Point Forecast: East Alton IL  38.88N 90.11W (Elev. 436 ft)	Last Update: 7:36 pm CDT Apr 29, 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 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: 7pm Tue, Apr 29 20258pm Tue, Apr 29 20259pm Tue, Apr 29 202510pm Tue, Apr 29 202511pm Tue, Apr 29 202512am Wed, Apr 30 20251am Wed, Apr 30 20252am Wed, Apr 30 20253am Wed, Apr 30 20254am Wed, Apr 30 20255am Wed, Apr 30 20256am Wed, Apr 30 20257am Wed, Apr 30 20258am Wed, Apr 30 20259am Wed, Apr 30 202510am Wed, Apr 30 202511am Wed, Apr 30 202512pm Wed, Apr 30 20251pm Wed, Apr 30 20252pm Wed, Apr 30 20253pm Wed, Apr 30 20254pm Wed, Apr 30 20255pm Wed, Apr 30 20256pm Wed, Apr 30 20257pm Wed, Apr 30 20258pm Wed, Apr 30 20259pm Wed, Apr 30 202510pm Wed, Apr 30 202511pm Wed, Apr 30 202512am Thu, May 1 20251am Thu, May 1 20252am Thu, May 1 20253am Thu, May 1 20254am Thu, May 1 20255am Thu, May 1 20256am Thu, May 1 20257am Thu, May 1 20258am Thu, May 1 20259am Thu, May 1 202510am Thu, May 1 202511am Thu, May 1 202512pm Thu, May 1 20251pm Thu, May 1 20252pm Thu, May 1 20253pm Thu, May 1 20254pm Thu, May 1 20255pm Thu, May 1 20256pm Thu, May 1 20257pm Thu, May 1 20258pm Thu, May 1 20259pm Thu, May 1 202510pm Thu, May 1 202511pm Thu, May 1 202512am Fri, May 2 20251am Fri, May 2 20252am Fri, May 2 20253am Fri, May 2 20254am Fri, May 2 20255am Fri, May 2 20256am Fri, May 2 20257am Fri, May 2 20258am Fri, May 2 20259am Fri, May 2 202510am Fri, May 2 202511am Fri, May 2 202512pm Fri, May 2 20251pm Fri, May 2 20252pm Fri, May 2 20253pm Fri, May 2 20254pm Fri, May 2 20255pm Fri, May 2 20256pm Fri, May 2 20257pm Fri, May 2 20258pm Fri, May 2 20259pm Fri, May 2 202510pm Fri, May 2 202511pm Fri, May 2 202512am Sat, May 3 20251am Sat, May 3 20252am Sat, May 3 20253am Sat, May 3 20254am Sat, May 3 20255am Sat, May 3 20256am Sat, May 3 20257am Sat, May 3 20258am Sat, May 3 20259am Sat, May 3 202510am Sat, May 3 202511am Sat, May 3 202512pm Sat, May 3 20251pm Sat, May 3 20252pm Sat, May 3 20253pm Sat, May 3 20254pm Sat, May 3 20255pm Sat, May 3 20256pm Sat, May 3 20257pm Sat, May 3 20258pm Sat, May 3 20259pm Sat, May 3 202510pm Sat, May 3 202511pm Sat, May 3 202512am Sun, May 4 20251am Sun, May 4 20252am Sun, May 4 20253am Sun, May 4 20254am Sun, May 4 20255am Sun, May 4 20256am Sun, May 4 2025

Date	04/29					04/30
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	63	62	62	61	59	58	58	57	57	56	56	56	56	57	58	60	62	64	66	68	69	70	70	70
Dewpoint (°F)	55	55	55	55	55	54	54	54	53	52	52	52	52	54	55	56	58	58	60	61	62	63	63	64
Heat Index (°F)
Surface Wind (mph)	1	2	2	3	2	2	2	2	3	3	5	5	7	7	8	8	8	9	9	9	9	9	9	8
Wind Dir	NE	NE	N	N	N	N	NE	NE	NE	E	E	E	E	E	E	E	SE	SE	SE	SE	SE	SE	SE	SE
Gust
Sky Cover (%)	80	94	96	95	90	85	80	80	83	87	94	100	100	100	97	95	93	91	91	90	89	89	86	84
Precipitation Potential (%)	7	4	1	2	3	3	3	7	10	14	28	41	36	48	60	70	80	69	58	51	55	59	74	68
Relative Humidity (%)	75	78	78	81	87	87	87	90	86	86	86	86	86	90	90	87	87	81	81	78	78	78	78	81
Rain	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Lkly	Lkly	Ocnl	Lkly	Lkly	Chc	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	SChc	SChc	SChc	Chc	Chc	Chc	SChc	SChc	SChc
Date						05/01
Hour (CDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	70	68	68	68	67	66	66	65	65	65	64	65	65	66	67	68	70	72	73	73	73	72	71	70
Dewpoint (°F)	63	63	63	63	63	63	62	62	62	62	62	61	61	61	62	62	62	62	62	61	61	60	60	59
Heat Index (°F)
Surface Wind (mph)	7	7	8	8	7	7	7	7	8	8	8	8	9	10	10	11	13	14	14	14	14	13	11	11
Wind Dir	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	W
Gust																20	21	21	21	21	21	21	20
Sky Cover (%)	83	82	85	88	88	89	90	90	92	93	88	87	86	87	87	87	83	78	74	73	72	71	73	75
Precipitation Potential (%)	63	70	77	77	78	81	84	84	84	86	86	86	95	95	95	95	95	95	92	92	92	92	92	92
Relative Humidity (%)	78	84	84	84	87	90	87	90	90	90	93	87	87	84	84	81	76	71	68	66	66	66	68	68
Rain	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc

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