Point Forecast: 4 Miles WNW Castleton IL  41.14N 89.77W (Elev. 676 ft)	Last Update: 3:36 am CDT Jul 10, 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: 3am Fri, Jul 10 20264am Fri, Jul 10 20265am Fri, Jul 10 20266am Fri, Jul 10 20267am Fri, Jul 10 20268am Fri, Jul 10 20269am Fri, Jul 10 202610am Fri, Jul 10 202611am Fri, Jul 10 202612pm Fri, Jul 10 20261pm Fri, Jul 10 20262pm Fri, Jul 10 20263pm Fri, Jul 10 20264pm Fri, Jul 10 20265pm Fri, Jul 10 20266pm Fri, Jul 10 20267pm Fri, Jul 10 20268pm Fri, Jul 10 20269pm Fri, Jul 10 202610pm Fri, Jul 10 202611pm Fri, Jul 10 202612am Sat, Jul 11 20261am Sat, Jul 11 20262am Sat, Jul 11 20263am Sat, Jul 11 20264am Sat, Jul 11 20265am Sat, Jul 11 20266am Sat, Jul 11 20267am Sat, Jul 11 20268am Sat, Jul 11 20269am Sat, Jul 11 202610am Sat, Jul 11 202611am Sat, Jul 11 202612pm Sat, Jul 11 20261pm Sat, Jul 11 20262pm Sat, Jul 11 20263pm Sat, Jul 11 20264pm Sat, Jul 11 20265pm Sat, Jul 11 20266pm Sat, Jul 11 20267pm Sat, Jul 11 20268pm Sat, Jul 11 20269pm Sat, Jul 11 202610pm Sat, Jul 11 202611pm Sat, Jul 11 202612am Sun, Jul 12 20261am Sun, Jul 12 20262am Sun, Jul 12 20263am Sun, Jul 12 20264am Sun, Jul 12 20265am Sun, Jul 12 20266am Sun, Jul 12 20267am Sun, Jul 12 20268am Sun, Jul 12 20269am Sun, Jul 12 202610am Sun, Jul 12 202611am Sun, Jul 12 202612pm Sun, Jul 12 20261pm Sun, Jul 12 20262pm Sun, Jul 12 20263pm Sun, Jul 12 20264pm Sun, Jul 12 20265pm Sun, Jul 12 20266pm Sun, Jul 12 20267pm Sun, Jul 12 20268pm Sun, Jul 12 20269pm Sun, Jul 12 202610pm Sun, Jul 12 202611pm Sun, Jul 12 202612am Mon, Jul 13 20261am Mon, Jul 13 20262am Mon, Jul 13 20263am Mon, Jul 13 20264am Mon, Jul 13 20265am Mon, Jul 13 20266am Mon, Jul 13 20267am Mon, Jul 13 20268am Mon, Jul 13 20269am Mon, Jul 13 202610am Mon, Jul 13 202611am Mon, Jul 13 202612pm Mon, Jul 13 20261pm Mon, Jul 13 20262pm Mon, Jul 13 20263pm Mon, Jul 13 20264pm Mon, Jul 13 20265pm Mon, Jul 13 20266pm Mon, Jul 13 20267pm Mon, Jul 13 20268pm Mon, Jul 13 20269pm Mon, Jul 13 202610pm Mon, Jul 13 202611pm Mon, Jul 13 202612am Tue, Jul 14 20261am Tue, Jul 14 20262am Tue, Jul 14 20263am Tue, Jul 14 20264am Tue, Jul 14 20265am Tue, Jul 14 20266am Tue, Jul 14 20267am Tue, Jul 14 20268am Tue, Jul 14 20269am Tue, Jul 14 202610am Tue, Jul 14 202611am Tue, Jul 14 202612pm Tue, Jul 14 20261pm Tue, Jul 14 20262pm Tue, Jul 14 2026

Date	07/10																					07/11
Hour (CDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°F)	69	69	68	68	70	73	76	78	80	81	83	83	83	84	83	83	82	78	75	73	72	71	70	69
Dewpoint (°F)	66	65	65	66	68	70	71	71	72	71	71	72	71	71	71	70	70	70	68	67	67	65	64	63
Heat Index (°F)							76	78	84	85	88	88	88	89	88	87	86	78	75
Surface Wind (mph)	1	2	1	1	1	0	1	2	2	3	3	5	3	3	5	5	5	3	3	3	3	5	5	5
Wind Dir	W	NW	W	SW	WNW	SE	E	E	NE	NE	NE	NE	NE	NNE	N	NNE	NNE	NE	ENE	NE	ENE	ENE	ENE	ENE
Gust
Sky Cover (%)	22	28	34	39	43	47	51	55	60	64	69	61	58	54	59	65	70	74	79	83	82	82	81	64
Precipitation Potential (%)	7	6	5	5	4	6	8	9	12	14	17	18	19	20	21	21	21	21	20	20	16	12	8	6
Relative Humidity (%)	90	87	90	93	93	90	85	79	77	72	67	70	67	65	67	65	67	76	79	81	84	81	81	81
Rain	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--
Date																						07/12
Hour (CDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°F)	66	66	65	64	66	69	71	76	78	80	81	82	83	83	84	82	82	79	76	72	70	69	68	67
Dewpoint (°F)	62	61	61	60	61	63	64	64	65	65	65	65	65	66	66	66	66	66	65	64	63	63	62	61
Heat Index (°F)								76	78	82	83	84	85	85	86	84	84	79	76
Surface Wind (mph)	3	3	3	3	5	5	5	6	6	7	8	8	8	8	8	7	6	3	3	3	3	3	3	3
Wind Dir	ENE	ENE	NE	NE	NE	NE	ENE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Gust
Sky Cover (%)	68	63	56	45	51	45	28	22	23	26	17	20	20	19	15	13	15	23	21	18	17	17	16	14
Precipitation Potential (%)	4	3	2	2	2	1	1	0	1	2	3	2	1	0	2	3	4	4	4	4	4	4	4	4
Relative Humidity (%)	87	84	87	87	84	81	79	66	64	60	58	56	55	57	55	58	58	64	69	76	78	81	81	81
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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