Point Forecast: Yorkville IL  41.65N 88.45W	Last Update: 5:11 pm CDT May 13, 2026

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Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°C) Dewpoint (°C) Heat Index (°C) 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-m) 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: 5pm Wed, May 13 20266pm Wed, May 13 20267pm Wed, May 13 20268pm Wed, May 13 20269pm Wed, May 13 202610pm Wed, May 13 202611pm Wed, May 13 202612am Thu, May 14 20261am Thu, May 14 20262am Thu, May 14 20263am Thu, May 14 20264am Thu, May 14 20265am Thu, May 14 20266am Thu, May 14 20267am Thu, May 14 20268am Thu, May 14 20269am Thu, May 14 202610am Thu, May 14 202611am Thu, May 14 202612pm Thu, May 14 20261pm Thu, May 14 20262pm Thu, May 14 20263pm Thu, May 14 20264pm Thu, May 14 20265pm Thu, May 14 20266pm Thu, May 14 20267pm Thu, May 14 20268pm Thu, May 14 20269pm Thu, May 14 202610pm Thu, May 14 202611pm Thu, May 14 202612am Fri, May 15 20261am Fri, May 15 20262am Fri, May 15 20263am Fri, May 15 20264am Fri, May 15 20265am Fri, May 15 20266am Fri, May 15 20267am Fri, May 15 20268am Fri, May 15 20269am Fri, May 15 202610am Fri, May 15 202611am Fri, May 15 202612pm Fri, May 15 20261pm Fri, May 15 20262pm Fri, May 15 20263pm Fri, May 15 20264pm Fri, May 15 20265pm Fri, May 15 20266pm Fri, May 15 20267pm Fri, May 15 20268pm Fri, May 15 20269pm Fri, May 15 202610pm Fri, May 15 202611pm Fri, May 15 202612am Sat, May 16 20261am Sat, May 16 20262am Sat, May 16 20263am Sat, May 16 20264am Sat, May 16 20265am Sat, May 16 20266am Sat, May 16 20267am Sat, May 16 20268am Sat, May 16 20269am Sat, May 16 202610am Sat, May 16 202611am Sat, May 16 202612pm Sat, May 16 20261pm Sat, May 16 20262pm Sat, May 16 20263pm Sat, May 16 20264pm Sat, May 16 20265pm Sat, May 16 20266pm Sat, May 16 20267pm Sat, May 16 20268pm Sat, May 16 20269pm Sat, May 16 202610pm Sat, May 16 202611pm Sat, May 16 202612am Sun, May 17 20261am Sun, May 17 20262am Sun, May 17 20263am Sun, May 17 20264am Sun, May 17 20265am Sun, May 17 20266am Sun, May 17 20267am Sun, May 17 20268am Sun, May 17 20269am Sun, May 17 202610am Sun, May 17 202611am Sun, May 17 202612pm Sun, May 17 20261pm Sun, May 17 20262pm Sun, May 17 20263pm Sun, May 17 20264pm Sun, May 17 20265pm Sun, May 17 20266pm Sun, May 17 20267pm Sun, May 17 20268pm Sun, May 17 20269pm Sun, May 17 202610pm Sun, May 17 202611pm Sun, May 17 202612am Mon, May 18 20261am Mon, May 18 20262am Mon, May 18 20263am Mon, May 18 20264am Mon, May 18 2026

Date	05/13							05/14
Hour (CDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°C)	17	16	15	13	11	9	8	7	6	5	4	4	4	4	5	8	11	14	16	17	18	19	20	21
Dewpoint (°C)	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	3
Heat Index (°C)
Surface Wind (mph)	16	15	13	8	6	5	5	3	2	2	2	2	2	2	1	1	1	2	2	1	1	1	2	3
Wind Dir	N	N	N	NNE	NNE	ENE	ESE	SSE	SSE	SSW	SW	W	W	W	NW	NW	N	NNE	N	N	N	WNW	SW	SSW
Gust	25	24	22	16
Sky Cover (%)	60	51	38	17	6	5	3	2	3	3	2	3	3	6	5	3	2	2	1	3	3	5	5	4
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 (%)	45	45	47	54	61	68	74	78	82	86	90	92	92	92	86	74	61	51	46	41	38	36	34	32
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date								05/15
Hour (CDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°C)	21	21	19	16	14	12	11	10	9	9	9	9	9	9	10	11	13	14	16	18	19	21	22	22
Dewpoint (°C)	3	3	4	3	3	3	3	2	2	2	3	3	3	4	6	7	8	9	9	11	11	12	12	13
Heat Index (°C)
Surface Wind (mph)	5	5	6	6	7	7	7	7	7	8	8	9	10	11	14	15	16	17	18	18	18	18	17	16
Wind Dir	S	SSE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S
Gust											16	17	18	22	23	25	26	28	28	29	29	28	26	25
Sky Cover (%)	12	24	22	19	19	20	40	51	62	79	73	78	81	77	77	70	72	78	72	66	60	56	53	50
Precipitation Potential (%)	0	0	0	0	0	0	0	0	28	28	28	28	28	28	25	25	25	25	25	25	8	8	8	8
Relative Humidity (%)	32	33	36	42	48	53	57	58	61	62	63	65	67	69	72	73	71	68	65	63	60	58	56	56
Rain	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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