Point Forecast: 3 Miles NNE Vienna IL  37.44N 88.88W	Last Update: 11:06 pm CDT Sep 8, 2026

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Weather Elements Weather/Precipitation 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 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 Tue, Sep 8 202612am Wed, Sep 9 20261am Wed, Sep 9 20262am Wed, Sep 9 20263am Wed, Sep 9 20264am Wed, Sep 9 20265am Wed, Sep 9 20266am Wed, Sep 9 20267am Wed, Sep 9 20268am Wed, Sep 9 20269am Wed, Sep 9 202610am Wed, Sep 9 202611am Wed, Sep 9 202612pm Wed, Sep 9 20261pm Wed, Sep 9 20262pm Wed, Sep 9 20263pm Wed, Sep 9 20264pm Wed, Sep 9 20265pm Wed, Sep 9 20266pm Wed, Sep 9 20267pm Wed, Sep 9 20268pm Wed, Sep 9 20269pm Wed, Sep 9 202610pm Wed, Sep 9 202611pm Wed, Sep 9 202612am Thu, Sep 10 20261am Thu, Sep 10 20262am Thu, Sep 10 20263am Thu, Sep 10 20264am Thu, Sep 10 20265am Thu, Sep 10 20266am Thu, Sep 10 20267am Thu, Sep 10 20268am Thu, Sep 10 20269am Thu, Sep 10 202610am Thu, Sep 10 202611am Thu, Sep 10 202612pm Thu, Sep 10 20261pm Thu, Sep 10 20262pm Thu, Sep 10 20263pm Thu, Sep 10 20264pm Thu, Sep 10 20265pm Thu, Sep 10 20266pm Thu, Sep 10 20267pm Thu, Sep 10 20268pm Thu, Sep 10 20269pm Thu, Sep 10 202610pm Thu, Sep 10 202611pm Thu, Sep 10 202612am Fri, Sep 11 20261am Fri, Sep 11 20262am Fri, Sep 11 20263am Fri, Sep 11 20264am Fri, Sep 11 20265am Fri, Sep 11 20266am Fri, Sep 11 20267am Fri, Sep 11 20268am Fri, Sep 11 20269am Fri, Sep 11 202610am Fri, Sep 11 202611am Fri, Sep 11 202612pm Fri, Sep 11 20261pm Fri, Sep 11 20262pm Fri, Sep 11 20263pm Fri, Sep 11 20264pm Fri, Sep 11 20265pm Fri, Sep 11 20266pm Fri, Sep 11 20267pm Fri, Sep 11 20268pm Fri, Sep 11 20269pm Fri, Sep 11 202610pm Fri, Sep 11 202611pm Fri, Sep 11 202612am Sat, Sep 12 20261am Sat, Sep 12 20262am Sat, Sep 12 20263am Sat, Sep 12 20264am Sat, Sep 12 20265am Sat, Sep 12 20266am Sat, Sep 12 20267am Sat, Sep 12 20268am Sat, Sep 12 20269am Sat, Sep 12 202610am Sat, Sep 12 202611am Sat, Sep 12 202612pm Sat, Sep 12 20261pm Sat, Sep 12 20262pm Sat, Sep 12 20263pm Sat, Sep 12 20264pm Sat, Sep 12 20265pm Sat, Sep 12 20266pm Sat, Sep 12 20267pm Sat, Sep 12 20268pm Sat, Sep 12 20269pm Sat, Sep 12 202610pm Sat, Sep 12 202611pm Sat, Sep 12 202612am Sun, Sep 13 20261am Sun, Sep 13 20262am Sun, Sep 13 20263am Sun, Sep 13 20264am Sun, Sep 13 20265am Sun, Sep 13 20266am Sun, Sep 13 20267am Sun, Sep 13 20268am Sun, Sep 13 20269am Sun, Sep 13 202610am Sun, Sep 13 2026

Date	09/08	09/09
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)	75	76	77	77	77	76	76	76	75	78	82	87	90	93	95	96	97	96	94	90	85	81	80	78
Dewpoint (°F)	71	72	72	72	72	72	72	72	72	73	74	74	75	74	73	74	73	73	73	73	73	74	74	73
Heat Index (°F)	75	76	77	77	77	76	76	76	75	78	88	95	101	103	105	107	107	106	103	98	92	86	85	78
Surface Wind (mph)	2	3	3	5	6	6	6	7	7	8	10	11	10	10	9	9	8	7	7	6	3	3	3	3
Wind Dir	NE	SE	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW	SSW	SW	S	SE	S	S
Gust												18
Sky Cover (%)	8	9	10	7	9	8	8	3	5	11	4	4	10	18	23	11	20	22	24	26	28	38	54	57
Precipitation Potential (%)	0	0	0	0	1	1	1	1	1	1	1	1	1	2	7	11	20	22	24	27	33	32	38	39
Relative Humidity (%)	88	86	85	85	85	86	89	89	91	85	77	65	62	54	49	49	46	48	51	58	67	79	82	85
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc
Date		09/10
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)	78	77	77	76	76	74	73	73	72	74	77	80	82	84	85	85	84	83	82	80	78	76	74	73
Dewpoint (°F)	73	73	72	72	71	71	71	71	72	74	76	75	75	75	75	75	75	75	75	75	75	74	74	73
Heat Index (°F)	78	77	77	76	76						77	85	89	92	94	94	92	90	89	85	78	76
Surface Wind (mph)	3	2	2	2	2	2	2	2	2	2	2	3	3	5	5	6	6	6	5	3	2	1	0	0
Wind Dir	SSW	SSW	SSW	SW	WSW	WSW	WSW	WNW	WNW	NNW	WNW	WSW	W	W	W	WNW	NW	NNW	NNW	N	N	N	NNE	NNE
Gust
Sky Cover (%)	55	61	59	66	83	75	74	76	78	54	62	70	70	71	71	71	71	71	73	76	78	73	67	62
Precipitation Potential (%)	43	47	50	59	53	47	59	71	86	86	86	86	86	86	70	70	70	70	70	70	28	28	28	28
Relative Humidity (%)	85	87	85	87	85	90	93	93	100	100	97	85	79	74	72	72	74	77	79	85	91	94	100	100
Rain	Chc	Chc	Chc	Lkly	Chc	Chc	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc
Thunder	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--

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