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Point Forecast: 6 Miles NNE Chicago IL  41.9N 87.64W	Last Update: 4:15 pm CDT Sep 20, 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: 4pm 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 20211am Fri, Sep 24 20212am Fri, Sep 24 20213am Fri, Sep 24 20214am Fri, Sep 24 20215am Fri, Sep 24 20216am Fri, Sep 24 20217am Fri, Sep 24 20218am Fri, Sep 24 20219am Fri, Sep 24 202110am Fri, Sep 24 202111am Fri, Sep 24 202112pm Fri, Sep 24 20211pm Fri, Sep 24 20212pm Fri, Sep 24 20213pm Fri, Sep 24 20214pm Fri, Sep 24 20215pm Fri, Sep 24 20216pm Fri, Sep 24 20217pm Fri, Sep 24 20218pm Fri, Sep 24 20219pm Fri, Sep 24 202110pm Fri, Sep 24 202111pm Fri, Sep 24 202112am Sat, Sep 25 20211am Sat, Sep 25 20212am Sat, Sep 25 20213am Sat, Sep 25 2021

Date	09/20								09/21
Hour (CDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	81	80	77	73	72	72	72	72	72	71	69	69	68	67	65	64	69	69	64	64	64	69	69	69
Dewpoint (°F)	69	69	69	69	69	69	69	69	68	68	68	67	67	66	65	64	63	61	60	59	58	57	56	55
Heat Index (°F)	84	83	77
Surface Wind (mph)	17	17	18	20	21	21	21	22	21	21	21	17	15	14	13	11	11	13	13	13	13	13	13	13
Wind Dir	S	S	S	S	S	S	S	S	SSW	S	SSW	SSW	SSW	SW	SW	W	NW	NW	NW	NNW	NNW	NNW	NNW	N
Gust	25	28	30	32	33	33	33	34	34	33	31	29	25	23	21	20	20	21	22	22	21	21	21	22
Sky Cover (%)	58	53	48	43	51	56	61	72	82	93	95	96	98	98	97	97	95	93	91	90	89	88	88	87
Precipitation Potential (%)	47	36	24	11	11	7	3	10	12	24	46	78	90	82	66	58	58	58	27	27	27	18	18	18
Relative Humidity (%)	67	69	76	87	90	90	90	90	87	90	97	93	97	97	100	100	81	76	87	84	81	66	63	61
Rain	Chc	Chc	SChc	--	--	--	--	--	--	SChc	Chc	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	SChc	SChc	SChc
Thunder	Chc	Chc	--	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--
Date									09/22
Hour (CDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	68	68	67	65	64	64	64	63	63	63	63	62	60	59	58	59	60	61	62	62	62	63	63	63
Dewpoint (°F)	54	54	53	53	53	52	52	52	53	53	53	53	53	53	53	53	52	52	52	51	50	49	49	49
Heat Index (°F)
Surface Wind (mph)	13	14	14	15	15	16	16	16	16	16	17	17	18	18	18	17	17	17	18	18	20	20	21	21
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N
Gust	23	23	24	24	24	25	25	26	26	28	29	29	29	28	28	26	26	26	26	26	26	28	29	30
Sky Cover (%)	87	84	81	78	80	83	85	86	87	88	87	87	86	76	66	56	55	54	53	54	57	58	57	55
Precipitation Potential (%)	17	17	17	37	37	37	37	37	37	40	40	40	40	40	40	18	18	18	18	18	18	16	16	16
Relative Humidity (%)	61	61	61	65	67	65	65	67	70	70	70	72	78	80	83	80	75	72	70	67	65	60	60	60
Rain	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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