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Point Forecast: Amf Ohare IL  41.98N 87.9W	Last Update: 9:15 pm CST Dec 18, 2018

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Haines Index Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Quantitative Precipitation  3-hr6-hr12-hr24-hr   info     0.100.250.501.00 Snowfall  3-hr6-hr12-hr24-hr   info     0.1in1in3in6in12in

48-Hour Period Starting: 9pm Tue, Dec 18 201810pm Tue, Dec 18 201811pm Tue, Dec 18 201812am Wed, Dec 19 20181am Wed, Dec 19 20182am Wed, Dec 19 20183am Wed, Dec 19 20184am Wed, Dec 19 20185am Wed, Dec 19 20186am Wed, Dec 19 20187am Wed, Dec 19 20188am Wed, Dec 19 20189am Wed, Dec 19 201810am Wed, Dec 19 201811am Wed, Dec 19 201812pm Wed, Dec 19 20181pm Wed, Dec 19 20182pm Wed, Dec 19 20183pm Wed, Dec 19 20184pm Wed, Dec 19 20185pm Wed, Dec 19 20186pm Wed, Dec 19 20187pm Wed, Dec 19 20188pm Wed, Dec 19 20189pm Wed, Dec 19 201810pm Wed, Dec 19 201811pm Wed, Dec 19 201812am Thu, Dec 20 20181am Thu, Dec 20 20182am Thu, Dec 20 20183am Thu, Dec 20 20184am Thu, Dec 20 20185am Thu, Dec 20 20186am Thu, Dec 20 20187am Thu, Dec 20 20188am Thu, Dec 20 20189am Thu, Dec 20 201810am Thu, Dec 20 201811am Thu, Dec 20 201812pm Thu, Dec 20 20181pm Thu, Dec 20 20182pm Thu, Dec 20 20183pm Thu, Dec 20 20184pm Thu, Dec 20 20185pm Thu, Dec 20 20186pm Thu, Dec 20 20187pm Thu, Dec 20 20188pm Thu, Dec 20 20189pm Thu, Dec 20 201810pm Thu, Dec 20 201811pm Thu, Dec 20 201812am Fri, Dec 21 20181am Fri, Dec 21 20182am Fri, Dec 21 20183am Fri, Dec 21 20184am Fri, Dec 21 20185am Fri, Dec 21 20186am Fri, Dec 21 20187am Fri, Dec 21 20188am Fri, Dec 21 20189am Fri, Dec 21 201810am Fri, Dec 21 201811am Fri, Dec 21 201812pm Fri, Dec 21 20181pm Fri, Dec 21 20182pm Fri, Dec 21 20183pm Fri, Dec 21 20184pm Fri, Dec 21 20185pm Fri, Dec 21 20186pm Fri, Dec 21 20187pm Fri, Dec 21 20188pm Fri, Dec 21 20189pm Fri, Dec 21 201810pm Fri, Dec 21 201811pm Fri, Dec 21 201812am Sat, Dec 22 20181am Sat, Dec 22 20182am Sat, Dec 22 20183am Sat, Dec 22 20184am Sat, Dec 22 20185am Sat, Dec 22 20186am Sat, Dec 22 20187am Sat, Dec 22 20188am Sat, Dec 22 20189am Sat, Dec 22 201810am Sat, Dec 22 201811am Sat, Dec 22 201812pm Sat, Dec 22 20181pm Sat, Dec 22 20182pm Sat, Dec 22 20183pm Sat, Dec 22 20184pm Sat, Dec 22 20185pm Sat, Dec 22 20186pm Sat, Dec 22 20187pm Sat, Dec 22 20188pm Sat, Dec 22 20189pm Sat, Dec 22 201810pm Sat, Dec 22 201811pm Sat, Dec 22 201812am Sun, Dec 23 20181am Sun, Dec 23 20182am Sun, Dec 23 20183am Sun, Dec 23 20184am Sun, Dec 23 20185am Sun, Dec 23 20186am Sun, Dec 23 20187am Sun, Dec 23 20188am Sun, Dec 23 2018

Date	12/18			12/19
Hour (CST)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	33	33	33	32	32	31	31	31	32	32	32	33	35	37	40	43	44	45	45	44	44	43	42	41
Dewpoint (°F)	28	27	27	27	27	27	27	27	28	28	28	29	30	31	32	33	34	35	36	36	37	37	37	37
Wind Chill (°F)	25	25	25	24	24	22	22	22	24	24	24	24	27	29	33	36	38	39	39	38	38	37	36	35
Surface Wind (mph)	10	10	10	10	10	10	10	10	10	10	10	11	11	11	13	13	13	11	11	11	11	11	11	10
Wind Dir	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S	S	S	SSW
Gust	15	15	15	15	15	15	15	15	15	15	16	17	18	20	21	21	21	20	18	18	18	16	16	16
Sky Cover (%)	8	13	19	26	30	30	32	45	57	67	65	65	64	66	68	69	71	73	74	77	81	84	86	87
Precipitation Potential (%)	0	0	0	0	0	0	0	1	2	2	2	2	3	3	3	3	3	3	7	7	7	6	6	6
Relative Humidity (%)	82	78	78	81	81	85	85	85	85	85	85	85	82	79	73	67	68	68	70	73	76	79	82	85
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date				12/20
Hour (CST)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	41	41	41	41	41	41	41	41	41	40	40	39	39	40	42	43	42	41	39	39	39	38	37	36
Dewpoint (°F)	37	38	38	38	38	38	38	38	38	38	38	37	37	37	37	37	36	35	34	34	34	34	33	32
Wind Chill (°F)	35	35	35	36	36	36	36	36	36	35	36	36	36	37	38	39	37	36	33	33	32	31	30	28
Surface Wind (mph)	10	9	9	8	8	8	8	7	7	7	6	5	5	5	6	7	8	8	9	9	10	10	10	11
Wind Dir	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	WSW	WSW	W	W	WNW	WNW	NW	NNW	NNW	NNW	NNW	NNW	NNW
Gust	16	16	15	14	13	13																	15
Sky Cover (%)	89	90	92	93	94	94	95	96	96	97	97	98	98	98	98	98	98	98	98	97	97	96	95	93
Precipitation Potential (%)	10	10	10	19	19	19	19	19	19	44	44	44	44	44	44	50	50	50	50	50	50	24	24	24
Relative Humidity (%)	85	89	89	89	89	89	89	89	89	92	92	92	92	89	82	79	79	79	82	82	82	85	85	85
Rain	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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