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Point Forecast: 4 Miles NE Chicago IL  41.88N 87.65W	Last Update: 12:15 pm CDT Sep 19, 2021

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder 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: 1pm Sun, Sep 19 20212pm Sun, Sep 19 20213pm Sun, Sep 19 20214pm Sun, Sep 19 20215pm Sun, Sep 19 20216pm Sun, Sep 19 20217pm Sun, Sep 19 20218pm Sun, Sep 19 20219pm Sun, Sep 19 202110pm Sun, Sep 19 202111pm Sun, Sep 19 202112am Mon, Sep 20 20211am Mon, Sep 20 20212am Mon, Sep 20 20213am Mon, Sep 20 20214am Mon, Sep 20 20215am Mon, Sep 20 20216am Mon, Sep 20 20217am Mon, Sep 20 20218am Mon, Sep 20 20219am Mon, Sep 20 202110am Mon, Sep 20 202111am Mon, Sep 20 202112pm Mon, Sep 20 20211pm Mon, Sep 20 20212pm Mon, Sep 20 20213pm Mon, Sep 20 20214pm Mon, Sep 20 20215pm Mon, Sep 20 20216pm Mon, Sep 20 20217pm Mon, Sep 20 20218pm Mon, Sep 20 20219pm Mon, Sep 20 202110pm Mon, Sep 20 202111pm Mon, Sep 20 202112am Tue, Sep 21 20211am Tue, Sep 21 20212am Tue, Sep 21 20213am Tue, Sep 21 20214am Tue, Sep 21 20215am Tue, Sep 21 20216am Tue, Sep 21 20217am Tue, Sep 21 20218am Tue, Sep 21 20219am Tue, Sep 21 202110am Tue, Sep 21 202111am Tue, Sep 21 202112pm Tue, Sep 21 20211pm Tue, Sep 21 20212pm Tue, Sep 21 20213pm Tue, Sep 21 20214pm Tue, Sep 21 20215pm Tue, Sep 21 20216pm Tue, Sep 21 20217pm Tue, Sep 21 20218pm Tue, Sep 21 20219pm Tue, Sep 21 202110pm Tue, Sep 21 202111pm Tue, Sep 21 202112am Wed, Sep 22 20211am Wed, Sep 22 20212am Wed, Sep 22 20213am Wed, Sep 22 20214am Wed, Sep 22 20215am Wed, Sep 22 20216am Wed, Sep 22 20217am Wed, Sep 22 20218am Wed, Sep 22 20219am Wed, Sep 22 202110am Wed, Sep 22 202111am Wed, Sep 22 202112pm Wed, Sep 22 20211pm Wed, Sep 22 20212pm Wed, Sep 22 20213pm Wed, Sep 22 20214pm Wed, Sep 22 20215pm Wed, Sep 22 20216pm Wed, Sep 22 20217pm Wed, Sep 22 20218pm Wed, Sep 22 20219pm Wed, Sep 22 202110pm Wed, Sep 22 202111pm Wed, Sep 22 202112am Thu, Sep 23 20211am Thu, Sep 23 20212am Thu, Sep 23 20213am Thu, Sep 23 20214am Thu, Sep 23 20215am Thu, Sep 23 20216am Thu, Sep 23 20217am Thu, Sep 23 20218am Thu, Sep 23 20219am Thu, Sep 23 202110am Thu, Sep 23 202111am Thu, Sep 23 202112pm Thu, Sep 23 20211pm Thu, Sep 23 20212pm Thu, Sep 23 20213pm Thu, Sep 23 20214pm Thu, Sep 23 20215pm Thu, Sep 23 20216pm Thu, Sep 23 20217pm Thu, Sep 23 20218pm Thu, Sep 23 20219pm Thu, Sep 23 202110pm Thu, Sep 23 202111pm Thu, Sep 23 202112am Fri, Sep 24 2021

Date	09/19											09/20
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	79	80	80	80	79	78	77	76	77	77	76	76	76	76	75	74	73	72	72	73	74	75	76	76
Dewpoint (°F)	63	63	63	63	64	65	66	67	67	67	66	66	65	65	65	66	67	67	68	68	69	69	69	69
Heat Index (°F)	79	81	81	81	79	78	77	76	77	77	76	76	76	76	75							75	76	76
Surface Wind (mph)	7	7	7	8	7	7	7	8	9	9	9	9	9	9	9	9	10	13	14	15	15	15	15	16
Wind Dir	ESE	ESE	ESE	ESE	ESE	SE	ESE	ESE	SE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	SSE	SSE	S	S	S	S
Gust		13	13	14	14	13	13	13									15	18	21	22	23	24	25	25
Sky Cover (%)	15	25	35	45	47	50	53	54	56	58	62	65	69	71	73	75	75	75	75	76	78	80	78	76
Precipitation Potential (%)	0	0	0	1	1	1	1	1	1	2	2	2	5	11	17	23	29	34	61	61	61	61	61	61
Relative Humidity (%)	58	56	56	56	60	64	69	74	71	71	71	71	69	69	71	76	81	84	87	84	84	82	79	79
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc
Date												09/21
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	77	78	79	79	78	77	76	75	74	73	72	72	71	71	71	70	68	66	65	65	66	68	70	71
Dewpoint (°F)	69	69	69	68	69	69	69	69	69	69	69	68	68	68	68	68	67	66	65	64	64	63	62	61
Heat Index (°F)	77	78	79	79	78	77	76	75
Surface Wind (mph)	16	16	16	16	15	15	14	14	14	14	14	14	14	14	14	13	11	10	9	9	9	10	11	11
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SW	WSW	W	WNW	NW	NW	NW
Gust	25	25	25	25	23	22	20	21	21	22	22	23	23	23	23	23	21	18	17	17	17	18	20	21
Sky Cover (%)	73	70	67	63	57	51	45	49	57	61	64	71	74	77	84	87	86	83	82	81	78	77	75	71
Precipitation Potential (%)	38	38	38	38	38	38	26	26	26	26	26	26	79	79	79	79	79	79	61	61	61	61	61	61
Relative Humidity (%)	76	74	72	69	74	76	79	82	84	87	90	87	90	90	90	93	97	100	100	97	93	84	76	71
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc

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