Point Forecast: Arlington Heights IL  42.09N 87.98W	Last Update: 5:16 pm CST Nov 12, 2025

[hide menu]

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 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: 6pm Wed, Nov 12 20257pm Wed, Nov 12 20258pm Wed, Nov 12 20259pm Wed, Nov 12 202510pm Wed, Nov 12 202511pm Wed, Nov 12 202512am Thu, Nov 13 20251am Thu, Nov 13 20252am Thu, Nov 13 20253am Thu, Nov 13 20254am Thu, Nov 13 20255am Thu, Nov 13 20256am Thu, Nov 13 20257am Thu, Nov 13 20258am Thu, Nov 13 20259am Thu, Nov 13 202510am Thu, Nov 13 202511am Thu, Nov 13 202512pm Thu, Nov 13 20251pm Thu, Nov 13 20252pm Thu, Nov 13 20253pm Thu, Nov 13 20254pm Thu, Nov 13 20255pm Thu, Nov 13 20256pm Thu, Nov 13 20257pm Thu, Nov 13 20258pm Thu, Nov 13 20259pm Thu, Nov 13 202510pm Thu, Nov 13 202511pm Thu, Nov 13 202512am Fri, Nov 14 20251am Fri, Nov 14 20252am Fri, Nov 14 20253am Fri, Nov 14 20254am Fri, Nov 14 20255am Fri, Nov 14 20256am Fri, Nov 14 20257am Fri, Nov 14 20258am Fri, Nov 14 20259am Fri, Nov 14 202510am Fri, Nov 14 202511am Fri, Nov 14 202512pm Fri, Nov 14 20251pm Fri, Nov 14 20252pm Fri, Nov 14 20253pm Fri, Nov 14 20254pm Fri, Nov 14 20255pm Fri, Nov 14 20256pm Fri, Nov 14 20257pm Fri, Nov 14 20258pm Fri, Nov 14 20259pm Fri, Nov 14 202510pm Fri, Nov 14 202511pm Fri, Nov 14 202512am Sat, Nov 15 20251am Sat, Nov 15 20252am Sat, Nov 15 20253am Sat, Nov 15 20254am Sat, Nov 15 20255am Sat, Nov 15 20256am Sat, Nov 15 20257am Sat, Nov 15 20258am Sat, Nov 15 20259am Sat, Nov 15 202510am Sat, Nov 15 202511am Sat, Nov 15 202512pm Sat, Nov 15 20251pm Sat, Nov 15 20252pm Sat, Nov 15 20253pm Sat, Nov 15 20254pm Sat, Nov 15 20255pm Sat, Nov 15 20256pm Sat, Nov 15 20257pm Sat, Nov 15 20258pm Sat, Nov 15 20259pm Sat, Nov 15 202510pm Sat, Nov 15 202511pm Sat, Nov 15 202512am Sun, Nov 16 20251am Sun, Nov 16 20252am Sun, Nov 16 20253am Sun, Nov 16 20254am Sun, Nov 16 20255am Sun, Nov 16 20256am Sun, Nov 16 20257am Sun, Nov 16 20258am Sun, Nov 16 20259am Sun, Nov 16 202510am Sun, Nov 16 202511am Sun, Nov 16 202512pm Sun, Nov 16 20251pm Sun, Nov 16 20252pm Sun, Nov 16 20253pm Sun, Nov 16 20254pm Sun, Nov 16 20255pm Sun, Nov 16 20256pm Sun, Nov 16 20257pm Sun, Nov 16 20258pm Sun, Nov 16 20259pm Sun, Nov 16 202510pm Sun, Nov 16 202511pm Sun, Nov 16 202512am Mon, Nov 17 20251am Mon, Nov 17 20252am Mon, Nov 17 20253am Mon, Nov 17 20254am Mon, Nov 17 20255am Mon, Nov 17 2025

Date	11/12						11/13
Hour (CST)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	48	46	44	44	43	42	41	39	38	37	36	35	34	34	38	43	47	51	53	55	55	55	53	50
Dewpoint (°F)	28	28	29	29	29	29	29	29	29	29	29	28	28	28	30	30	29	28	28	28	28	29	30	30
Wind Chill (°F)	43	41	39	39	38	37	35	34	33	32	30	30	29	29	34	39	44							48
Surface Wind (mph)	10	10	9	9	9	8	8	7	7	7	7	6	6	6	5	6	6	6	7	7	7	6	6	5
Wind Dir	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	WSW	WSW	WSW	SW	SSW
Gust	18	17	16	16	15	14	14	13	13
Sky Cover (%)	8	15	22	26	31	35	30	24	22	20	19	19	19	20	20	20	24	29	33	34	36	38	47	55
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	4	4	4	4	4	4
Relative Humidity (%)	46	50	54	56	58	61	64	67	69	72	75	77	78	79	72	60	48	41	37	35	35	36	40	46
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							11/14
Hour (CST)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	47	47	46	44	44	42	41	40	40	39	38	37	38	40	43	46	50	54	56	58	59	59	58	55
Dewpoint (°F)	30	31	32	32	32	32	32	32	32	33	33	33	34	35	37	39	41	43	44	45	46	47	47	48
Wind Chill (°F)	45	46	44	43	42	40	39	38	37	36	35	35	35	37	40	44	48
Surface Wind (mph)	5	3	3	3	3	3	3	3	3	3	3	3	3	5	5	5	6	6	7	7	7	7	7	7
Wind Dir	SSW	SSW	SSW	SSW	SSW	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SSE	SSE	SSE	SSE
Gust
Sky Cover (%)	66	70	62	55	38	30	22	19	17	14	13	11	10	9	8	7	8	8	9	11	12	14	17	20
Precipitation Potential (%)	3	3	3	3	3	3	2	2	2	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	52	53	58	61	64	67	70	72	75	78	82	84	85	84	80	76	71	66	63	61	61	63	68	75
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Graphical Hazardous Weather Outlook Hazardous Weather Regional Weather Conditions Past Weather Information