Point Forecast: 9NM NNW Evanston IL  42.19N 87.77W	Last Update: 4:11 pm CDT Jun 18, 2025

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Weather Elements Marine 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 Wave Hght (ft)-Direction Wave Period (s) Freezing Spray 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 Wed, Jun 18 20255pm Wed, Jun 18 20256pm Wed, Jun 18 20257pm Wed, Jun 18 20258pm Wed, Jun 18 20259pm Wed, Jun 18 202510pm Wed, Jun 18 202511pm Wed, Jun 18 202512am Thu, Jun 19 20251am Thu, Jun 19 20252am Thu, Jun 19 20253am Thu, Jun 19 20254am Thu, Jun 19 20255am Thu, Jun 19 20256am Thu, Jun 19 20257am Thu, Jun 19 20258am Thu, Jun 19 20259am Thu, Jun 19 202510am Thu, Jun 19 202511am Thu, Jun 19 202512pm Thu, Jun 19 20251pm Thu, Jun 19 20252pm Thu, Jun 19 20253pm Thu, Jun 19 20254pm Thu, Jun 19 20255pm Thu, Jun 19 20256pm Thu, Jun 19 20257pm Thu, Jun 19 20258pm Thu, Jun 19 20259pm Thu, Jun 19 202510pm Thu, Jun 19 202511pm Thu, Jun 19 202512am Fri, Jun 20 20251am Fri, Jun 20 20252am Fri, Jun 20 20253am Fri, Jun 20 20254am Fri, Jun 20 20255am Fri, Jun 20 20256am Fri, Jun 20 20257am Fri, Jun 20 20258am Fri, Jun 20 20259am Fri, Jun 20 202510am Fri, Jun 20 202511am Fri, Jun 20 202512pm Fri, Jun 20 20251pm Fri, Jun 20 20252pm Fri, Jun 20 20253pm Fri, Jun 20 20254pm Fri, Jun 20 20255pm Fri, Jun 20 20256pm Fri, Jun 20 20257pm Fri, Jun 20 20258pm Fri, Jun 20 20259pm Fri, Jun 20 202510pm Fri, Jun 20 202511pm Fri, Jun 20 202512am Sat, Jun 21 20251am Sat, Jun 21 20252am Sat, Jun 21 20253am Sat, Jun 21 20254am Sat, Jun 21 20255am Sat, Jun 21 20256am Sat, Jun 21 20257am Sat, Jun 21 20258am Sat, Jun 21 20259am Sat, Jun 21 202510am Sat, Jun 21 202511am Sat, Jun 21 202512pm Sat, Jun 21 20251pm Sat, Jun 21 20252pm Sat, Jun 21 20253pm Sat, Jun 21 20254pm Sat, Jun 21 20255pm Sat, Jun 21 20256pm Sat, Jun 21 20257pm Sat, Jun 21 20258pm Sat, Jun 21 20259pm Sat, Jun 21 202510pm Sat, Jun 21 202511pm Sat, Jun 21 202512am Sun, Jun 22 20251am Sun, Jun 22 20252am Sun, Jun 22 20253am Sun, Jun 22 20254am Sun, Jun 22 20255am Sun, Jun 22 20256am Sun, Jun 22 20257am Sun, Jun 22 20258am Sun, Jun 22 20259am Sun, Jun 22 202510am Sun, Jun 22 202511am Sun, Jun 22 202512pm Sun, Jun 22 20251pm Sun, Jun 22 20252pm Sun, Jun 22 20253pm Sun, Jun 22 20254pm Sun, Jun 22 20255pm Sun, Jun 22 20256pm Sun, Jun 22 20257pm Sun, Jun 22 20258pm Sun, Jun 22 20259pm Sun, Jun 22 202510pm Sun, Jun 22 202511pm Sun, Jun 22 202512am Mon, Jun 23 20251am Mon, Jun 23 20252am Mon, Jun 23 20253am Mon, Jun 23 2025

Date	06/18								06/19
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)	63	64	64	64	64	65	65	65	65	65	66	65	65	65	64	66	66	67	69	70	71	73	73	74
Dewpoint (°F)	63	64	64	64	64	64	64	63	63	62	61	61	60	60	60	61	62	62	63	63	63	63	63	62
Heat Index (°F)
Surface Wind (mph)	7	10	11	9	8	8	8	8	7	7	8	8	9	9	8	7	7	7	7	7	8	8	8	8
Wind Dir	NE	NNE	NNE	N	N	NNW	NW	NW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W
Gust
Sky Cover (%)	95	93	94	98	98	97	98	98	95	96	95	95	97	93	85	76	73	69	59	43	33	36	33	26
Precipitation Potential (%)	95	91	84	82	73	59	33	28	23	18	25	32	40	37	34	31	26	22	17	14	12	9	9	9
Relative Humidity (%)	100	100	100	100	100	97	96	93	92	89	85	87	84	83	88	85	87	85	83	79	75	72	71	65
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Chc	Chc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	--	--	--	--	--
Thunder	Chc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Wave Height (ft)	0	0	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Wave Period (sec)	2	2	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Wave Direction (°)	80	50	40	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Date									06/20
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)	76	78	79	80	78	75	74	72	71	70	69	67	66	66	67	69	70	72	74	76	77	79	80	82
Dewpoint (°F)	62	62	61	61	61	62	62	62	61	61	61	62	62	62	62	62	63	64	64	65	65	65	65	65
Heat Index (°F)	76	78	79	81	78	75														76	77	79	82	84
Surface Wind (mph)	8	8	7	6	5	5	4	4	5	5	6	6	6	6	7	8	8	9	9	10	11	12	12	13
Wind Dir	W	WSW	WSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	S
Gust																				16	17	18	19	20
Sky Cover (%)	17	14	11	8	10	11	13	15	18	20	23	25	28	29	29	45	48	52	55	60	66	71	62	52
Precipitation Potential (%)	9	8	5	4	4	4	4	4	4	7	7	7	7	7	7	6	6	6	6	6	6	15	15	15
Relative Humidity (%)	61	59	54	53	56	63	67	71	70	73	77	83	86	86	83	80	78	75	70	69	65	63	59	57
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Wave Height (ft)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Wave Period (sec)	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	2	2	2	2	2	2	2	2
Wave Direction (°)	30	30	30	30	30	30	30	20	20	20	20	20	20	20	30	140	130	110	100	180	180	180	170	170

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