN090 BKN110	26	18			71%	14	NA	29.82	1010.4
27	18:51	W 12 G 28	10.00	Overcast	OVC023	26	18			71%	15	NA	29.84	1011.2
27	17:51	W 16 G 28	10.00	Overcast	OVC019	25	17	27	25	72%	12	NA	29.85	1011.6
27	16:51	W 15 G 26	10.00	Overcast	OVC021	26	18			71%	14	NA	29.84	1011.4
27	15:51	W 20 G 24	10.00	Overcast	OVC022	26	18			71%	12	NA	29.84	1011.4
27	14:51	W 18 G 23	9.00	Overcast	OVC025	27	18			69%	14	NA	29.83	1010.9
27	13:51	W 14 G 22	10.00	Light Snow	OVC025	26	17			69%	14	NA	29.83	1011.1
27	12:51	W 17 G 25	10.00	Light Snow	OVC025	26	16			66%	13	NA	29.85	1011.5
27	11:51	W 16 G 23	10.00	Light Snow	SCT022 OVC033	25	17	28	24	72%	12	NA	29.88	1012.5
27	10:51	W 15 G 22	10.00	Light Snow	OVC017	24	18			77%	11	NA	29.90	1013.3
27	09:51	W 13 G 20	8.00	Light Snow	OVC017	26	20			78%	15	NA	29.89	1013.1
27	08:51	W 20 G 24	8.00	Light Snow	OVC020	27	20			75%	13	NA	29.89	1012.8
27	07:51	W 17 G 24	10.00	Overcast	OVC022	27	20			75%	14	NA	29.89	1012.8
27	06:51	W 18 G 25	10.00	Overcast	BKN018 OVC024	28	22			78%	15	NA	29.88	1012.6
27	05:51	W 10	10.00	Light Snow	OVC014	28	23	31	27	81%	19	NA	29.88	1012.7
27	04:51	W 8	10.00	Light Snow	OVC015	28	23			81%	20	NA	29.89	1012.9
27	03:51	W 8	10.00	Light Snow	OVC018	27	21			78%	19	NA	29.90	1013.1
27	02:51	W 13	10.00	Overcast	OVC016	27	21			78%	16	NA	29.91	1013.6
27	01:51	W 14	10.00	Mostly Cloudy	BKN017 BKN035	27	21			78%	16	NA	29.91	1013.5
27	00:51	W 14 G 22	10.00	Overcast	SCT018 BKN025 OVC033	30	23			75%	19	NA	29.90	1013.4

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Thursday, January 26 2017 -- Overcast, Light Rain, Light Snow, Warmer than Normal

D a t e	Time (cst)	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.

26	23:51	W 13 G 21	10.00	Overcast	OVC025	31	22	32	31	69%	29.91	1013.5
26	22:51	W 10	10.00	Overcast	OVC028	31	22			69%	29.92	1013.7
26	21:51	W 13	10.00	Overcast	OVC037	31	23			72%	29.92	1013.7
26	20:51	W 13	10.00	Overcast	FEW025 OVC048	31	23			72%	29.92	1013.7
26	19:51	W 13	10.00	Overcast	OVC050	32	24			73%	29.91	1013.6
26	18:51	W 12 G 21	10.00	Mostly Cloudy	BKN025 BKN060	32	26			79%	29.91	1013.5
26	17:51	W 14	9.00	Overcast	SCT019 SCT034 OVC060	32	27	33	32	82%	29.90	1013.1
26	16:51	W 15	9.00	Light Snow	SCT022 OVC030	33	27			78%	29.89	1012.8
26	15:51	W 14	7.00	Light Snow	OVC020	33	28			82%	29.87	1012.0
26	14:51	W 15	4.00	Light Snow	OVC018	33	28			82%	29.85	1011.4
26	13:51	W 13	9.00	Light Snow	OVC018	33	27			78%	29.83	1010.7
26	12:51	W 13	10.00	Light Snow	OVC016	33	27			78%	29.82	1010.3
26	11:51	W 13	10.00	Light Snow	OVC018	32	27	33	30	82%	29.82	1010.4
26	10:51	W 13	10.00	Overcast	OVC018	32	26			79%	29.83	1010.7
26	09:51	W 15	10.00	Overcast	BKN019 OVC039	31	26			82%	29.80	1009.9
26	08:51	NW 14	10.00	Light Snow	BKN015 OVC039	31	27			85%	29.78	1009.2
26	07:51	W 12	8.00	Light Snow	FEW014 OVC040	30	27			88%	29.76	1008.2
26	06:51	NW 13	10.00	Overcast	BKN016 OVC021	32	27			82%	29.73	1007.5
26	05:51	NW 15	10.00	Overcast	OVC012	32	28	34	32	85%	29.70	1006.4
26	04:51	NW 16	9.00	Light Snow	OVC015	32	29			88%	29.68	1005.5
26	03:51	NW 15	8.00	Light Snow	OVC015	33	29			85%	29.65	1004.7
26	02:51	NW 15	6.00	Light Snow Fog/Mist	FEW014 BKN019 OVC040	33	30			89%	29.63	1003.8
26	01:51	NW 14	10.00	Light Rain Snow	BKN017 OVC029	34	31			89%	29.60	1003.0
26	00:51	NW 13	7.00	Light Rain Snow	BKN011 OVC018	34	32			92%	29.57	1001.9

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Wednesday, January 25 2017 -- Fog/Mist, Overcast, Light Drizzle, Light Rain, Temperatures Warmer Than Normal

D a t e	Time (cst)	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.

25	23:51	NW 10	10.00	Light Rain Snow	BKN008 OVC013	34	32	37	34	92%	29.56	1001.3			0.02
25	22:51	NW 12	9.00	Light Rain Snow	BKN008 OVC013	34	33			97%	29.54	1000.6
25	21:51	W 9	10.00	Light Snow Rain	OVC008	34	33			97%	29.52	999.9
25	20:51	SW 10	10.00	Light Rain	OVC010	34	33			97%	29.51	999.8	0.01	0.02
25	19:51	SW 12	7.00	Light Rain	SCT010 BKN013 OVC046	35	34			96%	29.52	999.9	0.01
25	18:51	W 10	4.00	Light Rain Fog/Mist	BKN010 OVC015	36	34			93%	29.52	1000.0
25	17:51	W 12	6.00	Light Rain Fog/Mist	BKN012 BKN019 OVC032	37	35	41	37	93%	29.51	999.8	0.01		0.02
25	16:51	SW 17 G 23	1.50	Drizzle Fog/Mist	BKN008 OVC012	37	36			96%	29.50	999.4	0.01
25	15:51	W 15 G 24	2.50	Light Drizzle Fog/Mist	OVC008	38	37			97%	29.47	998.4
25	14:51	W 16	3.00	Light Drizzle Fog/Mist	OVC006	38	37			97%	29.46	997.9
25	13:51	W 16 G 25	1.50	Light Drizzle Fog/Mist	OVC006	38	37			97%	29.43	996.9
25	12:51	SW 15 G 24	2.50	Light Drizzle Fog/Mist	OVC006	39	37			93%	29.42	996.8
25	11:51	SW 13	6.00	Fog/Mist	OVC011	41	38	42	37	89%	29.43	996.9
25	10:51	SW 6	6.00	Fog/Mist	OVC014	41	37			86%	29.43	997.1
25	09:51	S 6	5.00	Fog/Mist	OVC019	40	36			86%	29.45	997.6
25	08:51	SE 8	5.00	Fog/Mist	FEW013 OVC024	39	36			89%	29.46	998.0
25	07:51	E 6	4.00	Fog/Mist	SCT013 OVC026	38	35			89%	29.48	998.7
25	06:51	E 7	6.00	Fog/Mist	SCT011 OVC028	38	35			89%	29.49	999.2
25	05:51	E 9	5.00	Fog/Mist	BKN012 OVC033	37	35	37	35	93%	29.52	1000.2			0.05
25	04:51	E 13	5.00	Fog/Mist	OVC012	36	34			93%	29.57	1001.9
25	03:51	E 13	5.00	Fog/Mist	BKN007 BKN021 OVC038	36	34			93%	29.61	1003.2	0.04
25	02:51	E 13	5.00	Light Rain Fog/Mist	BKN009 OVC028	36	33			89%	29.66	1004.8	0.01	0.01
25	01:51	E 14	7.00	Overcast	OVC009	36	33			89%	29.68	1005.6
25	00:51	E 13	6.00	Fog/Mist	OVC012	36	32			86%	29.72	1007.1

Complete data after midnight (may be delayed 24-48 hours).

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Tuesday, January 24 2017 -- Overcast, Fog/Mist, Light Drizzle, Temperatures Warmer than Normal

D a t e	Time (cst)	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.

24	23:51	E 10	6.00	Fog/Mist	OVC013	36	32	36	35	86%	29	NA	29.77	1008.5
24	22:51	E 8	6.00	Fog/Mist	OVC013	36	32			86%	30	NA	29.79	1009.4
24	21:51	E 9	5.00	Light Drizzle Fog/Mist	OVC013	36	32			86%	29	NA	29.79	1009.4
24	20:51	SE 9	6.00	Fog/Mist	OVC013	36	32			86%	29	NA	29.77	1008.9
24	19:51	E 12	8.00	Overcast	OVC015	35	31			85%	27	NA	29.77	1008.8
24	18:51	E 8	9.00	Overcast	OVC014	36	31			82%	30	NA	29.81	1010.1
24	17:51	E 9	10.00	Overcast	OVC015	36	31	36	35	82%	29	NA	29.80	1009.8
24	16:51	S 3	8.00	Overcast	OVC013	36	31			82%	NA	NA	29.83	1010.6
24	15:51	Calm	10.00	Overcast	OVC012	36	31			82%	NA	NA	29.82	1010.3
24	14:51	S 5	10.00	Overcast	OVC012	36	31			82%	32	NA	29.85	1011.2
24	13:51	Calm	10.00	Overcast	OVC010	35	31			85%	NA	NA	29.83	1010.7
24	12:51	W 3	10.00	Overcast	OVC010	35	31			85%	NA	NA	29.85	1011.3
24	11:51	SW 5	10.00	Overcast	OVC009	35	32	36	34	89%	31	NA	29.87	1012.1
24	10:51	N 6	10.00	Overcast	OVC009	35	31			85%	30	NA	29.89	1012.7
24	09:51	Vrbl 5	10.00	Overcast	OVC009	35	31			85%	31	NA	29.89	1012.5
24	08:51	NW 10	10.00	Overcast	OVC010	35	31			85%	27	NA	29.88	1012.6
24	07:51	NW 8	10.00	Overcast	OVC011	35	31			85%	28	NA	29.88	1012.3
24	06:51	NW 8	10.00	Overcast	OVC010	35	32			89%	28	NA	29.86	1011.8
24	05:51	NW 9	10.00	Overcast	OVC010	36	32	38	36	86%	29	NA	29.85	1011.5
24	04:51	NW 10	10.00	Overcast	OVC011	36	33			89%	29	NA	29.83	1010.7
24	03:51	NW 8	10.00	Overcast	OVC010	37	33			86%	31	NA	29.83	1010.4
24	02:51	NW 10	10.00	Overcast	OVC011	37	34			89%	30	NA	29.83	1010.7
24	01:51	NW 9	10.00	Overcast	OVC012	38	34			86%	32	NA	29.81	1010.0
24	00:51	NW 8	10.00	Overcast	OVC011	38	34			86%	32	NA	29.80	1009.6

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Monday, January 23 2017

D a t e	Time (cst)	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.

23	23:51	N 7	10.00	Overcast	OVC011	38	34	41	36	86%	29.80	1009.7
23	22:51	N 6	10.00	Overcast	OVC012	38	35			89%	29.81	1009.9
23	21:51	N 5	10.00	Overcast	SCT012 OVC023	38	35			89%	29.80	1009.8
23	20:51	N 6	10.00	Overcast	OVC024	37	33			86%	29.80	1009.6
23	19:51	NW 7	10.00	Mostly Cloudy	BKN026	38	34			86%	29.79	1009.4
23	18:51	NW 10	10.00	Overcast	OVC025	40	35			83%	29.78	1008.8
23	17:51	NW 9	10.00	Overcast	OVC026	41	35	42	40	79%	29.77	1008.4
23	16:51	NW 9	10.00	Overcast	OVC023	41	35			79%	29.76	1008.3
23	15:51	NW 9	10.00	Overcast	SCT019 OVC026	42	35			76%	29.74	1007.6
23	14:51	NW 9	10.00	Overcast	OVC024	41	36			82%	29.74	1007.5
23	13:51	N 10	10.00	Overcast	BKN014 OVC018	41	36			82%	29.73	1007.3
23	12:51	N 9	10.00	Overcast	OVC014	41	36			82%	29.74	1007.4
23	11:51	N 7	10.00	Overcast	OVC013	40	36	40	37	86%	29.75	1008.0
23	10:51	N 7	10.00	Overcast	OVC016	39	35			86%	29.77	1008.4
23	09:51	N 9 G 20	10.00	Overcast	OVC010	38	35			89%	29.77	1008.7
23	08:51	N 13	10.00	Overcast	OVC009	38	35			89%	29.76	1008.2
23	07:51	N 12	10.00	Overcast	OVC009	38	35			89%	29.74	1007.5
23	06:51	N 12	10.00	Overcast	OVC009	38	35			89%	29.73	1007.2
23	05:51	N 13	10.00	Overcast	OVC008	38	35	39	37	89%	29.73	1007.2
23	04:51	N 14	8.00	Overcast	BKN010 OVC014	37	35			93%	29.72	1006.8
23	03:51	NW 10	7.00	Overcast	BKN007 OVC018	37	36			96%	29.70	1006.1
23	02:51	N 13	4.00	Fog/Mist	OVC006	38	36			93%	29.69	1005.9
23	01:51	NW 12	1.50	Fog/Mist	OVC003	38	37			97%	29.69	1005.9
23	00:51	N 10	0.75	Fog/Mist	OVC004	38	37			97%	29.69	1005.8

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

Chicago Weather O'Hare Data Sunday, January 22 2017 -- Fog/Mist, Overcast, Much Warmer than Normal

D a t e	Time (cst)	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.

22	23:51	N 9	6.00	Fog/Mist	OVC005	39	37	41	39	93%	29.70	1006.0
22	22:51	N 9	9.00	Overcast	SCT008 OVC015	40	37			89%	29.69	1005.7
22	21:51	N 6	9.00	Overcast	SCT008 OVC015	40	38			93%	29.68	1005.4
22	20:51	NE 5	9.00	Overcast	SCT010 BKN016 OVC120	40	38			93%	29.67	1005.0
22	19:51	N 7	9.00	Overcast	BKN011 BKN018 OVC120	40	37			89%	29.65	1004.3
22	18:51	N 7	9.00	Overcast	OVC011	41	38			89%	29.64	1004.0
22	17:51	N 9	9.00	Overcast	OVC013	42	38	46	42	85%	29.65	1004.3	0.01		0.01
22	16:51	N 8	9.00	Light Rain	BKN013 OVC080	43	38			82%	29.63	1003.8
22	15:51	N 8	10.00	Overcast	BKN014 BKN075 OVC100	44	38			79%	29.62	1003.3
22	14:51	N 9	10.00	Overcast	SCT015 BKN080 OVC100	45	39			80%	29.61	1002.8
22	13:51	N 6	7.00	Overcast	BKN014 OVC080	45	39			80%	29.60	1002.6
22	12:51	N 5	8.00	Overcast	BKN014 OVC080	45	39			80%	29.60	1002.8
22	11:51	Calm	9.00	Overcast	SCT013 BKN080 OVC095	45	39	45	40	80%	29.62	1003.3
22	10:51	E 5	10.00	Overcast	BKN009 OVC090	44	39			83%	29.64	1003.9
22	09:51	N 6	7.00	Overcast	OVC009	42	39			89%	29.64	1004.1
22	08:51	N 5	8.00	Overcast	OVC009	41	38			89%	29.63	1003.6
22	07:51	NE 5	7.00	Overcast	OVC008	41	38			89%	29.62	1003.3
22	06:51	N 3	9.00	Overcast	OVC008	40	38			93%	29.61	1002.9
22	05:51	N 5	10.00	Mostly Cloudy	BKN009	41	38	42	38	89%	29.59	1002.3
22	04:51	NW 6	5.00	Fog/Mist	OVC008	40	39			97%	29.57	1001.4
22	03:51	Calm	3.00	Fog/Mist	OVC008	39	39			100%	29.58	1001.7
22	02:51	Calm	0.50	Fog	VV008	41	41			100%	29.57	1001.5
22	01:51	Calm	2.00	Fog/Mist	SCT005 OVC010	40	40			100%	29.58	1001.8
22	00:51	NW 6	1.50	Fog/Mist	BKN003 OVC010	42	41			96%	29.58	1001.8

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS