Point Forecast: Chicago Heights IL  41.51N 87.64W	Last Update: 1:21 pm CDT Jun 14, 2026

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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 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: 2pm Sun, Jun 14 20263pm Sun, Jun 14 20264pm Sun, Jun 14 20265pm Sun, Jun 14 20266pm Sun, Jun 14 20267pm Sun, Jun 14 20268pm Sun, Jun 14 20269pm Sun, Jun 14 202610pm Sun, Jun 14 202611pm Sun, Jun 14 202612am Mon, Jun 15 20261am Mon, Jun 15 20262am Mon, Jun 15 20263am Mon, Jun 15 20264am Mon, Jun 15 20265am Mon, Jun 15 20266am Mon, Jun 15 20267am Mon, Jun 15 20268am Mon, Jun 15 20269am Mon, Jun 15 202610am Mon, Jun 15 202611am Mon, Jun 15 202612pm Mon, Jun 15 20261pm Mon, Jun 15 20262pm Mon, Jun 15 20263pm Mon, Jun 15 20264pm Mon, Jun 15 20265pm Mon, Jun 15 20266pm Mon, Jun 15 20267pm Mon, Jun 15 20268pm Mon, Jun 15 20269pm Mon, Jun 15 202610pm Mon, Jun 15 202611pm Mon, Jun 15 202612am Tue, Jun 16 20261am Tue, Jun 16 20262am Tue, Jun 16 20263am Tue, Jun 16 20264am Tue, Jun 16 20265am Tue, Jun 16 20266am Tue, Jun 16 20267am Tue, Jun 16 20268am Tue, Jun 16 20269am Tue, Jun 16 202610am Tue, Jun 16 202611am Tue, Jun 16 202612pm Tue, Jun 16 20261pm Tue, Jun 16 20262pm Tue, Jun 16 20263pm Tue, Jun 16 20264pm Tue, Jun 16 20265pm Tue, Jun 16 20266pm Tue, Jun 16 20267pm Tue, Jun 16 20268pm Tue, Jun 16 20269pm Tue, Jun 16 202610pm Tue, Jun 16 202611pm Tue, Jun 16 202612am Wed, Jun 17 20261am Wed, Jun 17 20262am Wed, Jun 17 20263am Wed, Jun 17 20264am Wed, Jun 17 20265am Wed, Jun 17 20266am Wed, Jun 17 20267am Wed, Jun 17 20268am Wed, Jun 17 20269am Wed, Jun 17 202610am Wed, Jun 17 202611am Wed, Jun 17 202612pm Wed, Jun 17 20261pm Wed, Jun 17 20262pm Wed, Jun 17 20263pm Wed, Jun 17 20264pm Wed, Jun 17 20265pm Wed, Jun 17 20266pm Wed, Jun 17 20267pm Wed, Jun 17 20268pm Wed, Jun 17 20269pm Wed, Jun 17 202610pm Wed, Jun 17 202611pm Wed, Jun 17 202612am Thu, Jun 18 20261am Thu, Jun 18 20262am Thu, Jun 18 20263am Thu, Jun 18 20264am Thu, Jun 18 20265am Thu, Jun 18 20266am Thu, Jun 18 20267am Thu, Jun 18 20268am Thu, Jun 18 20269am Thu, Jun 18 202610am Thu, Jun 18 202611am Thu, Jun 18 202612pm Thu, Jun 18 20261pm Thu, Jun 18 20262pm Thu, Jun 18 20263pm Thu, Jun 18 20264pm Thu, Jun 18 20265pm Thu, Jun 18 20266pm Thu, Jun 18 20267pm Thu, Jun 18 20268pm Thu, Jun 18 20269pm Thu, Jun 18 202610pm Thu, Jun 18 202611pm Thu, Jun 18 202612am Fri, Jun 19 20261am Fri, Jun 19 2026

Date	06/14										06/15
Hour (CDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	69	70	70	69	68	66	63	61	59	57	56	54	53	52	52	52	53	55	59	63	67	70	72	73
Dewpoint (°F)	53	52	51	51	50	49	49	48	48	48	48	48	48	48	48	47	48	49	50	50	50	49	48	46
Heat Index (°F)
Surface Wind (mph)	16	16	17	16	14	13	9	6	5	3	2	2	3	3	3	5	5	5	6	7	8	9	9	10
Wind Dir	NW	NW	NW	NW	NNW	NNW	NNW	NNW	NNW	NW	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W
Gust	24	25	26	24	22	18															13	15	15	16
Sky Cover (%)	74	68	59	50	38	33	24	14	5	4	5	14	13	12	16	25	42	36	20	13	8	5	7	6
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	57	54	53	52	52	56	59	63	69	73	75	78	82	85	86	85	83	80	72	63	55	48	42	38
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date											06/16
Hour (CDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	74	75	74	74	73	72	68	65	62	60	59	58	57	56	56	56	58	60	65	69	73	75	76	76
Dewpoint (°F)	46	46	47	48	48	49	50	50	49	49	49	49	49	49	49	49	49	51	53	54	56	56	57	56
Heat Index (°F)		75																				75	76	76
Surface Wind (mph)	11	11	11	11	10	9	7	6	6	6	6	7	7	8	8	9	9	9	10	11	14	15	16	17
Wind Dir	W	W	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SW	SW	SW	SW	SW
Gust	16	17	17	17	16	14							13	14	15	15	16	16	17	20	21	23	25	26
Sky Cover (%)	19	32	48	29	47	35	24	22	24	26	35	43	48	40	24	30	22	15	5	35	65	60	56	51
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	5	47	47	47	47	47	47	89
Relative Humidity (%)	37	36	37	39	41	45	52	58	63	68	69	71	74	76	78	76	74	72	65	59	55	53	52	51
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Ocnl
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc

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