Point Forecast: Havana IL  40.29N 90.04W (Elev. 479 ft)	Last Update: 12:25 pm CDT Aug 21, 2025

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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: 1pm Thu, Aug 21 20252pm Thu, Aug 21 20253pm Thu, Aug 21 20254pm Thu, Aug 21 20255pm Thu, Aug 21 20256pm Thu, Aug 21 20257pm Thu, Aug 21 20258pm Thu, Aug 21 20259pm Thu, Aug 21 202510pm Thu, Aug 21 202511pm Thu, Aug 21 202512am Fri, Aug 22 20251am Fri, Aug 22 20252am Fri, Aug 22 20253am Fri, Aug 22 20254am Fri, Aug 22 20255am Fri, Aug 22 20256am Fri, Aug 22 20257am Fri, Aug 22 20258am Fri, Aug 22 20259am Fri, Aug 22 202510am Fri, Aug 22 202511am Fri, Aug 22 202512pm Fri, Aug 22 20251pm Fri, Aug 22 20252pm Fri, Aug 22 20253pm Fri, Aug 22 20254pm Fri, Aug 22 20255pm Fri, Aug 22 20256pm Fri, Aug 22 20257pm Fri, Aug 22 20258pm Fri, Aug 22 20259pm Fri, Aug 22 202510pm Fri, Aug 22 202511pm Fri, Aug 22 202512am Sat, Aug 23 20251am Sat, Aug 23 20252am Sat, Aug 23 20253am Sat, Aug 23 20254am Sat, Aug 23 20255am Sat, Aug 23 20256am Sat, Aug 23 20257am Sat, Aug 23 20258am Sat, Aug 23 20259am Sat, Aug 23 202510am Sat, Aug 23 202511am Sat, Aug 23 202512pm Sat, Aug 23 20251pm Sat, Aug 23 20252pm Sat, Aug 23 20253pm Sat, Aug 23 20254pm Sat, Aug 23 20255pm Sat, Aug 23 20256pm Sat, Aug 23 20257pm Sat, Aug 23 20258pm Sat, Aug 23 20259pm Sat, Aug 23 202510pm Sat, Aug 23 202511pm Sat, Aug 23 202512am Sun, Aug 24 20251am Sun, Aug 24 20252am Sun, Aug 24 20253am Sun, Aug 24 20254am Sun, Aug 24 20255am Sun, Aug 24 20256am Sun, Aug 24 20257am Sun, Aug 24 20258am Sun, Aug 24 20259am Sun, Aug 24 202510am Sun, Aug 24 202511am Sun, Aug 24 202512pm Sun, Aug 24 20251pm Sun, Aug 24 20252pm Sun, Aug 24 20253pm Sun, Aug 24 20254pm Sun, Aug 24 20255pm Sun, Aug 24 20256pm Sun, Aug 24 20257pm Sun, Aug 24 20258pm Sun, Aug 24 20259pm Sun, Aug 24 202510pm Sun, Aug 24 202511pm Sun, Aug 24 202512am Mon, Aug 25 20251am Mon, Aug 25 20252am Mon, Aug 25 20253am Mon, Aug 25 20254am Mon, Aug 25 20255am Mon, Aug 25 20256am Mon, Aug 25 20257am Mon, Aug 25 20258am Mon, Aug 25 20259am Mon, Aug 25 202510am Mon, Aug 25 202511am Mon, Aug 25 202512pm Mon, Aug 25 20251pm Mon, Aug 25 20252pm Mon, Aug 25 20253pm Mon, Aug 25 20254pm Mon, Aug 25 20255pm Mon, Aug 25 20256pm Mon, Aug 25 20257pm Mon, Aug 25 20258pm Mon, Aug 25 20259pm Mon, Aug 25 202510pm Mon, Aug 25 202511pm Mon, Aug 25 202512am Tue, Aug 26 2025

Date	08/21											08/22
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	77	79	80	81	81	80	78	74	71	68	67	66	64	63	62	61	61	60	61	64	68	73	75	77
Dewpoint (°F)	63	63	63	63	64	65	66	65	65	64	64	63	63	62	62	61	61	60	61	63	65	66	66	66
Heat Index (°F)	77	79	81	82	83	82	78																75	77
Surface Wind (mph)	8	6	6	6	6	5	5	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2
Wind Dir	NE	NE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	NNE	NE	NE	ENE	NE	NNE	N
Gust
Sky Cover (%)	66	64	59	53	47	44	41	32	23	14	12	9	7	9	12	14	21	28	35	41	48	54	48	42
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 (%)	62	58	56	54	56	60	67	74	82	86	90	91	95	96	99	100	100	100	100	96	88	79	73	68
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												08/23
Hour (CDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	79	81	82	82	82	81	79	75	72	70	68	67	66	65	65	65	64	65	66	69	72	75	77	79
Dewpoint (°F)	66	65	66	65	65	66	66	66	65	65	64	64	64	64	64	63	63	63	64	66	67	68	68	68
Heat Index (°F)	81	82	84	84	84	83	79	75														75	77	79
Surface Wind (mph)	3	1	2	2	2	2	2	2	2	1	1	1	2	2	1	2	2	2	3	3	3	5	5	6
Wind Dir	N	N	N	NNE	NNE	NE	NE	ENE	E	ESE	S	SSW	SW	SW	WSW	WSW	WSW	WSW	WSW	W	WNW	WNW	WNW	WNW
Gust
Sky Cover (%)	36	32	28	25	26	27	29	27	26	24	28	32	36	42	49	55	57	60	62	48	45	43	43	44
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	3	3	3	3	3	3	16	16	16	16	16	16
Relative Humidity (%)	63	60	59	57	58	60	66	73	81	85	89	92	95	96	96	96	97	96	93	90	84	79	74	69
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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