Point Forecast: Arlington Heights IL  42.09N 87.98W	Last Update: 8:42 am CDT Mar 27, 2025

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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 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: 12pm Thu, Mar 27 20251pm Thu, Mar 27 20252pm Thu, Mar 27 20253pm Thu, Mar 27 20254pm Thu, Mar 27 20255pm Thu, Mar 27 20256pm Thu, Mar 27 20257pm Thu, Mar 27 20258pm Thu, Mar 27 20259pm Thu, Mar 27 202510pm Thu, Mar 27 202511pm Thu, Mar 27 202512am Fri, Mar 28 20251am Fri, Mar 28 20252am Fri, Mar 28 20253am Fri, Mar 28 20254am Fri, Mar 28 20255am Fri, Mar 28 20256am Fri, Mar 28 20257am Fri, Mar 28 20258am Fri, Mar 28 20259am Fri, Mar 28 202510am Fri, Mar 28 202511am Fri, Mar 28 202512pm Fri, Mar 28 20251pm Fri, Mar 28 20252pm Fri, Mar 28 20253pm Fri, Mar 28 20254pm Fri, Mar 28 20255pm Fri, Mar 28 20256pm Fri, Mar 28 20257pm Fri, Mar 28 20258pm Fri, Mar 28 20259pm Fri, Mar 28 202510pm Fri, Mar 28 202511pm Fri, Mar 28 202512am Sat, Mar 29 20251am Sat, Mar 29 20252am Sat, Mar 29 20253am Sat, Mar 29 20254am Sat, Mar 29 20255am Sat, Mar 29 20256am Sat, Mar 29 20257am Sat, Mar 29 20258am Sat, Mar 29 20259am Sat, Mar 29 202510am Sat, Mar 29 202511am Sat, Mar 29 202512pm Sat, Mar 29 20251pm Sat, Mar 29 20252pm Sat, Mar 29 20253pm Sat, Mar 29 20254pm Sat, Mar 29 20255pm Sat, Mar 29 20256pm Sat, Mar 29 20257pm Sat, Mar 29 20258pm Sat, Mar 29 20259pm Sat, Mar 29 202510pm Sat, Mar 29 202511pm Sat, Mar 29 202512am Sun, Mar 30 20251am Sun, Mar 30 20252am Sun, Mar 30 20253am Sun, Mar 30 20254am Sun, Mar 30 20255am Sun, Mar 30 20256am Sun, Mar 30 20257am Sun, Mar 30 20258am Sun, Mar 30 20259am Sun, Mar 30 202510am Sun, Mar 30 202511am Sun, Mar 30 202512pm Sun, Mar 30 20251pm Sun, Mar 30 20252pm Sun, Mar 30 20253pm Sun, Mar 30 20254pm Sun, Mar 30 20255pm Sun, Mar 30 20256pm Sun, Mar 30 20257pm Sun, Mar 30 20258pm Sun, Mar 30 20259pm Sun, Mar 30 202510pm Sun, Mar 30 202511pm Sun, Mar 30 202512am Mon, Mar 31 20251am Mon, Mar 31 20252am Mon, Mar 31 20253am Mon, Mar 31 20254am Mon, Mar 31 20255am Mon, Mar 31 20256am Mon, Mar 31 20257am Mon, Mar 31 20258am Mon, Mar 31 20259am Mon, Mar 31 202510am Mon, Mar 31 202511am Mon, Mar 31 202512pm Mon, Mar 31 20251pm Mon, Mar 31 20252pm Mon, Mar 31 20253pm Mon, Mar 31 20254pm Mon, Mar 31 20255pm Mon, Mar 31 20256pm Mon, Mar 31 20257pm Mon, Mar 31 20258pm Mon, Mar 31 20259pm Mon, Mar 31 202510pm Mon, Mar 31 202511pm Mon, Mar 31 2025

Date	03/27												03/28
Hour (CDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°F)	56	56	57	58	57	57	55	53	51	50	50	49	49	48	48	48	48	48	49	48	52	54	59	64
Dewpoint (°F)	36	37	38	37	36	35	38	41	43	43	44	45	45	46	46	46	46	47	47	47	48	50	51	52
Wind Chill (°F)										46	46	45	45	43	43	43	43	44	45	44
Surface Wind (mph)	8	9	10	11	11	11	11	9	9	10	9	10	10	10	10	10	10	9	9	9	11	13	15	17
Wind Dir	SW	SW	SW	SSW	SSW	S	S	S	S	S	S	S	S	S	S	SSE	SSE	SSE	S	S	S	SSW	SSW	SSW
Gust	13	14	16	17	17	20	21	20	21	22	22	23	24	25	23	22	21	17	14		17	22	25	29
Sky Cover (%)	79	78	78	77	77	79	80	80	80	79	78	73	80	86	86	91	93	88	88	91	84	78	72	63
Precipitation Potential (%)	10	10	10	10	9	8	7	4	4	3	4	8	12	30	36	41	51	53	56	47	47	47	22	17
Relative Humidity (%)	47	49	49	45	45	43	53	64	74	77	80	86	86	93	93	93	93	96	93	96	86	86	75	65
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Lkly	Chc	Chc	Chc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date													03/29
Hour (CDT)	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11
Temperature (°F)	69	73	76	77	77	76	75	72	70	69	67	66	64	63	63	62	61	60	60	59	60	62	61	61
Dewpoint (°F)	53	53	53	53	53	52	53	53	52	52	52	52	52	52	52	52	52	52	52	52	52	53	53	53
Wind Chill (°F)
Surface Wind (mph)	18	21	23	24	26	25	25	24	23	23	22	22	21	21	21	21	20	18	16	15	14	14	14	14
Wind Dir	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust	32	34	37	39	41	41	41	41	41	40	39	38	37	36	34	33	32	29	25	23	22	22	22	22
Sky Cover (%)	53	44	37	31	24	23	21	19	21	22	24	27	29	32	38	45	52	58	64	70	70	70	71	72
Precipitation Potential (%)	11	5	5	5	0	0	0	3	3	3	3	3	3	8	8	8	12	12	12	24	24	24	24	24
Relative Humidity (%)	57	49	45	43	43	43	46	51	53	55	59	61	65	67	67	70	72	75	75	78	75	72	75	75
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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