Point Forecast: Sullivan IL  39.61N 88.61W (Elev. 669 ft)	Last Update: 11:12 pm CDT May 26, 2024

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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 Haines Index 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: 11pm Sun, May 26 202412am Mon, May 27 20241am Mon, May 27 20242am Mon, May 27 20243am Mon, May 27 20244am Mon, May 27 20245am Mon, May 27 20246am Mon, May 27 20247am Mon, May 27 20248am Mon, May 27 20249am Mon, May 27 202410am Mon, May 27 202411am Mon, May 27 202412pm Mon, May 27 20241pm Mon, May 27 20242pm Mon, May 27 20243pm Mon, May 27 20244pm Mon, May 27 20245pm Mon, May 27 20246pm Mon, May 27 20247pm Mon, May 27 20248pm Mon, May 27 20249pm Mon, May 27 202410pm Mon, May 27 202411pm Mon, May 27 202412am Tue, May 28 20241am Tue, May 28 20242am Tue, May 28 20243am Tue, May 28 20244am Tue, May 28 20245am Tue, May 28 20246am Tue, May 28 20247am Tue, May 28 20248am Tue, May 28 20249am Tue, May 28 202410am Tue, May 28 202411am Tue, May 28 202412pm Tue, May 28 20241pm Tue, May 28 20242pm Tue, May 28 20243pm Tue, May 28 20244pm Tue, May 28 20245pm Tue, May 28 20246pm Tue, May 28 20247pm Tue, May 28 20248pm Tue, May 28 20249pm Tue, May 28 202410pm Tue, May 28 202411pm Tue, May 28 202412am Wed, May 29 20241am Wed, May 29 20242am Wed, May 29 20243am Wed, May 29 20244am Wed, May 29 20245am Wed, May 29 20246am Wed, May 29 20247am Wed, May 29 20248am Wed, May 29 20249am Wed, May 29 202410am Wed, May 29 202411am Wed, May 29 202412pm Wed, May 29 20241pm Wed, May 29 20242pm Wed, May 29 20243pm Wed, May 29 20244pm Wed, May 29 20245pm Wed, May 29 20246pm Wed, May 29 20247pm Wed, May 29 20248pm Wed, May 29 20249pm Wed, May 29 202410pm Wed, May 29 202411pm Wed, May 29 202412am Thu, May 30 20241am Thu, May 30 20242am Thu, May 30 20243am Thu, May 30 20244am Thu, May 30 20245am Thu, May 30 20246am Thu, May 30 20247am Thu, May 30 20248am Thu, May 30 20249am Thu, May 30 202410am Thu, May 30 202411am Thu, May 30 202412pm Thu, May 30 20241pm Thu, May 30 20242pm Thu, May 30 20243pm Thu, May 30 20244pm Thu, May 30 20245pm Thu, May 30 20246pm Thu, May 30 20247pm Thu, May 30 20248pm Thu, May 30 20249pm Thu, May 30 202410pm Thu, May 30 202411pm Thu, May 30 202412am Fri, May 31 20241am Fri, May 31 20242am Fri, May 31 20243am Fri, May 31 20244am Fri, May 31 20245am Fri, May 31 20246am Fri, May 31 20247am Fri, May 31 20248am Fri, May 31 20249am Fri, May 31 202410am Fri, May 31 2024

Date	05/26	05/27
Hour (CDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	67	66	66	65	63	61	60	59	59	61	63	64	67	69	72	73	74	74	74	74	73	69	65	64
Dewpoint (°F)	65	65	64	63	61	60	59	57	57	56	56	56	56	57	57	57	56	57	57	57	57	58	58	57
Heat Index (°F)
Surface Wind (mph)	9	9	8	8	9	9	10	11	13	13	14	14	14	15	15	15	15	14	13	11	10	9	8	8
Wind Dir	SW	WSW	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	W
Gust	16	16	16	16	17	18	20	21	22	22	23	23	23	24	24	24	24	24	22	21	18	17	17	16
Sky Cover (%)	77	70	62	57	51	46	50	54	58	58	59	59	50	41	33	27	21	15	12	12	5	6	8	10
Precipitation Potential (%)	19	15	12	12	12	8	8	8	4	4	4	4	4	4	12	12	12	12	12	12	5	5	5	5
Relative Humidity (%)	93	97	93	92	93	97	96	93	93	84	78	75	68	66	59	57	53	55	55	55	57	68	78	78
Rain	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		05/28
Hour (CDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	63	61	60	59	59	58	58	59	59	62	64	67	69	71	72	73	73	73	73	72	70	67	64	61
Dewpoint (°F)	57	56	56	55	55	54	54	55	54	54	55	55	55	55	55	54	53	52	51	51	51	51	51	51
Heat Index (°F)
Surface Wind (mph)	8	8	8	8	8	9	9	10	11	11	13	13	14	14	15	15	15	15	14	11	10	9	8	7
Wind Dir	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW	NW	NW	NW
Gust	16	16	16	16	16	16	17	20	22	21	21	21	22	24	25	25	25	24	23	21	18	16
Sky Cover (%)	8	6	4	4	4	5	4	4	4	3	3	2	8	14	20	18	15	13	10	8	5	6	6	7
Precipitation Potential (%)	5	5	0	0	0	0	0	0	0	0	0	0	0	0	5	5	5	5	5	5	2	2	2	2
Relative Humidity (%)	81	84	87	87	87	86	86	87	83	75	73	65	61	57	55	51	49	48	46	48	51	56	63	70
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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